Vulnerability Details : CVE-2021-3185
A flaw was found in the gstreamer h264 component of gst-plugins-bad before v1.18.1 where when parsing a h264 header, an attacker could cause the stack to be smashed, memory corruption and possibly code execution.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-3185
- cpe:2.3:a:freedesktop:gst-plugins-bad:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-3185
0.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-3185
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2021-3185
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: secalert@redhat.com (Secondary)
-
A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function).Assigned by: secalert@redhat.com (Secondary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-3185
-
https://security.gentoo.org/glsa/202208-31
GStreamer, GStreamer Plugins: Multiple Vulnerabilities (GLSA 202208-31) — Gentoo securityThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=1917192
1917192 – (CVE-2021-3185) CVE-2021-3185 gstreamer: buffer overflow in gst_h264_slice_parse_dec_ref_pic_markingIssue Tracking;Patch;Third Party Advisory
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