Buffer overflow in Exiv2 - CVE-2019-17402

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Main Vulnerability Database Vulnerabilities #VU28797

Buffer overflow in Exiv2 - CVE-2019-17402

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


Vulnerability identifier: #VU28797
CSH Severity: 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-2019-17402
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Exiv2
Software vendor:
GNU

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary in Exiv2::getULong() function in types.cpp when called from Exiv2::Internal::CiffDirectory::readDirectory in crwimage_int.cpp. A remote attacker can pass specially crafted data to the application, trigger memory corruption and crash the service.


Remediation

Install update from vendor's website.

External links