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Vulnerability Details : CVE-2021-37619

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 v0.27.4 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 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 insert. The bug is fixed in version v0.27.5.
Publish Date : 2021-08-09 Last Update Date : 2021-09-21
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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 125

- Related OVAL Definitions

Title Definition Id Class Family
RHSA-2021:4173: exiv2 security, bug fix, and enhancement update (Moderate) oval:com.redhat.rhsa:def:20214173 unix
RHSA-2021:4319: compat-exiv2-026 security update (Moderate) oval:com.redhat.rhsa:def:20214319 unix
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify a vulnerability or a missing patch. Check out the OVAL definitions if you want to learn what you should do to verify a vulnerability.

- Products Affected By CVE-2021-37619

# Product Type Vendor Product Version Update Edition Language
1 Application Exiv2 Exiv2 * * * * Version Details Vulnerabilities
2 OS Fedoraproject Fedora 33 * * * Version Details Vulnerabilities
3 OS Fedoraproject Fedora 34 * * * Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Exiv2 Exiv2 1
Fedoraproject Fedora 2

- References For CVE-2021-37619

https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UYGDELIFFJWKUU7SO3QATCIXCZJERGAC/
FEDORA FEDORA-2021-cbaef8e2d5
https://github.com/Exiv2/exiv2/pull/1752
https://github.com/Exiv2/exiv2/security/advisories/GHSA-mxw9-qx4c-6m8v CONFIRM
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FMDT4PJB7P43WSOM3TRQIY3J33BAFVVE/
FEDORA FEDORA-2021-399f869889

- Metasploit Modules Related To CVE-2021-37619

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


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