Debian DLA-609-1 : linux security update

2016-09-06T00:00:00

Description

This update fixes the CVEs described below. CVE-2016-3857 Chiachih Wu reported two bugs in the ARM OABI compatibility layer that can be used by local users for privilege escalation. The OABI compatibility layer is enabled in all kernel flavours for armel and armhf. CVE-2016-4470 Wade Mealing of the Red Hat Product Security Team reported that in some error cases the KEYS subsystem will dereference an uninitialised pointer. A local user can use the keyctl() system call for denial of service (crash) or possibly for privilege escalation. CVE-2016-5696 Yue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V. Krishnamurthy of the University of California, Riverside; and Lisa M. Marvel of the United States Army Research Laboratory discovered that Linux's implementation of the TCP Challenge ACK feature results in a side channel that can be used to find TCP connections between specific IP addresses, and to inject messages into those connections. Where a service is made available through TCP, this may allow remote attackers to impersonate another connected user to the server or to impersonate the server to another connected user. In case the service uses a protocol with message authentication (e.g. TLS or SSH), this vulnerability only allows denial of service (connection failure). An attack takes tens of seconds, so short-lived TCP connections are also unlikely to be vulnerable. This may be mitigated by increasing the rate limit for TCP Challenge ACKs so that it is never exceeded: sysctl net.ipv4.tcp_challenge_ack_limit=1000000000 CVE-2016-5829 Several heap-based buffer overflow vulnerabilities were found in the hiddev driver, allowing a local user with access to a HID device to cause a denial of service or potentially escalate their privileges. CVE-2016-6136 Pengfei Wang discovered that the audit subsystem has a 'double-fetch' or 'TOCTTOU' bug in its handling of special characters in the name of an executable. Where audit logging of execve() is enabled, this allows a local user to generate misleading log messages. CVE-2016-6480 Pengfei Wang discovered that the aacraid driver for Adaptec RAID controllers has a 'double-fetch' or 'TOCTTOU' bug in its validation of 'FIB' messages passed through the ioctl() system call. This has no practical security impact in current Debian releases. CVE-2016-6828 Marco Grassi reported a 'use-after-free' bug in the TCP implementation, which can be triggered by local users. The security impact is unclear, but might include denial of service or privilege escalation. CVE-2016-7118 Marcin Szewczyk reported that calling fcntl() on a file descriptor for a directory on an aufs filesystem would result in am 'oops'. This allows local users to cause a denial of service. This is a Debian-specific regression introduced in version 3.2.81-1. For Debian 7 'Wheezy', these problems have been fixed in version 3.2.81-2. This version also fixes a build failure (bug #827561) for custom kernels with CONFIG_MODULES disabled, a regression in version 3.2.81-1. It also updates the PREEMPT_RT featureset to version 3.2.81-rt117. For Debian 8 'Jessie', CVE-2016-3857 has no impact; CVE-2016-4470 and CVE-2016-5829 were fixed in linux version 3.16.7-ckt25-2+deb8u3 or earlier; and the remaining issues are fixed in version 3.16.36-1+deb8u1. We recommend that you upgrade your linux packages. NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

{"id": "DEBIAN_DLA-609.NASL", "vendorId": null, "type": "nessus", "bulletinFamily": "scanner", "title": "Debian DLA-609-1 : linux security update", "description": "This update fixes the CVEs described below.\n\nCVE-2016-3857\n\nChiachih Wu reported two bugs in the ARM OABI compatibility layer that can be used by local users for privilege escalation. The OABI compatibility layer is enabled in all kernel flavours for armel and armhf.\n\nCVE-2016-4470\n\nWade Mealing of the Red Hat Product Security Team reported that in some error cases the KEYS subsystem will dereference an uninitialised pointer. A local user can use the keyctl() system call for denial of service (crash) or possibly for privilege escalation.\n\nCVE-2016-5696\n\nYue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\nKrishnamurthy of the University of California, Riverside; and Lisa M.