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5.5
CVSSv3

CVE-2021-37621

Published: 09/08/2021 Updated: 22/12/2023
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 383
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P
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Vulnerability Summary

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 previous versions. 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 image ICC profile, which is a less frequently used Exiv2 operation that requires an extra command line option (`-p C`). The bug is fixed in version v0.27.5.

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exiv2 exiv2

fedoraproject fedora 33

fedoraproject fedora 34

debian debian linux 10.0

Vendor Advisories

Red Hat: CVE-2021-37621
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 v0274 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 ...
Arch Linux Issues:
An infinite loop was found in Exiv2 versions 0274 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 t ...

References

CWE-835https://github.com/Exiv2/exiv2/pull/1778https://github.com/Exiv2/exiv2/security/advisories/GHSA-m479-7frc-gqqghttps://lists.debian.org/debian-lts-announce/2023/01/msg00004.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/https://security.gentoo.org/glsa/202312-06https://nvd.nist.govhttps://access.redhat.com/security/cve/cve-2021-37621https://security.archlinux.org/CVE-2021-37621
CVSSv3
CVSSv2
CVSSv3
VMScore
Recommendations:
NULL pointer dereferenceCVE-2023-52689CVE-2024-23803client sideCVE-2023-52696information disclosureCVE-2024-35843CVE-2024-27130CVE-2023-52697
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