Buffer overflow in libexif - CVE-2020-0452

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Main Vulnerability Database Vulnerabilities #VU48198

Buffer overflow in libexif - CVE-2020-0452

Published: November 8, 2020 / Updated: September 13, 2021


Vulnerability identifier: #VU48198
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-2020-0452
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

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

The vulnerability exists due to a compiler optimization that removes protection against buffer overflow in libexif. A remote attacker can create a specially crafted EXIF file, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

libexif
Gentoo Linux
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Manager Retail Branch Server
SUSE Manager Server
SUSE Enterprise Storage
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux Server
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
CentOS
HPE Helion Openstack
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
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
Red Hat CodeReady Linux Builder for ARM 64
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux Server - TUS
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
Ubuntu
SUSE Linux Enterprise High Performance Computing
SUSE Linux Enterprise Realtime Extension
SUSE Linux Enterprise Module for Desktop Applications
SUSE Linux Enterprise Desktop
openSUSE Leap
openEuler
Fedora
libexif (Debian package)
libexif (Red Hat package)
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Enterprise Linux Server for x86_64 - Update Services for SAP Solutions
SUSE Linux Enterprise Module for Packagehub Subpackages
libexif12 (Ubuntu package)
libexif-help
libexif-devel
libexif-debugsource
libexif-debuginfo
libexif
libexif12-debuginfo-32bit
libexif12-debuginfo
libexif12-32bit
libexif12
libexif12-32bit-debuginfo
libexif-devel-32bit

How to mitigate CVE-2020-0452

Install update from vendor's website.

libexif - update to 0.6.23
libexif (Debian package) - update to 0.6.21-5.1+deb10u5
libexif (Red Hat package) - addressed in versions 0.6.21-18.el8_0, 0.6.21-18.el8_1, 0.6.21-18.el8_2, 0.6.22-2.el7_9, 0.6.22-5.el8_3
libexif12 (Ubuntu package) - addressed in versions 0.6.20-2ubuntu0.7, 0.6.21-2ubuntu0.6, 0.6.21-4ubuntu0.6, 0.6.21-6ubuntu0.4, 0.6.22-2ubuntu0.1
libexif-help - update to 0.6.21-26
libexif-devel - update to 0.6.21-26
libexif-debugsource - update to 0.6.21-26
libexif-debuginfo - update to 0.6.21-26
libexif - update to 0.6.21-26
libexif - addressed in versions 0.6.22-2.fc32, 0.6.22-3.fc33
libexif-devel - addressed in versions 0.6.22-8.13.1, 0.6.22-150000.5.9.1
libexif12-debuginfo-32bit - update to 0.6.22-8.13.1
libexif12-debuginfo - addressed in versions 0.6.22-8.13.1, 0.6.22-150000.5.9.1
libexif12-32bit - addressed in versions 0.6.22-8.13.1, 0.6.22-150000.5.9.1
libexif12 - addressed in versions 0.6.22-8.13.1, 0.6.22-150000.5.9.1
libexif-debugsource - addressed in versions 0.6.22-8.13.1, 0.6.22-150000.5.9.1
libexif12-32bit-debuginfo - update to 0.6.22-150000.5.9.1
libexif-devel-32bit - update to 0.6.22-150000.5.9.1

External References

Related Security Bulletins