\nMarvel of the United States Army Research Laboratory discovered that Linux's implementation of the TCP Challenge ACK feature results in a side channel that can be used to find TCP connections between specific IP addresses, and to inject messages into those connections.\n\nWhere a service is made available through TCP, this may allow remote attackers to impersonate another connected user to the server or to impersonate the server to another connected user. In case the service uses a protocol with message authentication (e.g. TLS or SSH), this vulnerability only allows denial of service (connection failure). An attack takes tens of seconds, so short-lived TCP connections are also unlikely to be vulnerable.\n\nThis may be mitigated by increasing the rate limit for TCP Challenge ACKs so that it is never exceeded: sysctl net.ipv4.tcp_challenge_ack_limit=1000000000\n\nCVE-2016-5829\n\nSeveral heap-based buffer overflow vulnerabilities were found in the hiddev driver, allowing a local user with access to a HID device to cause a denial of service or potentially escalate their privileges.\n\nCVE-2016-6136\n\nPengfei Wang discovered that the audit subsystem has a 'double-fetch' or 'TOCTTOU' bug in its handling of special characters in the name of an executable. Where audit logging of execve() is enabled, this allows a local user to generate misleading log messages.\n\nCVE-2016-6480\n\nPengfei Wang discovered that the aacraid driver for Adaptec RAID controllers has a 'double-fetch' or 'TOCTTOU' bug in its validation of 'FIB' messages passed through the ioctl() system call. This has no practical security impact in current Debian releases.\n\nCVE-2016-6828\n\nMarco Grassi reported a 'use-after-free' bug in the TCP implementation, which can be triggered by local users. The security impact is unclear, but might include denial of service or privilege escalation.\n\nCVE-2016-7118\n\nMarcin Szewczyk reported that calling fcntl() on a file descriptor for a directory on an aufs filesystem would result in am 'oops'. This allows local users to cause a denial of service. This is a Debian-specific regression introduced in version 3.2.81-1.\n\nFor Debian 7 'Wheezy', these problems have been fixed in version 3.2.81-2. This version also fixes a build failure (bug #827561) for custom kernels with CONFIG_MODULES disabled, a regression in version 3.2.81-1. It also updates the PREEMPT_RT featureset to version 3.2.81-rt117.\n\nFor Debian 8 'Jessie', CVE-2016-3857 has no impact; CVE-2016-4470 and CVE-2016-5829 were fixed in linux version 3.16.7-ckt25-2+deb8u3 or earlier; and the remaining issues are fixed in version 3.16.36-1+deb8u1.\n\nWe recommend that you upgrade your linux packages.\n\nNOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.", "published": "2016-09-06T00:00:00", "modified": "2021-01-11T00:00:00", "epss": [], "cvss": {"score": 0.0, "vector": "NONE"}, "cvss2": {}, "cvss3": {}, "href": "https://www.tenable.com/plugins/nessus/93321", "reporter": "This script is Copyright (C) 2016-2021 and is owned by Tenable, Inc. or an Affiliate thereof.", "references": ["http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6136", "https://lists.debian.org/debian-lts-announce/2016/09/msg00002.html", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-4470", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6480", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5829", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-3857", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-6828", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-5696", "http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-7118"], "cvelist": ["CVE-2016-3857", "CVE-2016-4470", "CVE-2016-5696", "CVE-2016-5829", "CVE-2016-6136", "CVE-2016-6480", "CVE-2016-6828", "CVE-2016-7118"], "immutableFields": [], "lastseen": "2023-05-19T14:10:05", "viewCount": 19, "enchantments": {"dependencies": {"references": [{"type": "amazon", "idList": ["ALAS-2016-726", "ALAS-2016-740"]}, {"type": "android", "idList": ["ANDROID:CVE-2016-3857", "ANDROID:CVE-2016-4470", "ANDROID:CVE-2016-6828"]}, {"type": "androidsecurity", "idList": ["ANDROID:2016-08-01", "ANDROID:2016-09-01", "ANDROID:2016-10-01", "ANDROID:2016-11-01"]}, {"type": "archlinux", "idList": ["ASA-201608-12", "ASA-201608-13", "ASA-201608-15", "ASA-201608-17"]}, {"type": "arista", "idList": ["ARISTA:0023"]}, {"type": "centos", "idList": ["CESA-2016:1539", "CESA-2016:1633", "CESA-2016:1664", "CESA-2016:2006", "CESA-2016:2574", "CESA-2017:0036", "CESA-2017:0086", "CESA-2017:0307", "CESA-2017:0817"]}, {"type": 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{"osv": [{"lastseen": "2022-08-05T05:19:44", "description": "\nThis update fixes the CVEs described below.