Medium severity · published Apr 19, 2021
CVE-2021-30022
There is a integer overflow in media_tools/av_parsers.c in the gf_avc_read_pps_bs_internal in GPAC from 0.5.2 to 1.0.1
5.5
CVSS
1.1%
EPSS
No
On KEV
Description
There is a integer overflow in media_tools/av_parsers.c in the gf_avc_read_pps_bs_internal in GPAC from 0.5.2 to 1.0.1. pps_id may be a negative number, so it will not return. However, avc->pps only has 255 unit, so there is an overflow, which results a crash.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 65% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GP
Gpac · Gpac
0.5.2 through 1.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-30022
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-30022
Product
https://github.com/gpac/gpac/blob/v0.5.2/src/media_tools/av_parsers.c#L2344
Patch
https://github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788
Exploit
https://github.com/gpac/gpac/issues/1720
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