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Old names\n will continue working for a while, then will be removed in some future\n version.\n * Make ZNC request server-time from server when available\n * Add "AuthOnlyViaModule" global/user setting\n * Stop defaulting real name to "Got ZNC?"\n * Add SNI SSL client support\n * Add support for CIDR notation in allowed hosts list and in trusted\n proxy list\n * Add network-specific config for cert validation in addition to\n user-supplied fingerprints: TrustAllCerts, defaults to false, and\n TrustPKI, defaults to true.\n * Add /attach command for symmetry with /detach. Unlike /join it allows\n wildcards.\n - Update to version 1.6.6:\n * Fix use-after-free in znc --makepem. It was broken for a long time,\n but started segfaulting only now. This is a useability fix, not a\n security fix, because self-signed (or signed by a CA) certificates can\n be created without using --makepem, and then combined into znc.pem.\n\n", "cvss3": {}, "published": "2018-08-07T15:09:28", "type": "suse", "title": "Security update for znc (moderate)", "bulletinFamily": "unix", "cvss2": {}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-08-07T15:09:28", "id": "OPENSUSE-SU-2018:2231-1", "href": "http://lists.opensuse.org/opensuse-security-announce/2018-08/msg00019.html", "cvss": {"score": 0.0, "vector": "NONE"}}], "archlinux": [{"lastseen": "2023-12-06T15:36:13", "description": "Arch Linux Security Advisory ASA-201807-11\n==========================================\n\nSeverity: High\nDate : 2018-07-19\nCVE-ID : CVE-2018-14055 CVE-2018-14056\nPackage : znc\nType : multiple issues\nRemote : Yes\nLink : https://security.archlinux.org/AVG-737\n\nSummary\n=======\n\nThe package znc before version 1.7.1-1 is vulnerable to multiple issues\nincluding privilege escalation and directory traversal.\n\nResolution\n==========\n\nUpgrade to 1.7.1-1.\n\n# pacman -Syu \"znc>=1.7.1-1\"\n\nThe problems have been fixed upstream in version 1.7.1.\n\nWorkaround\n==========\n\nNone.\n\nDescription\n===========\n\n- CVE-2018-14055 (privilege escalation)\n\nZNC before 1.7.1-rc1 does not properly validate untrusted lines coming\nfrom the network, allowing a non-admin user to escalate privilege,\ninject rogue values into znc.conf, and gain shell access.\n\n- CVE-2018-14056 (directory traversal)\n\nZNC before 1.7.1-rc1 is prone to a path traversal flaw. A non-admin\nuser can set web skin name to ../ to access files outside of the\nintended skins directories and to cause DoS.\n\nImpact\n======\n\nAn authenticated non-admin user is able to read arbitrary files, crash\nthe application, escalate privileges, or execute arbitrary commands on\nthe host.\n\nReferences\n==========\n\nhttps://wiki.znc.in/ChangeLog/1.7.1\nhttps://github.com/znc/znc/commit/a7bfbd93812950b7444841431e8e297e62cb524e\nhttps://github.com/znc/znc/commit/d22fef8620cdd87490754f607e7153979731c69d\nhttps://marc.info/?l=oss-security&m=153190583604081\nhttps://github.com/znc/znc/commit/a4a5aeeb17d32937d8c7d743dae9a4cc755ce773\nhttps://marc.info/?l=oss-security&m=153190593904101\nhttps://security.archlinux.org/CVE-2018-14055\nhttps://security.archlinux.org/CVE-2018-14056", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-19T00:00:00", "type": "archlinux", "title": "[ASA-201807-11] znc: multiple issues", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-07-19T00:00:00", "id": "ASA-201807-11", "href": "https://security.archlinux.org/ASA-201807-11", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "freebsd": [{"lastseen": "2023-12-06T15:47:19", "description": "\n\nMitre reports:\n\nZNC before 1.7.1-rc1 does not properly validate untrusted lines\n\t coming from the network, allowing a non-admin user to escalate his\n\t privilege and inject rogue values into znc.conf.\n\n\nZNC before 1.7.1-rc1 is prone to a path traversal flaw via ../ in\n\t a web skin name to access files outside of the intended skins\n\t directories.\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-14T00:00:00", "type": "freebsd", "title": "znc -- multiple vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-07-14T00:00:00", "id": "C6D1A8A6-8A91-11E8-BE4D-005056925DB4", "href": "https://vuxml.freebsd.org/freebsd/c6d1a8a6-8a91-11e8-be4d-005056925db4.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "gentoo": [{"lastseen": "2023-12-06T15:51:35", "description": "### Background\n\nZNC is an advanced IRC bouncer.\n\n### Description\n\nMultiple vulnerabilities have been discovered in ZNC. Please review the CVE identifiers referenced below for details. \n\n### Impact\n\nA remote attacker could read arbitary files and esclate privileges.\n\n### Workaround\n\nThere is no known workaround at this time.