\n\n\n* [CVE-2016-3857](https://security-tracker.debian.org/tracker/CVE-2016-3857)\nChiachih Wu reported two bugs in the ARM OABI compatibility layer\n that can be used by local users for privilege escalation. The\n OABI compatibility layer is enabled in all kernel flavours for\n armel and armhf.\n* [CVE-2016-4470](https://security-tracker.debian.org/tracker/CVE-2016-4470)\nWade Mealing of the Red Hat Product Security Team reported that\n in some error cases the KEYS subsystem will dereference an\n uninitialised pointer. A local user can use the keyctl()\n system call for denial of service (crash) or possibly for\n privilege escalation.\n* [CVE-2016-5696](https://security-tracker.debian.org/tracker/CVE-2016-5696)\nYue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\n Krishnamurthy of the University of California, Riverside; and Lisa\n M. Marvel of the United States Army Research Laboratory discovered\n that Linux's implementation of the TCP Challenge ACK feature\n results in a side channel that can be used to find TCP connections\n between specific IP addresses, and to inject messages into those\n connections.\n\n\nWhere a service is made available through TCP, this may allow\n remote attackers to impersonate another connected user to the\n server or to impersonate the server to another connected user. In\n case the service uses a protocol with message authentication\n (e.g. TLS or SSH), this vulnerability only allows denial of\n service (connection failure). An attack takes tens of seconds, so\n short-lived TCP connections are also unlikely to be vulnerable.\n\n\nThis may be mitigated by increasing the rate limit for TCP\n Challenge ACKs so that it is never exceeded:\n sysctl net.ipv4.tcp\\_challenge\\_ack\\_limit=1000000000\n* [CVE-2016-5829](https://security-tracker.debian.org/tracker/CVE-2016-5829)\nSeveral heap-based buffer overflow vulnerabilities were found in\n the hiddev driver, allowing a local user with access to a HID\n device to cause a denial of service or potentially escalate their\n privileges.\n* [CVE-2016-6136](https://security-tracker.debian.org/tracker/CVE-2016-6136)\nPengfei Wang discovered that the audit subsystem has a\n 'double-fetch' or TOCTTOU bug in its handling of special\n characters in the name of an executable. Where audit logging of\n execve() is enabled, this allows a local user to generate\n misleading log messages.\n* [CVE-2016-6480](https://security-tracker.debian.org/tracker/CVE-2016-6480)\nPengfei Wang discovered that the aacraid driver for Adaptec RAID\n controllers has a 'double-fetch' or TOCTTOU bug in its\n validation of FIB messages passed through the ioctl() system\n call. This has no practical security impact in current Debian\n releases.\n* [CVE-2016-6828](https://security-tracker.debian.org/tracker/CVE-2016-6828)\nMarco Grassi reported a 'use-after-free' bug in the TCP\n implementation, which can be triggered by local users. The\n security impact is unclear, but might include denial of service or\n privilege escalation.\n* [CVE-2016-7118](https://security-tracker.debian.org/tracker/CVE-2016-7118)\nMarcin Szewczyk reported that calling fcntl() on a file descriptor\n for a directory on an aufs filesystem would result in am oops.\n This allows local users to cause a denial of service. This is a\n Debian-specific regression introduced in version 3.2.81-1.\n\n\nFor Debian 7 Wheezy, these problems have been fixed in version\n3.2.81-2. This version also fixes a build failure (bug #827561) for\ncustom kernels with CONFIG\\_MODULES disabled, a regression in version\n3.2.81-1. It also updates the PREEMPT\\_RT featureset to version\n3.2.81-rt117.\n\n\nFor Debian 8 Jessie, [CVE-2016-3857](https://security-tracker.debian.org/tracker/CVE-2016-3857) has no impact; [CVE-2016-4470](https://security-tracker.debian.org/tracker/CVE-2016-4470) and\n[CVE-2016-5829](https://security-tracker.debian.org/tracker/CVE-2016-5829) were fixed in linux version 3.16.7-ckt25-2+deb8u3 or\nearlier; and the remaining issues are fixed in version 3.16.36-1+deb8u1.