#VU36299 Buffer overflow in Exiv2 - CVE-2018-20097
Published: December 12, 2018 / Updated: October 27, 2022
Vulnerability identifier: #VU36299
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-2018-20097
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Exiv2
Exiv2
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
There is a SEGV in Exiv2::Internal::TiffParserWorker::findPrimaryGroups of tiffimage_int.cpp in Exiv2 0.27-RC3. A crafted input will lead to a remote denial of service attack.
Remediation
Install update from vendor's website.
External links
- https://access.redhat.com/errata/RHSA-2019:2101
- https://github.com/Exiv2/exiv2/issues/590
- https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
- https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZXCEKTYF7HLM6VH2WCWO2HXTJH37MBLA/