CVE-2018-20097

moderate-risk
Published 2018-12-12

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.

Do I need to act?

~
2.4% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (7)

Enterprise Linux Dekstop

Affected Vendors

Debian Redhat Fedoraproject Exiv2

References (12)

Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2101
Exploit https://github.com/Exiv2/exiv2/issues/590
Exploit https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
Third Party Advisory https://access.redhat.com/errata/RHSA-2019:2101
Exploit https://github.com/Exiv2/exiv2/issues/590
Exploit https://github.com/TeamSeri0us/pocs/tree/master/exiv2/20181206
Mailing List https://lists.debian.org/debian-lts-announce/2019/02/msg00038.html
Mailing List https://lists.debian.org/debian-lts-announce/2023/01/msg00004.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
43
/ 100
moderate-risk
Severity 24/34 · High
Exploitability 5/34 · Minimal
Exposure 14/34 · Moderate