\n\n\nWe recommend that you upgrade your linux packages.\n\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: <https://wiki.debian.org/LTS>\n\n\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "baseScore": 7.8, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "userInteraction": "REQUIRED", "version": "3.0"}, "impactScore": 5.9}, "published": "2016-09-03T00:00:00", "type": "osv", "title": "linux - security update", "bulletinFamily": "software", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-6480", "CVE-2016-7118", "CVE-2016-5696", "CVE-2016-3857", "CVE-2016-6136", "CVE-2016-6828", "CVE-2016-5829", "CVE-2016-4470"], "modified": "2022-08-05T05:19:42", "id": "OSV:DLA-609-1", "href": "https://osv.dev/vulnerability/DLA-609-1", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2022-08-10T07:11:37", "description": "\nSeveral vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\n\n* [CVE-2016-5696](https://security-tracker.debian.org/tracker/CVE-2016-5696)\nYue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\n Krishnamurthy of the University of California, Riverside; and Lisa\n M. Marvel of the United States Army Research Laboratory discovered\n that Linux's implementation of the TCP Challenge ACK feature\n results in a side channel that can be used to find TCP connections\n between specific IP addresses, and to inject messages into those\n connections.\n\n\nWhere a service is made available through TCP, this may allow\n remote attackers to impersonate another connected user to the\n server or to impersonate the server to another connected user. In\n case the service uses a protocol with message authentication\n (e.g. TLS or SSH), this vulnerability only allows denial of\n service (connection failure). An attack takes tens of seconds, so\n short-lived TCP connections are also unlikely to be vulnerable.\n\n\nThis may be mitigated by increasing the rate limit for TCP\n Challenge ACKs so that it is never exceeded:\n sysctl net.ipv4.tcp\\_challenge\\_ack\\_limit=1000000000\n* [CVE-2016-6136](https://security-tracker.debian.org/tracker/CVE-2016-6136)\nPengfei Wang discovered that the audit subsystem has a\n 'double-fetch' or TOCTTOU bug in its handling of special\n characters in the name of an executable. Where audit logging of\n execve() is enabled, this allows a local user to generate\n misleading log messages.\n* [CVE-2016-6480](https://security-tracker.debian.org/tracker/CVE-2016-6480)\nPengfei Wang discovered that the aacraid driver for Adaptec RAID\n controllers has a 'double-fetch' or TOCTTOU bug in its\n validation of FIB messages passed through the ioctl() system\n call. This has no practical security impact in current Debian\n releases.\n* [CVE-2016-6828](https://security-tracker.debian.org/tracker/CVE-2016-6828)\nMarco Grassi reported a 'use-after-free' bug in the TCP\n implementation, which can be triggered by local users. The\n security impact is unclear, but might include denial of service or\n privilege escalation.\n\n\nFor the stable distribution (jessie), these problems have been fixed in\nversion 3.16.36-1+deb8u1. In addition, this update contains several\nchanges originally targeted for the upcoming jessie point release.\n\n\nWe recommend that you upgrade your linux packages.\n\n\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 3.6}, "published": "2016-09-04T00:00:00", "type": "osv", "title": "linux - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-6480", "CVE-2016-5696", "CVE-2016-6136", "CVE-2016-6828"], "modified": "2022-08-10T07:11:33", "id": "OSV:DSA-3659-1", "href": "https://osv.dev/vulnerability/DSA-3659-1", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}], "debian": [{"lastseen": "2022-11-04T23:25:53", "description": "Package : linux\nVersion : 3.2.81-2\nCVE ID : CVE-2016-3857 CVE-2016-4470 CVE-2016-5696 CVE-2016-5829 \n CVE-2016-6136 CVE-2016-6480 CVE-2016-6828 CVE-2016-7118\nDebian Bug : 827561\n\nThis update fixes the CVEs described below.\n\nCVE-2016-3857\n\n Chiachih Wu reported two bugs in the ARM OABI compatibility layer\n that can be used by local users for privilege escalation. The\n OABI compatibility layer is enabled in all kernel flavours for\n armel and armhf.