DLA 2222-1: libexif security update
Package : libexif
Version : 0.6.21-2+deb8u3
CVE ID : CVE-2018-20030 CVE-2020-13112 CVE-2020-13113 CVE-2020-13114
Debian Bug : 918730 961407 961409 961410
Various minor vulnerabilities have been addredd in libexif, a library to
parse EXIF metadata files.
CVE-2018-20030
This issue had already been addressed via DLA-2214-1. However, upstream
provided an updated patch, so this has been followed up on.
CVE-2020-13112
Several buffer over-reads in EXIF MakerNote handling could have lead
to information disclosure and crashes. This issue is different from
already resolved CVE-2020-0093.
CVE-2020-13113
Use of uninitialized memory in EXIF Makernote handling could have
lead to crashes and potential use-after-free conditions.
CVE-2020-13114
An unrestricted size in handling Canon EXIF MakerNote data could have
lead to consumption of large amounts of compute time for decoding
EXIF data.
For Debian 8 "Jessie", these problems have been fixed in version
0.6.21-2+deb8u3.
We recommend that you upgrade your libexif packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
A libexif security update has been released for Debian GNU/Linux 8 LTS to address various minor vulnerabilities.
