Vulnerability Details : CVE-2019-20630
Potential exploit
An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.
Vulnerability category: Denial of service
Products affected by CVE-2019-20630
- cpe:2.3:a:gpac:gpac:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-20630
0.31%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 51 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-20630
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
5.5
|
MEDIUM | CVSS:3.1/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-2019-20630
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-20630
-
https://github.com/gpac/gpac/issues/1268
heap-buffer-overflow on BS_ReadByte · Issue #1268 · gpac/gpac · GitHubExploit;Third Party Advisory
-
https://github.com/gpac/gpac/commit/1ab4860609f2e7a35634930571e7d0531297e090
fixed potential crash on PMT IOD parse - cf #1268 #1269 · gpac/gpac@1ab4860 · GitHubPatch;Third Party Advisory
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