\n\nCVE-2016-4470\n\n Wade Mealing of the Red Hat Product Security Team reported that\n in some error cases the KEYS subsystem will dereference an\n uninitialised pointer. A local user can use the keyctl()\n system call for denial of service (crash) or possibly for\n privilege escalation.\n\nCVE-2016-5696\n\n Yue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\n Krishnamurthy of the University of California, Riverside; and Lisa\n M. Marvel of the United States Army Research Laboratory discovered\n that Linux's implementation of the TCP Challenge ACK feature\n results in a side channel that can be used to find TCP connections\n between specific IP addresses, and to inject messages into those\n connections.\n\n Where a service is made available through TCP, this may allow\n remote attackers to impersonate another connected user to the\n server or to impersonate the server to another connected user. In\n case the service uses a protocol with message authentication\n (e.g. TLS or SSH), this vulnerability only allows denial of\n service (connection failure). An attack takes tens of seconds, so\n short-lived TCP connections are also unlikely to be vulnerable.\n\n This may be mitigated by increasing the rate limit for TCP\n Challenge ACKs so that it is never exceeded:\n sysctl net.ipv4.tcp_challenge_ack_limit=1000000000\n\nCVE-2016-5829\n\n Several heap-based buffer overflow vulnerabilities were found in\n the hiddev driver, allowing a local user with access to a HID\n device to cause a denial of service or potentially escalate their\n privileges.\n\nCVE-2016-6136\n\n Pengfei Wang discovered that the audit subsystem has a\n 'double-fetch' or 'TOCTTOU' bug in its handling of special\n characters in the name of an executable. Where audit logging of\n execve() is enabled, this allows a local user to generate\n misleading log messages.\n\nCVE-2016-6480\n\n Pengfei Wang discovered that the aacraid driver for Adaptec RAID\n controllers has a 'double-fetch' or 'TOCTTOU' bug in its\n validation of 'FIB' messages passed through the ioctl() system\n call. This has no practical security impact in current Debian\n releases.\n\nCVE-2016-6828\n\n Marco Grassi reported a 'use-after-free' bug in the TCP\n implementation, which can be triggered by local users. The\n security impact is unclear, but might include denial of service or\n privilege escalation.\n\nCVE-2016-7118\n\n Marcin Szewczyk reported that calling fcntl() on a file descriptor\n for a directory on an aufs filesystem would result in am 'oops'.\n This allows local users to cause a denial of service. This is a\n Debian-specific regression introduced in version 3.2.81-1.\n\nFor Debian 7 "Wheezy", these problems have been fixed in version\n3.2.81-2. This version also fixes a build failure (bug #827561) for\ncustom kernels with CONFIG_MODULES disabled, a regression in version\n3.2.81-1. It also updates the PREEMPT_RT featureset to version\n3.2.81-rt117.\n\nFor Debian 8 "Jessie", CVE-2016-3857 has no impact; CVE-2016-4470 and\nCVE-2016-5829 were fixed in linux version 3.16.7-ckt25-2+deb8u3 or\nearlier; and the remaining issues are fixed in version 3.16.36-1+deb8u1.\n\nWe recommend that you upgrade your linux packages.\n\nFurther information about Debian LTS security advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://wiki.debian.org/LTS\n\n-- \nBen Hutchings - Debian developer, member of kernel, installer and LTS teamsAttachment:\nsignature.asc\nDescription: This is a digitally signed message part\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "baseScore": 7.8, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "REQUIRED"}, "impactScore": 5.9}, "published": "2016-09-03T11:53:47", "type": "debian", "title": "[SECURITY] [DLA 609-1] linux security update", "bulletinFamily": "unix", "cvss2": {"severity": "HIGH", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": true, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "COMPLETE", "availabilityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "baseScore": 9.3, "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 