Your submission was sent successfully! Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2019-17402

Published: 9 October 2019

Exiv2 0.27.2 allows attackers to trigger a crash in Exiv2::getULong in types.cpp when called from Exiv2::Internal::CiffDirectory::readDirectory in crwimage_int.cpp, because there is no validation of the relationship of the total size to the offset and size.

Notes

AuthorNote
leosilva
second patch adds a regression test.

Priority

Medium

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package Release Status
exiv2
Launchpad, Ubuntu, Debian
bionic
Released (0.25-3.1ubuntu0.18.04.4)
disco
Released (0.25-4ubuntu1.2)
eoan
Released (0.25-4ubuntu2.1)
trusty Does not exist

upstream Needs triage

xenial
Released (0.25-2.1ubuntu16.04.5)
Patches:
upstream: https://github.com/Exiv2/exiv2/commit/b7890776c62398ca1005e8edc32786859d60fcf7
upstream: https://github.com/phako/exiv2/commit/73b874fb14d02578f876aa7dd404cf7c07b6dc4e

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