{"id": "DEBIANCVE:CVE-2020-13696", "vendorId": null, "type": "debiancve", "bulletinFamily": "info", "title": "CVE-2020-13696", "description": "An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command.", "published": "2020-06-08T17:15:00", "modified": "2020-06-08T17:15:00", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}, "cvss2": {"acInsufInfo": false, "cvssV2": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 3.6, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "LOW", "userInteractionRequired": false}, "cvss3": {"cvssV3": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "NONE", "baseScore": 4.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 2.5}, "href": "https://security-tracker.debian.org/tracker/CVE-2020-13696", "reporter": "Debian Security Bug Tracker", "references": [], "cvelist": ["CVE-2020-13696"], "immutableFields": [], "lastseen": "2021-12-26T05:52:53", "viewCount": 1, "enchantments": {"dependencies": {"references": [{"type": "cve", "idList": ["CVE-2020-13696"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2246-1:A7EA0", "DEBIAN:DLA-2246-1:BF6FC"]}, {"type": "fedora", "idList": ["FEDORA:8753230F2EC9", "FEDORA:937ED30569CA"]}, {"type": "nessus", "idList": ["DEBIAN_DLA-2246.NASL", "FEDORA_2020-93DB553BB7.NASL", "FEDORA_2020-CD5AD916E4.NASL", "OPENSUSE-2020-784.NASL", "UBUNTU_USN-4518-1.NASL"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562310853197", "OPENVAS:1361412562310892246"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:0784-1", "OPENSUSE-SU-2020:0787-1"]}, {"type": "ubuntu", "idList": ["USN-4518-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2020-13696"]}], "rev": 4}, "score": {"value": 5.8, "vector": "NONE"}, "backreferences": {"references": [{"type": "cve", "idList": ["CVE-2020-13696"]}, {"type": "debian", "idList": ["DEBIAN:DLA-2246-1:BF6FC"]}, {"type": "fedora", "idList": ["FEDORA:8753230F2EC9", "FEDORA:937ED30569CA"]}, {"type": "nessus", "idList": ["OPENSUSE-2020-784.NASL", "UBUNTU_USN-4518-1.NASL"]}, {"type": "openvas", "idList": ["OPENVAS:1361412562310853197"]}, {"type": "suse", "idList": ["OPENSUSE-SU-2020:0784-1", "OPENSUSE-SU-2020:0787-1"]}, {"type": "ubuntu", "idList": ["USN-4518-1"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2020-13696"]}]}, "exploitation": null, "vulnersScore": 5.8}, "affectedPackage": [{"OS": "Debian", "OSVersion": "12", "arch": "all", "packageFilename": "xawtv_3.107-1.1_all.deb", "packageVersion": "3.107-1.1", "operator": "lt", "status": "resolved", "packageName": "xawtv"}, {"OS": "Debian", "OSVersion": "11", "arch": "all", "packageFilename": "xawtv_3.107-1_all.deb", "packageVersion": "3.107-1", "operator": "lt", "status": "resolved", "packageName": "xawtv"}, {"OS": "Debian", "OSVersion": "999", "arch": "all", "packageFilename": "xawtv_3.107-1.1_all.deb", "packageVersion": "3.107-1.1", "operator": "lt", "status": "resolved", "packageName": "xawtv"}, {"OS": "Debian", "OSVersion": "9", "arch": "all", "packageFilename": "xawtv_3.103-4_all.deb", "packageVersion": "3.103-4", "operator": "le", "status": "open", "packageName": "xawtv"}], "_state": {"dependencies": 1646409461}}

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video4linux. Xawtv contains various command-line utilities for grabbing images and .avi movies, for tuning in to TV stations, etc. Xawtv also includes a grabber driver for vic. ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 4.4, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 2.5}, "published": "2020-10-05T01:20:51", "type": "fedora", "title": "[SECURITY] Fedora 31 Update: xawtv-3.107-2.fc31", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2020-10-05T01:20:51", "id": "FEDORA:937ED30569CA", "href": "", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2021-07-28T14:46:51", "description": "Xawtv is a simple xaw-based TV program which uses the bttv driver or video4linux. Xawtv contains various command-line utilities for grabbing images and .avi movies, for tuning in to TV stations, etc. Xawtv also includes a grabber driver for vic. ", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 4.4, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 2.5}, "published": "2020-09-28T00:54:48", "type": "fedora", "title": "[SECURITY] Fedora 32 Update: xawtv-3.107-1.fc32", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2020-09-28T00:54:48", "id": "FEDORA:8753230F2EC9", "href": "", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}], "debian": [{"lastseen": "2022-01-04T15:11:57", "description": "Package : xawtv\nVersion : 3.103-3+deb8u1\nCVE ID : CVE-2020-13696\nDebian Bug : 962221\n\n\nAn issue was discovered in LinuxTV xawtv before 3.107. The function\ndev_open() in v4l-conf.c does not perform sufficient checks to\nprevent an unprivileged caller of the program from opening unintended\nfilesystem paths. This allows a local attacker with access to the\nv4l-conf setuid-root program to test for the existence of arbitrary\nfiles and to trigger an open on arbitrary files with mode O_RDWR.\nTo achieve this, relative path components need to be added to the\ndevice path, as demonstrated by a\nv4l-conf -c /dev/../root/.bash_history command.\n\nFor Debian 8 &quot;Jessie&quot;, this problem has been fixed in version\n3.103-3+deb8u1.