Description
There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.
Affected Software
Related
{"id": "CVE-2017-11684", "vendorId": null, "type": "cve", "bulletinFamily": "NVD", "title": "CVE-2017-11684", "description": "There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.", "published": "2017-07-27T06:29:00", "modified": "2019-10-03T00:03:00", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}, "cvss2": {"cvssV2": {"version": "2.0", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 5.0}, "severity": "MEDIUM", "exploitabilityScore": 10.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "cvss3": {"cvssV3": {"version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH"}, "exploitabilityScore": 3.9, "impactScore": 3.6}, "href": "https://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2017-11684", "reporter": "cve@mitre.org", "references": ["https://bugzilla.libav.org/show_bug.cgi?id=1073", "http://www.securityfocus.com/bid/99980"], "cvelist": ["CVE-2017-11684"], "immutableFields": [], "lastseen": "2022-03-23T12:38:48", "viewCount": 22, "enchantments": {"dependencies": {"references": [{"type": "debiancve", "idList": ["DEBIANCVE:CVE-2017-11684"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2017-11684"]}], "rev": 4}, "score": {"value": 4.3, "vector": "NONE"}, "backreferences": {"references": [{"type": "debiancve", "idList": ["DEBIANCVE:CVE-2017-11684"]}, {"type": "ubuntucve", "idList": ["UB:CVE-2017-11684"]}]}, "exploitation": null, "vulnersScore": 4.3}, "_state": {"dependencies": 0}, "_internal": {}, "cna_cvss": {"cna": null, "cvss": {}}, "cpe": ["cpe:/a:libav:libav:12.1"], "cpe23": ["cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*"], "cwe": ["NVD-CWE-noinfo"], "affectedSoftware": [{"cpeName": "libav:libav", "version": "12.1", "operator": "eq", "name": "libav"}], "affectedConfiguration": [], "cpeConfiguration": {"CVE_data_version": "4.0", "nodes": [{"operator": "OR", "children": [], "cpe_match": [{"vulnerable": true, "cpe23Uri": "cpe:2.3:a:libav:libav:12.1:*:*:*:*:*:*:*", "cpe_name": []}]}]}, "extraReferences": [{"url": "https://bugzilla.libav.org/show_bug.cgi?id=1073", "name": "https://bugzilla.libav.org/show_bug.cgi?id=1073", "refsource": "MISC", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"]}, {"url": "http://www.securityfocus.com/bid/99980", "name": "99980", "refsource": "BID", "tags": ["Third Party Advisory", "VDB Entry"]}]}
{"ubuntucve": [{"lastseen": "2021-11-22T21:41:03", "description": "There is an illegal address access in the build_table function in\nlibavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of\nservice via crafted input.\n\n#### Bugs\n\n * <https://bugzilla.libav.org/show_bug.cgi?id=1073>\n", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "baseScore": 7.5, "privilegesRequired": "NONE", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "userInteraction": "NONE", "version": "3.0"}, "impactScore": 3.6}, "published": "2017-07-27T00:00:00", "type": "ubuntucve", "title": "CVE-2017-11684", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-11684"], "modified": "2017-07-27T00:00:00", "id": "UB:CVE-2017-11684", "href": "https://ubuntu.com/security/CVE-2017-11684", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}], "debiancve": [{"lastseen": "2022-07-04T05:58:31", "description": "There is an illegal address access in the build_table function in libavcodec/bitstream.c of Libav 12.1 that will lead to remote denial of service via crafted input.", "cvss3": {"exploitabilityScore": 3.9, "cvssV3": {"baseSeverity": "HIGH", "confidentialityImpact": "NONE", "attackComplexity": "LOW", "scope": "UNCHANGED", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "baseScore": 7.5, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.0", "userInteraction": "NONE"}, "impactScore": 3.6}, "published": "2017-07-27T06:29:00", "type": "debiancve", "title": "CVE-2017-11684", "bulletinFamily": "info", "cvss2": {"severity": "MEDIUM", "exploitabilityScore": 10.0, "obtainAllPrivilege": false, "userInteractionRequired": false, "obtainOtherPrivilege": false, "cvssV2": {"accessComplexity": "LOW", "confidentialityImpact": "NONE", "availabilityImpact": "PARTIAL", "integrityImpact": "NONE", "baseScore": 5.0, "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "version": "2.0", "accessVector": "NETWORK", "authentication": "NONE"}, "impactScore": 2.9, "obtainUserPrivilege": false}, "cvelist": ["CVE-2017-11684"], "modified": "2017-07-27T06:29:00", "id": "DEBIANCVE:CVE-2017-11684", "href": "https://security-tracker.debian.org/tracker/CVE-2017-11684", "cvss": {"score": 5.0, "vector": "AV:N/AC:L/Au:N/C:N/I:N/A:P"}}]}