Vulnerability Details : CVE-2021-32439
Buffer overflow in the stbl_AppendSize function in MP4Box in GPAC 1.0.1 allows attackers to cause a denial of service or execute arbitrary code via a crafted file.
Vulnerability category: OverflowExecute codeDenial of service
Products affected by CVE-2021-32439
- cpe:2.3:a:gpac:gpac:1.0.1:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-32439
0.08%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-32439
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-32439
-
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: nvd@nist.gov (Primary)
References for CVE-2021-32439
-
https://github.com/gpac/gpac/issues/1774
Out of bounds Write in stbl_write.c:1650 · Issue #1774 · gpac/gpac · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://github.com/gpac/gpac/commit/77ed81c069e10b3861d88f72e1c6be1277ee7eae
fixed #1774 (fuzz) · gpac/gpac@77ed81c · GitHubPatch;Third Party Advisory
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