CVE-2020-11558 Information

Description

An issue was discovered in libgpac.a in GPAC 0.8.0 as demonstrated by MP4Box. audio_sample_entry_Read in isomedia/box_code_base.c does not properly decide when to make gf_isom_box_del calls. This leads to various use-after-free outcomes involving mdia_Read gf_isom_delete_movie and gf_isom_parse_movie_boxes.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://github.com/gpac/gpac/commit/6063b1a011c3f80cee25daade18154e15e4c058c https://github.com/gpac/gpac/issues/1440

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8