#VU28798 Infinite loop in Exiv2 - CVE-2019-20421

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Main Vulnerability Database Vulnerabilities #VU28798

#VU28798 Infinite loop in Exiv2 - CVE-2019-20421

Published: June 8, 2020 / Updated: June 30, 2020


Vulnerability identifier: #VU28798
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-20421
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Exiv2
Software vendor:
GNU

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to infinite loop within the Jp2Image::readMetadata() in jp2image.cpp. A remote attacker can create a specially crafted image file, pass it to the affected application and consume all available system resources or cause denial of service conditions.


Remediation

Install update from vendor's website.

External links