SB2017041414 - Heap-based buffer overflow in Debian Linux

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2017-7865)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the libavcodec/interplayvideo.c and the avcodec_align_dimensions2 function in libavcodec/utils.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• http://www.securityfocus.com/bid/97685
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=452
• https://github.com/FFmpeg/FFmpeg/commit/2080bc33717955a0e4268e738acf8c1eeddbf8cb
• https://lists.debian.org/debian-lts-announce/2019/02/msg00005.html