CVE-2021-37615 — NULL Pointer Dereference in Exiv2

CWE-476 — NULL Pointer Dereference7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.1%
top 73.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Exiv2Debian Exiv2Fedoraproject Fedora+3 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. A null pointer dereference was found in Exiv2 versions v0.27.4 and earlier. The null pointer dereference 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 trigger…

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: 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-2021-37615: 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
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Microsoft
Null pointer dereference in Exiv2::Internal::resolveLens0x319↗2021-08-10
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Red Hat
exiv2: NULL pointer dereference in Exiv2::Internal::resolveLens0x319↗2021-08-08
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Debian
CVE-2021-37615: exiv2 - Exiv2 is a command-line utility and C++ library for reading, writing, deleting, ...↗2021
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