SB2020061735 - Heap-based buffer overflow in vlc (Alpine package)

Description

This security bulletin contains information about 1 security vulnerability.

1) Heap-based buffer overflow (CVE-ID: CVE-2020-13428)

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

The vulnerability exists due to a boundary error in the hxxx_AnnexB_to_xVC() function in modules/packetizer/hxxx_nal.c in VideoLAN VLC media player when processing H.264 Annex-B video files. A remote attacker can create a specially crafted .avi 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

Install update from vendor's website.

References

• https://git.alpinelinux.org/aports/commit/?id=3b2303e96e8e746fbce238f58cb8267fd29d2e82
• https://git.alpinelinux.org/aports/commit/?id=e186c138b6fda5ee16e09008c8479d44426f84e4