SB2017062833 - Heap-based buffer overflow in ffmpeg.sourceforge.net FFmpeg

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2017-9996)

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

The vulnerability exists due to a boundary error in The cdxl_decode_frame function in libavcodec/cdxl.c in FFmpeg 2.8.x before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 does not exclude the CHUNKY format, which. A remote attacker can use a crafted file. to 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

Install update from vendor's website.

References

• http://www.securityfocus.com/bid/99323
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1378
• https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=1427
• https://github.com/FFmpeg/FFmpeg/commit/1e42736b95065c69a7481d0cf55247024f54b660
• https://github.com/FFmpeg/FFmpeg/commit/e1b60aad77c27ed5d4dfc11e5e6a05a38c70489d