CVE-2021-37621 — Infinite Loop in Exiv2

CWE-835 — Infinite Loop7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 75.29%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Exiv2Debian Exiv2Debian Linux+4 more
Timeline
PublishedAug 9
Latest updateAug 17

Description

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop was found in Exiv2 versions v0.27.4 and earlier. The infinite loop is triggered when Exiv2 is used to print the metadata of a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only triggered when printing the …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages7 packages

▶debiandebian/exiv2< exiv2 0.27.5-1 (bookworm)
▶Debianexiv2/exiv2< 0.27.3-3+deb11u2+3
▶Ubuntuexiv2/exiv2< 0.25-3.1ubuntu0.18.04.11+2
▶NVDexiv2/exiv20.27.4

Also affects: Debian Linux 10.0, Fedora 33, 34

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
OSV
exiv2 vulnerabilities↗2021-08-17
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OSV
CVE-2021-37621: Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files↗2021-08-09
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📋Vendor Advisories

4
Ubuntu
Exiv2 vulnerabilities↗2021-08-17
▶
Microsoft
Denial of service due to infinite loop in Image::printIFDStructure↗2021-08-10
▶
Red Hat
exiv2: DoS due to infinite loop in Image::printIFDStructure↗2021-08-08
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Debian
CVE-2021-37621: exiv2 - Exiv2 is a command-line utility and C++ library for reading, writing, deleting, ...↗2021
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