Vulnerability Details : CVE-2016-8676
The get_vlc2 function in get_bits.h in Libav 11.9 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted mp3 file. NOTE: this issue exists due to an incomplete fix for CVE-2016-8675.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2016-8676
Probability of exploitation activity in the next 30 days: 0.39%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 70 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2016-8676
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2016-8676
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A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-8676
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https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer/
libav: multiple crashes from the Undefined Behavior Sanitizer | agostino's blogThird Party Advisory
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https://blogs.gentoo.org/ago/2016/09/07/libav-null-pointer-dereference-in-get_vlc2_get_bits_h/
libav: null pointer dereference in get_vlc2 (get_bits.h) | agostino's blogPatch;Third Party Advisory
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http://www.securityfocus.com/bid/93468
Libav 'get_vlc2()' Function NULL Pointer Dereference Denial of Service VulnerabilityThird Party Advisory;VDB Entry
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http://www.openwall.com/lists/oss-security/2016/12/04/3
oss-security - Re: libav: multiple crashes from the Undefined Behavior SanitizerMailing List;Third Party Advisory
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http://www.openwall.com/lists/oss-security/2016/10/16/13
oss-security - Re: libav: null pointer dereference in get_vlc2 (get_bits.h)Mailing List;Third Party Advisory
Products affected by CVE-2016-8676
- cpe:2.3:a:libav:libav:*:*:*:*:*:*:*:*