\n\n### Resolution\n\nAll ZNC users should upgrade to the latest version:\n \n \n # emerge --sync\n # emerge --ask --oneshot --verbose \">=net-irc/znc-1.7.1\"", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-29T00:00:00", "type": "gentoo", "title": "ZNC: Multiple Vulnerabilities", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-07-29T00:00:00", "id": "GLSA-201807-03", "href": "https://security.gentoo.org/glsa/201807-03", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "debian": [{"lastseen": "2023-12-07T11:11:57", "description": "- -------------------------------------------------------------------------\nDebian Security Advisory DSA-4252-1 security@debian.org\nhttps://www.debian.org/security/ Moritz Muehlenhoff\nJuly 18, 2018 https://www.debian.org/security/faq\n- -------------------------------------------------------------------------\n\nPackage : znc\nCVE ID : CVE-2018-14055 CVE-2018-14056\n\nJeriko One discovered two vulnerabilities in the ZNC IRC bouncer which\ncould result in privilege escalation or denial of service.\n\nFor the stable distribution (stretch), these problems have been fixed in\nversion 1.6.5-1+deb9u1.\n\nWe recommend that you upgrade your znc packages.\n\nFor the detailed security status of znc please refer to\nits security tracker page at:\nhttps://security-tracker.debian.org/tracker/znc\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": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-18T21:22:44", "type": "debian", "title": "[SECURITY] [DSA 4252-1] znc security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-07-18T21:22:44", "id": "DEBIAN:DSA-4252-1:15759", "href": "https://lists.debian.org/debian-security-announce/2018/msg00181.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}, {"lastseen": "2023-12-06T18:39:05", "description": "Package : znc\nVersion : 1.4-2+deb8u1\nCVE IDs : CVE-2018-14055 CVE-2018-14056 \nDebian Bugs : #903787 #903788\n\nIt was discovered that there were two issues in znc, a modular IRC\nbouncer:\n\n * There was insufficient validation of lines coming from the network\n allowing a non-admin user to escalate his privilege and inject rogue\n values into znc.conf. (CVE-2018-14055)\n\n * A path traversal vulnerability (via "../" being embedded in a web skin\n name) to access files outside of the allowed directory.\n (CVE-2018-14056)\n\nFor Debian 8 "Jessie", these issues have been fixed in znc version\n1.4-2+deb8u1.\n\nWe recommend that you upgrade your znc packages.\n\n\nRegards,\n\n- -- \n ,''`.\n : :' : Chris Lamb\n `. `'` lamby@debian.org / chris-lamb.co.uk\n `-", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-15T12:26:57", "type": "debian", "title": "[SECURITY] [DLA-1427-1] znc security update", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2018-07-15T12:26:57", "id": "DEBIAN:DLA-1427-1:F399F", "href": "https://lists.debian.org/debian-lts-announce/2018/07/msg00017.html", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "osv": [{"lastseen": "2023-06-28T06:20:44", "description": "\nIt was discovered that there were two issues in znc, a modular IRC\nbouncer:\n\n\n* There was insufficient validation of lines coming from the network\n allowing a non-admin user to escalate his privilege and inject rogue\n values into znc.conf. ([CVE-2018-14055](https://security-tracker.debian.org/tracker/CVE-2018-14055))\n* A path traversal vulnerability (via \"../\" being embedded in a web skin\n name) to access files outside of the allowed directory.\n ([CVE-2018-14056](https://security-tracker.debian.org/tracker/CVE-2018-14056))\n\n\nFor Debian 8 Jessie, these issues have been fixed in znc version\n1.4-2+deb8u1.\n\n\nWe recommend that you upgrade your znc packages.\n\n\n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 6.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2018-07-15T00:00:00", "type": "osv", "title": "znc - security update", "bulletinFamily": "software", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056"], "modified": "2023-06-28T06:20:41", "id": "OSV:DLA-1427-1", "href": "https://osv.dev/vulnerability/DLA-1427-1", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:P/I:N/A:N"}}], "mageia": [{"lastseen": "2023-12-06T16:56:00", "description": "Jeriko One discovered two vulnerabilities in the ZNC IRC bouncer which could result in privilege escalation or denial of service (CVE-2018-14055, CVE-2018-14056). Two vulnerabilities were discovered in the ZNC IRC bouncer which could result in remote code execution (CVE-2019-12816) or denial of service via invalid encoding (CVE-2019-9917). \n", "cvss3": {"exploitabilityScore": 2.8, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "baseScore": 8.8, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 5.9}, "published": "2019-09-12T22:09:52", "type": "mageia", "title": "Updated znc packages fix security vulnerabilities\n", "bulletinFamily": "unix", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 8.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "SINGLE"}, "impactScore": 6.4, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2018-14055", "CVE-2018-14056", "CVE-2019-12816", "CVE-2019-9917"], "modified": "2019-09-12T22:09:52", "id": "MGASA-2019-0262", "href": "https://advisories.mageia.org/MGASA-2019-0262.html", "cvss": {"score": 6.5, "vector": "AV:N/AC:L/Au:S/C:P/I:P/A:P"}}]}
CVE-2018-14056