10.0, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-3857", "CVE-2016-4470", "CVE-2016-5696", "CVE-2016-5829", "CVE-2016-6136", "CVE-2016-6480", "CVE-2016-6828", "CVE-2016-7118"], "modified": "2016-09-03T11:53:47", "id": "DEBIAN:DLA-609-1:1025A", "href": "https://lists.debian.org/debian-lts-announce/2016/09/msg00002.html", "cvss": {"score": 9.3, "vector": "AV:N/AC:M/Au:N/C:C/I:C/A:C"}}, {"lastseen": "2021-10-21T22:24:33", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3659-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nSeptember 04, 2016 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : linux\nCVE ID : CVE-2016-5696 CVE-2016-6136 CVE-2016-6480 CVE-2016-6828\n\nSeveral vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\nCVE-2016-5696\n\n Yue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\n Krishnamurthy of the University of California, Riverside; and Lisa\n M. Marvel of the United States Army Research Laboratory discovered\n that Linux's implementation of the TCP Challenge ACK feature\n results in a side channel that can be used to find TCP connections\n between specific IP addresses, and to inject messages into those\n connections.\n\n Where a service is made available through TCP, this may allow\n remote attackers to impersonate another connected user to the\n server or to impersonate the server to another connected user. In\n case the service uses a protocol with message authentication\n (e.g. TLS or SSH), this vulnerability only allows denial of\n service (connection failure). An attack takes tens of seconds, so\n short-lived TCP connections are also unlikely to be vulnerable.\n\n This may be mitigated by increasing the rate limit for TCP\n Challenge ACKs so that it is never exceeded:\n sysctl net.ipv4.tcp_challenge_ack_limit=1000000000\n\nCVE-2016-6136\n\n Pengfei Wang discovered that the audit subsystem has a\n 'double-fetch' or 'TOCTTOU' bug in its handling of special\n characters in the name of an executable. Where audit logging of\n execve() is enabled, this allows a local user to generate\n misleading log messages.\n\nCVE-2016-6480\n\n Pengfei Wang discovered that the aacraid driver for Adaptec RAID\n controllers has a 'double-fetch' or 'TOCTTOU' bug in its\n validation of 'FIB' messages passed through the ioctl() system\n call. This has no practical security impact in current Debian\n releases.\n\nCVE-2016-6828\n\n Marco Grassi reported a 'use-after-free' bug in the TCP\n implementation, which can be triggered by local users. The\n security impact is unclear, but might include denial of service or\n privilege escalation.\n\nFor the stable distribution (jessie), these problems have been fixed in\nversion 3.16.36-1+deb8u1. In addition, this update contains several\nchanges originally targeted for the upcoming jessie point release.\n\nWe recommend that you upgrade your linux packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 5.5, "privilegesRequired": "LOW", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 3.6}, "published": "2016-09-04T17:24:55", "type": "debian", "title": "[SECURITY] [DSA 3659-1] linux security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696", "CVE-2016-6136", "CVE-2016-6480", "CVE-2016-6828"], "modified": "2016-09-04T17:24:55", "id": "DEBIAN:DSA-3659-1:5EA31", "href": "https://lists.debian.org/debian-security-announce/2016/msg00238.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}, {"lastseen": "2023-05-02T16:03:56", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-3659-1 security@debian.org\nhttps://www.debian.org/security/ Salvatore Bonaccorso\nSeptember 04, 2016 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : linux\nCVE ID : CVE-2016-5696 CVE-2016-6136 CVE-2016-6480 CVE-2016-6828\n\nSeveral vulnerabilities have been discovered in the Linux kernel that\nmay lead to a privilege escalation, denial of service or have other\nimpacts.\n\nCVE-2016-5696\n\n Yue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\n Krishnamurthy of the University of California, Riverside; and Lisa\n M. Marvel of the United States Army Research Laboratory discovered\n that Linux's implementation of the TCP Challenge ACK feature\n results in a side channel that can be used to find TCP connections\n between specific IP addresses, and to inject messages into those\n connections.