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CVE-2017-11683

Published: 27 July 2017

There is a reachable assertion in the Internal::TiffReader::visitDirectory function in tiffvisitor.cpp of Exiv2 0.26 that will lead to a remote denial of service attack via crafted input.

Notes

AuthorNote
mdeslaur
first commit skips the issue, third commit is actual fix.

Priority

Low

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
exiv2
Launchpad, Ubuntu, Debian
artful Ignored
(end of life)
bionic
Released (0.25-3.1ubuntu0.18.04.2)
cosmic
Released (0.25-4ubuntu0.1)
trusty
Released (0.23-1ubuntu2.2)
upstream Needs triage

xenial
Released (0.25-2.1ubuntu16.04.3)
yakkety Ignored
(end of life)
zesty Ignored
(end of life)
Patches:
upstream: https://github.com/Exiv2/exiv2/commit/77616c3204bc65028129edbc3375c8671fe551cb (0.26)
upstream: https://github.com/Exiv2/exiv2/commit/c90991cbdc9c170171965ea0e4bf697c22b3f1f0 (0.26)
upstream: https://github.com/Exiv2/exiv2/commit/1f1715c086d8dcdf5165b19164af9aee7aa12e98 (0.26)

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