Out-of-bounds read in libexif - CVE-2020-0182

Vulnerability identifier: #VU29111

CSH Severity: Medium

CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-0182

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a missing bounds check when processing files. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

libexif
libexif (Ubuntu package)
libexif (Red Hat package)
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, big endian
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat CodeReady Linux Builder for x86_64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for ARM 64

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

libexif (Ubuntu package) - addressed in versions 0.6.21-2ubuntu0.5, 0.6.21-4ubuntu0.5, 0.6.21-5.1ubuntu0.5, 0.6.21-6ubuntu0.3
libexif (Red Hat package) - addressed in versions 0.6.22-1.el7, 0.6.22-4.el8

• https://lists.debian.org/debian-lts-announce/2020/06/msg00020.html
• https://source.android.com/security/bulletin/pixel/2020-06-01

• Multiple vulnerabilities in libexif
• Ubuntu update for libexif
• Red Hat Enterprise Linux 7 update for libexif
• Red Hat Enterprise Linux 8 update for libexif