Vulnerability CVE-2021-34334


Published: 2021-08-09

Description:
Exiv2 is a command-line utility and C++ library for reading, writing, deleting, and modifying the metadata of image files. An infinite loop is triggered when Exiv2 is used to read 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. The bug is fixed in version v0.27.5.

Type:

CWE-835

(Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
Exiv2 -> Exiv2 

 References:
https://github.com/Exiv2/exiv2/pull/1766
https://github.com/Exiv2/exiv2/security/advisories/GHSA-hqjh-hpv8-8r9p

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