CVE-2017-14169 Information

Description

In the mxf_read_primer_pack function in libavformat/mxfdec.c in FFmpeg 3.3.3 an integer signedness error might occur when a crafted file which claims a large \item_num\ field such as 0xffffffff is provided. As a result the variable \item_num\ turns negative bypassing the check for a large value.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Reference

http://www.debian.org/security/2017/dsa-3996 http://www.securityfocus.com/bid/100692 https://github.com/FFmpeg/FFmpeg/commit/9d00fb9d70ee8c0cc7002b89318c5be00f1bbdad https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html

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