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CVE-2018-20097

Published: 12 December 2018

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.

Notes

AuthorNote
mdeslaur
0.25 is not affected, code introduced later

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
exiv2
Launchpad, Ubuntu, Debian
upstream Needs triage

trusty Does not exist
(trusty was not-affected [code not present])
xenial Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
cosmic Not vulnerable
(code not present)
Patches:
upstream: https://github.com/Exiv2/exiv2/commit/203ab0db28c9666b16069d4056ac5f66f753a51d

Severity score breakdown

Parameter Value
Base score 6.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H