CVE-2021-30022 Information

Description

There is a integer overflow in media_tools/av_parsers.c in the gf_avc_read_pps_bs_internal in GPAC 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

Reference

https://github.com/gpac/gpac/issues/1720 https://github.com/gpac/gpac/commit/51cdb67ff7c5f1242ac58c5aa603ceaf1793b788

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

5.5