NULL pointer dereference in Exiv2 - CVE-2017-18005
Published: December 31, 2017 / Updated: October 21, 2021
Vulnerability identifier: #VU37720
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-18005
CWE-ID: CWE-476
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error in the Exiv2::DataValue::toLong function in value.cpp, related to crafted metadata file. A remote attacker can perform a denial of service (DoS) attack.
Affected software
Exiv2
How to mitigate CVE-2017-18005
Install update from vendor's website.