CVE-2021-29458 — Out-of-bounds Read in Exiv2

CWE-125 — Out-of-bounds ReadCWE-190 — Integer Overflow or Wraparound7 documents6 sources
Severity
5.5MEDIUMNVD
OSV7.8
EPSS
0.1%
top 73.72%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Exiv2Debian Exiv2Debian Linux+4 more
Timeline
PublishedApr 19
Latest updateMay 10

Description

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An out-of-bounds read was found in Exiv2 versions v0.27.3 and earlier. The out-of-bounds read is triggered when Exiv2 is used to write metadata into a crafted image file. An attacker could potentially exploit the vulnerability to cause a denial of service by crashing Exiv2, if they can trick the victim into running Exiv2 on a crafted image file. Note that this bug is only tr…

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

▶NVDexiv2/exiv2< 0.27.4
▶debiandebian/exiv2< exiv2 0.27.5-1 (bookworm)
▶Debianexiv2/exiv2< 0.27.3-3+deb11u2+3
▶Ubuntuexiv2/exiv2< 0.25-3.1ubuntu0.18.04.7+2

Also affects: Debian Linux 10.0, Fedora 33, 34

Patches

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

🔴Vulnerability Details

2
OSV
exiv2 vulnerabilities↗2021-05-10
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OSV
CVE-2021-29458: Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files↗2021-04-19
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📋Vendor Advisories

4
Ubuntu
Exiv2 vulnerabilities↗2021-05-10
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Red Hat
exiv2: Out-of-bounds read in Exiv2::Internal::CrwMap::encode↗2021-04-18
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Microsoft
Out-of-bounds read in Exiv2::Internal::CrwMap::encode↗2021-04-13
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Debian
CVE-2021-29458: exiv2 - Exiv2 is a command-line utility and C++ library for reading, writing, deleting, ...↗2021
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