\n\n Where a service is made available through TCP, this may allow\n remote attackers to impersonate another connected user to the\n server or to impersonate the server to another connected user. In\n case the service uses a protocol with message authentication\n (e.g. TLS or SSH), this vulnerability only allows denial of\n service (connection failure). An attack takes tens of seconds, so\n short-lived TCP connections are also unlikely to be vulnerable.\n\n This may be mitigated by increasing the rate limit for TCP\n Challenge ACKs so that it is never exceeded:\n sysctl net.ipv4.tcp_challenge_ack_limit=1000000000\n\nCVE-2016-6136\n\n Pengfei Wang discovered that the audit subsystem has a\n 'double-fetch' or 'TOCTTOU' bug in its handling of special\n characters in the name of an executable. Where audit logging of\n execve() is enabled, this allows a local user to generate\n misleading log messages.\n\nCVE-2016-6480\n\n Pengfei Wang discovered that the aacraid driver for Adaptec RAID\n controllers has a 'double-fetch' or 'TOCTTOU' bug in its\n validation of 'FIB' messages passed through the ioctl() system\n call. This has no practical security impact in current Debian\n releases.\n\nCVE-2016-6828\n\n Marco Grassi reported a 'use-after-free' bug in the TCP\n implementation, which can be triggered by local users. The\n security impact is unclear, but might include denial of service or\n privilege escalation.\n\nFor the stable distribution (jessie), these problems have been fixed in\nversion 3.16.36-1+deb8u1. In addition, this update contains several\nchanges originally targeted for the upcoming jessie point release.\n\nWe recommend that you upgrade your linux packages.\n\nFurther information about Debian Security Advisories, how to apply\nthese updates to your system and frequently asked questions can be\nfound at: https://www.debian.org/security/\n\nMailing list: debian-security-announce@lists.debian.org", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "baseScore": 5.5, "vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2016-09-04T17:24:55", "type": "debian", "title": "[SECURITY] [DSA 3659-1] linux security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.6, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "MEDIUM", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 5.8, "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2016-5696", "CVE-2016-6136", "CVE-2016-6480", "CVE-2016-6828"], "modified": "2016-09-04T17:24:55", "id": "DEBIAN:DSA-3659-1:3F508", "href": "https://lists.debian.org/debian-security-announce/2016/msg00238.html", "cvss": {"score": 5.8, "vector": "AV:N/AC:M/Au:N/C:N/I:P/A:P"}}], "openvas": [{"lastseen": "2019-05-29T18:35:16", "description": "Several vulnerabilities have been\n discovered in the Linux kernel that may lead to a privilege escalation,\n denial of service or have other impacts.\n\nCVE-2016-5696\nYue Cao, Zhiyun Qian, Zhongjie Wang, Tuan Dao, and Srikanth V.\nKrishnamurthy of the University of California, Riverside, and Lisa\nM. Marvel of the United States Army Research Laboratory discovered\nthat Linux", "cvss3": {}, "published": "2016-09-04T00:00:00", "type": "openvas", "title": "Debian Security Advisory DSA 3659-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2016-6480", "CVE-2016-5696", "CVE-2016-6136", "CVE-2016-6828"], "modified": "2019-03-18T00:00:00", "id": "OPENVAS:1361412562310703659", "href": "http://plugins.openvas.org/nasl.php?oid=1361412562310703659", "sourceData": "# OpenVAS Vulnerability Test\n# $Id: deb_3659.nasl 14279 2019-03-18 14:48:34Z cfischer $\n# Auto-generated from advisory DSA 3659-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2016 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n#\n\nif(description)\n{\n script_oid(\"1.3.6.1.4.1.25623.1.0.703659\");\n script_version(\"$Revision: 14279 $\");\n script_cve_id(\"CVE-2016-5696\", \"CVE-2016-6136\", \"CVE-2016-6480\", \"CVE-2016-6828\");\n script_name(\"Debian Security Advisory DSA 3659-1 (linux - security update)\");\n script_tag(name:\"last_modification\", value:\"$Date: 2019-03-18 15:48:34 +0100 (Mon, 18 Mar 2019) $\");\n script_tag(name:\"creation_date\", value:\"2016-09-04 00:00:00 +0200 (Sun, 04 Sep 2016)\");\n script_tag(name:\"cvss_base\", value:\"5.8\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:N/I:P/A:P\");\n script_tag(name:\"solution_type\", value:\"VendorFix\");\n script_tag(name:\"qod_type\", value:\"package\");\n\n script_xref(name:\"URL\", value:\"http://www.debian.org/security/2016/dsa-3659.html\");\n\n script_category(ACT_GATHER_INFO);\n script_copyright(\"Copyright (c) 2016 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\", re:\"ssh/login/release=DEB8\");\n script_tag(name:\"affected\", value:\"linux on Debian Linux\");\n script_tag(name:\"solution\", value:\"For the stable distribution (jessie),\n these problems have been fixed in version 3.16.36-1+deb8u1. 