Use of Uninitialized Variable in libwebp - CVE-2018-25014

Vulnerability identifier: #VU53851

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2018-25014

CWE-ID: CWE-457

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to usage of unitialized variable in the ReadSymbol() function in libwebp. A remote attacker can trick the victim to open a specially crated file and execute arbitrary code on the system.

libwebp
libwebp (Debian package)
libwebpmux1 (Ubuntu package)
libwebpdemux1 (Ubuntu package)
libwebp5 (Ubuntu package)
libwebpdemux2 (Ubuntu package)
libwebp6 (Ubuntu package)
libwebpmux3 (Ubuntu package)
libwebp (Red Hat package)
qt5-qtimageformats (Red Hat package)
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Power, little endian
CentOS
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
iPadOS
Apple iOS
Ubuntu
Red Hat OpenShift Container Platform

Install updates from vendor's website.

libwebp - update to 1.0.1
libwebp (Debian package) - update to 0.6.1-2+deb10u1
iPadOS - addressed in versions 14.7 18G69, 14.7 18G70
Apple iOS - update to 14.7 18G69
libwebpmux1 (Ubuntu package) - update to 0.4.41ubuntu0.1~esm1
libwebpdemux1 (Ubuntu package) - update to 0.4.41ubuntu0.1~esm1
libwebp5 (Ubuntu package) - update to 0.4.41ubuntu0.1~esm1
libwebpdemux2 (Ubuntu package) - addressed in versions 0.6.1-2ubuntu0.18.04.1, 0.6.1-2ubuntu0.20.04.1, 0.6.1-2ubuntu0.20.10.1, 0.6.1-2ubuntu0.21.04.1
libwebp6 (Ubuntu package) - addressed in versions 0.6.1-2ubuntu0.18.04.1, 0.6.1-2ubuntu0.20.04.1, 0.6.1-2ubuntu0.20.10.1, 0.6.1-2ubuntu0.21.04.1
libwebpmux3 (Ubuntu package) - addressed in versions 0.6.1-2ubuntu0.18.04.1, 0.6.1-2ubuntu0.20.04.1, 0.6.1-2ubuntu0.20.10.1, 0.6.1-2ubuntu0.21.04.1
libwebp (Red Hat package) - update to 1.0.0-5.el8
Red Hat OpenShift Container Platform - update to 4.11.0
qt5-qtimageformats (Red Hat package) - update to 5.9.7-2.el7_9

• https://bugzilla.redhat.com/show_bug.cgi?id=1956927
• https://lists.debian.org/debian-lts-announce/2021/06/msg00005.html
• https://lists.debian.org/debian-lts-announce/2021/06/msg00006.html

• Multiple vulnerabilities in libwebp
• Red Hat Enterprise Linux 7 update for qt5-qtimageformats
• Debian update for libwebp
• CentOS 7 update for qt5-qtimageformats
• Multiple vulnerabilities in Apple iOS and iPadOS
• Ubuntu update for libwebp
• Ubuntu update for libwebp
• Multiple vulnerabilities in OpenShift Container Platform 4.11
• Red Hat Enterprise Linux 8 update for libwebp