\n\nWe recommend that you upgrade your xawtv 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\nBest,\nUtkarsh", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 4.4, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 2.5}, "published": "2020-06-12T12:59:32", "type": "debian", "title": "[SECURITY] [DLA 2246-1] xawtv security update", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2020-06-12T12:59:32", "id": "DEBIAN:DLA-2246-1:BF6FC", "href": "https://lists.debian.org/debian-lts-announce/2020/06/msg00018.html", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}, {"lastseen": "2021-10-22T11:23:35", "description": "Package : xawtv\nVersion : 3.103-3+deb8u1\nCVE ID : CVE-2020-13696\nDebian Bug : 962221\n\n\nAn issue was discovered in LinuxTV xawtv before 3.107. The function\ndev_open() in v4l-conf.c does not perform sufficient checks to\nprevent an unprivileged caller of the program from opening unintended\nfilesystem paths. This allows a local attacker with access to the\nv4l-conf setuid-root program to test for the existence of arbitrary\nfiles and to trigger an open on arbitrary files with mode O_RDWR.\nTo achieve this, relative path components need to be added to the\ndevice path, as demonstrated by a\nv4l-conf -c /dev/../root/.bash_history command.\n\nFor Debian 8 &quot;Jessie&quot;, this problem has been fixed in version\n3.103-3+deb8u1.\n\nWe recommend that you upgrade your xawtv 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\nBest,\nUtkarsh", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 4.4, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 2.5}, "published": "2020-06-12T12:59:32", "type": "debian", "title": "[SECURITY] [DLA 2246-1] xawtv security update", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2020-06-12T12:59:32", "id": "DEBIAN:DLA-2246-1:A7EA0", "href": "https://lists.debian.org/debian-lts-announce/2020/06/msg00018.html", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}], "ubuntu": [{"lastseen": "2022-01-04T11:13:39", "description": "Matthias Gerstner discovered that xawtv incorrectly handled opening files. \nA local attacker could possibly use this issue to open and write to \narbitrary files and escalate privileges. (CVE-2020-13696)\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "baseScore": 4.4, "privilegesRequired": "LOW", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "userInteraction": "NONE", "version": "3.1"}, "impactScore": 2.5}, "published": "2020-09-17T00:00:00", "type": "ubuntu", "title": "xawtv vulnerability", "bulletinFamily": "unix", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "acInsufInfo": false, "impactScore": 4.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2020-09-17T00:00:00", "id": "USN-4518-1", "href": "https://ubuntu.com/security/notices/USN-4518-1", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}], "redhatcve": [{"lastseen": "2022-05-21T01:09:29", "description": "An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command.\n", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 4.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2022-05-21T00:15:12", "type": "redhatcve", "title": "CVE-2020-13696", "bulletinFamily": "info", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2022-05-21T00:15:12", "id": "RH:CVE-2020-13696", "href": "https://access.redhat.com/security/cve/cve-2020-13696", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}}], "cve": [{"lastseen": "2022-04-28T21:39:27", "description": "An issue was discovered in LinuxTV xawtv before 3.107. The function dev_open() in v4l-conf.c does not perform sufficient checks to prevent an unprivileged caller of the program from opening unintended filesystem paths. This allows a local attacker with access to the v4l-conf setuid-root program to test for the existence of arbitrary files and to trigger an open on arbitrary files with mode O_RDWR. To achieve this, relative path components need to be added to the device path, as demonstrated by a v4l-conf -c /dev/../root/.bash_history command.", "cvss3": {"exploitabilityScore": 1.8, "cvssV3": {"baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "LOCAL", "availabilityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "baseScore": 4.4, "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1", "userInteraction": "NONE"}, "impactScore": 2.5}, "published": "2020-06-08T17:15:00", "type": "cve", "title": "CVE-2020-13696", "cwe": ["CWE-863"], "bulletinFamily": "NVD", "cvss2": {"severity": "LOW", "exploitabilityScore": 3.9, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "PARTIAL", "availabilityImpact": "NONE", "integrityImpact": "PARTIAL", "baseScore": 3.6, "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:N", "version": "2.0", "accessVector": "LOCAL", "authentication": "NONE"}, "impactScore": 4.9, "acInsufInfo": false, "obtainUserPrivilege": false}, "cvelist": ["CVE-2020-13696"], "modified": "2022-04-28T19:30:00", "cpe": ["cpe:/o:fedoraproject:fedora:31", "cpe:/o:fedoraproject:fedora:32", "cpe:/a:opensuse:backports_sle:15.0", "cpe:/o:canonical:ubuntu_linux:16.04", "cpe:/o:opensuse:leap:15.1", "cpe:/o:debian:debian_linux:8.0"], "id": "CVE-2020-13696", "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-13696", "cvss": {"score": 3.6, "vector": "AV:L/AC:L/Au:N/C:P/I:P/A:N"}, "cpe23": ["cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*", "cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*", "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*", "cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*", "cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*", "cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"]}]}