CVE-2020-24994 Information

Description

Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.

CVSS Vector

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

Reference

https://github.com/libass/libass/issues/422 https://github.com/libass/libass/issues/423 https://github.com/libass/libass/issues/422#issuecomment-806002919 https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.8