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Marvel of the United States Army Research Laboratory discovered\nthat Linux", "cvss3": {}, "published": "2016-09-04T00:00:00", "type": "openvas", "title": "Debian Security Advisory DSA 3659-1 (linux - security update)", "bulletinFamily": "scanner", "cvss2": {}, "cvelist": ["CVE-2016-6480", "CVE-2016-5696", "CVE-2016-6136", "CVE-2016-6828"], "modified": "2017-07-07T00:00:00", "id": "OPENVAS:703659", "href": "http://plugins.openvas.org/nasl.php?oid=703659", "sourceData": "# OpenVAS Vulnerability Test\n# $Id: deb_3659.nasl 6608 2017-07-07 12:05:05Z cfischer $\n# Auto-generated from advisory DSA 3659-1 using nvtgen 1.0\n# Script version: 1.0\n#\n# Author:\n# Greenbone Networks\n#\n# Copyright:\n# Copyright (c) 2016 Greenbone Networks GmbH http://greenbone.net\n# Text descriptions are largely excerpted from the referenced\n# advisory, and are Copyright (c) the respective author(s)\n#\n# This program is free software; you can redistribute it and/or\n# modify it under the terms of the GNU General Public License\n# as published by the Free Software Foundation; either version 2\n# of the License, or (at your option) any later version.\n#\n# This program is distributed in the hope that it will be useful,\n# but WITHOUT ANY WARRANTY; without even the implied warranty of\n# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n# GNU General Public License for more details.\n#\n# You should have received a copy of the GNU General Public License\n# along with this program; if not, write to the Free Software\n# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.\n#\n\n\nif(description)\n{\n script_id(703659);\n script_version(\"$Revision: 6608 $\");\n script_cve_id(\"CVE-2016-5696\", \"CVE-2016-6136\", \"CVE-2016-6480\", \"CVE-2016-6828\");\n script_name(\"Debian Security Advisory DSA 3659-1 (linux - security update)\");\n script_tag(name: \"last_modification\", value: \"$Date: 2017-07-07 14:05:05 +0200 (Fri, 07 Jul 2017) $\");\n script_tag(name: \"creation_date\", value: \"2016-09-04 00:00:00 +0200 (Sun, 04 Sep 2016)\");\n script_tag(name:\"cvss_base\", value:\"5.8\");\n script_tag(name:\"cvss_base_vector\", value:\"AV:N/AC:M/Au:N/C:N/I:P/A:P\");\n script_tag(name: \"solution_type\", value: \"VendorFix\");\n script_tag(name: \"qod_type\", value: \"package\");\n\n script_xref(name: \"URL\", value: \"http://www.debian.org/security/2016/dsa-3659.html\");\n\n\n script_category(ACT_GATHER_INFO);\n\n script_copyright(\"Copyright (c) 2016 Greenbone Networks GmbH http://greenbone.net\");\n script_family(\"Debian Local Security Checks\");\n script_dependencies(\"gather-package-list.nasl\");\n script_mandatory_keys(\"ssh/login/debian_linux\", \"ssh/login/packages\");\n script_tag(name: \"affected\", value: \"linux on Debian Linux\");\n script_tag(name: \"insight\", value: \"The Linux kernel is the core of the Linux operating system.\");\n script_tag(name: \"solution\", value: \"For the stable distribution (jessie),\n these problems have been fixed in version 3.16.36-1+deb8u1. 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A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.\n\nThe kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es) :\n\nIt was found that the RFC 5961 challenge ACK rate limiting as implemented in the Linux kernel's networking subsystem allowed an off-path attacker to leak certain information about a given connection by creating congestion on the global challenge ACK rate limit counter and then measuring the changes by probing packets. An off-path attacker could use this flaw to either terminate TCP connection and/or inject payload into non-secured TCP connection between two endpoints on the network. 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Debian DLA-609-1 : linux security update

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