Resource exhaustion in Exiv2 - CVE-2021-32617

Vulnerability identifier: #VU67973

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-32617

CWE-ID: CWE-400

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to application uses an inefficient algorithm (quadratic complexity) when writing metadata into a crafted image file. A remote attacker can trick trigger resource exhaustion and perform a denial of service (DoS) attack.

Exiv2
Arch Linux
Gentoo Linux
Red Hat CodeReady Linux Builder for IBM z Systems
Anolis OS
Red Hat CodeReady Linux Builder for ARM 64
Red Hat CodeReady Linux Builder for Power, little endian
Red Hat CodeReady Linux Builder for x86_64
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for x86_64
SUSE Linux Enterprise Server
SUSE Linux Enterprise Software Development Kit
SUSE Linux Enterprise Server for SAP Applications
Ubuntu
openEuler
Fedora
exiv2-debugsource
libexiv2-devel
libexiv2-12
libexiv2-12-debuginfo
exiv2-debuginfo
libexiv2-14 (Ubuntu package)
exiv2 (Ubuntu package)
exiv2
exiv2-devel
exiv2-help
libexiv2-27 (Ubuntu package)
mingw-exiv2
exiv2 (Red Hat package)
exiv2-libs
media-gfx/exiv2

Install updates from vendor's website.

Exiv2 - update to 0.27.4
exiv2-debugsource - update to 0.23-12.11.1
libexiv2-devel - update to 0.23-12.11.1
libexiv2-12 - update to 0.23-12.11.1
libexiv2-12-debuginfo - update to 0.23-12.11.1
exiv2-debuginfo - update to 0.23-12.11.1
libexiv2-14 (Ubuntu package) - addressed in versions 0.25-3.1ubuntu0.18.04.9, 0.25-3.1ubuntu0.18.04.11
exiv2 (Ubuntu package) - addressed in versions 0.25-3.1ubuntu0.18.04.9, 0.27.2-8ubuntu2.4, 0.27.2-8ubuntu2.7, 0.27.3-3ubuntu0.4, 0.27.3-3ubuntu1.3
exiv2 - update to 0.26-27
exiv2-devel - update to 0.26-27
exiv2-debuginfo - update to 0.26-27
exiv2-debugsource - update to 0.26-27
exiv2-help - update to 0.26-27
libexiv2-27 (Ubuntu package) - addressed in versions 0.27.2-8ubuntu2.4, 0.27.3-3ubuntu0.4, 0.27.3-3ubuntu1.3
mingw-exiv2 - addressed in versions 0.27.3-6.fc33, 0.27.3-6.fc34
exiv2 - addressed in versions 0.27.3-7.fc33, 0.27.3-7.fc34
exiv2 (Red Hat package) - update to 0.27.4-5.el8
exiv2 - update to 0.27.5-2
exiv2-libs - update to 0.27.5-2
media-gfx/exiv2 - update to 0.28.1

• https://github.com/Exiv2/exiv2/pull/1657
• https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5I3RRZUGSBIUYZ5TIHLN55PKMAWCSJ5G/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M2BPQNJKTRIDINTVJ22QMMTIZEPHVKXK/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RQAKFIQHW2AS3AGSJM42ABOA6CWIJBGM/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TZ5SGWHK64TB7ADRSVBGHEPDFN5CSOO3/

• Multiple vulnerabilities in Exiv2
• SUSE update for exiv2
• Gentoo update for Exiv2
• openEuler 20.03 LTS SP1 update for exiv2
• Red Hat Enterprise Linux 8 update for exiv2
• Ubuntu update for exiv2
• Arch Linux update for exiv2
• Fedora 34 update for exiv2
• Fedora 33 update for exiv2
• Fedora 33 update for mingw-exiv2
• Fedora 34 update for mingw-exiv2
• Anolis OS update for exiv2