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Vulnerability Details : CVE-2021-32617

Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An inefficient algorithm (quadratic complexity) was found in Exiv2 versions v0.27.3 and earlier. The inefficient algorithm 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, if they can trick the victim into running Exiv2 on a crafted image file. The bug is fixed in version v0.27.4. Note that this bug is only triggered when _writing_ the metadata, which is a less frequently used Exiv2 operation than _reading_ the metadata. For example, to trigger the bug in the Exiv2 command-line application, you need to add an extra command-line argument such as `rm`.
Publish Date : 2021-05-17 Last Update Date : 2021-06-10
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- CVSS Scores & Vulnerability Types

CVSS Score
4.3
Confidentiality Impact None (There is no impact to the confidentiality of the system.)
Integrity Impact None (There is no impact to the integrity of the system)
Availability Impact Partial (There is reduced performance or interruptions in resource availability.)
Access Complexity Medium (The access conditions are somewhat specialized. Some preconditions must be satistified to exploit)
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s) Denial Of Service
CWE ID 400

- Products Affected By CVE-2021-32617

# Product Type Vendor Product Version Update Edition Language
1 Application Exiv2 Exiv2 * * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Exiv2 Exiv2 1

- References For CVE-2021-32617

https://lists.fedoraproject.org/archives/list/[email protected]/message/RQAKFIQHW2AS3AGSJM42ABOA6CWIJBGM/
FEDORA FEDORA-2021-bdba47348c
https://lists.fedoraproject.org/archives/list/[email protected]/message/M2BPQNJKTRIDINTVJ22QMMTIZEPHVKXK/
FEDORA FEDORA-2021-8253c78bd7
https://lists.fedoraproject.org/archives/list/[email protected]/message/TZ5SGWHK64TB7ADRSVBGHEPDFN5CSOO3/
FEDORA FEDORA-2021-8917c5d9d2
https://lists.fedoraproject.org/archives/list/[email protected]/message/5I3RRZUGSBIUYZ5TIHLN55PKMAWCSJ5G/
FEDORA FEDORA-2021-d1d5a0bf0f
https://github.com/Exiv2/exiv2/security/advisories/GHSA-w8mv-g8qq-36mj CONFIRM
https://github.com/Exiv2/exiv2/pull/1657

- Metasploit Modules Related To CVE-2021-32617

There are not any metasploit modules related to this CVE entry (Please visit www.metasploit.com for more information)


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