Stack-based buffer over-read in libvorbis - CVE-2018-10393

Vulnerability identifier: #VU12883

CSH Severity: Low

CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-10393

CWE-ID: CWE-126

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists in bark_noise_hybridmp in psy.c due to stack-based buffer over-read. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and cause the service to crash.

libvorbis
Gentoo Linux
Red Hat Enterprise Linux for x86_64
Slackware Linux
Ubuntu
Fedora
busybox (Alpine package)
libvorbis (Alpine package)
openSUSE Leap
firefox-esr (Alpine package)
mingw-libvorbis
libvorbis
libvorbis0a (Ubuntu package)
libvorbisfile3 (Ubuntu package)
libvorbisenc2 (Ubuntu package)

Install update from vendor's website.

libvorbis (Alpine package) - update to 1.3.6-r2
mingw-libvorbis - update to 1.3.6-2.fc29
libvorbis - update to 1.3.6-3.fc28
libvorbis0a (Ubuntu package) - update to 1.3.53ubuntu0.2+esm1
libvorbisfile3 (Ubuntu package) - update to 1.3.53ubuntu0.2+esm1
libvorbisenc2 (Ubuntu package) - update to 1.3.53ubuntu0.2+esm1

• https://gitlab.xiph.org/xiph/vorbis/issues/2334

• OpenSUSE Linux update for libvorbis
• Red Hat update for libvorbis
• Gentoo update for libvorbis
• Slackware Linux update for libvorbis
• Stack-based buffer over-read in libvorbis (Alpine package)
• Stack-based buffer over-read in busybox (Alpine package)
• Stack-based buffer over-read in firefox-esr (Alpine package)
• Ubuntu update for libvorbis
• Fedora 28 update for libvorbis
• Fedora 29 update for mingw-libvorbis