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Debian LTS: Security Advisory for libexif (DLA-2222-1)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
The remote host is missing an update for the 'libexif' package(s) announced via the DLA-2222-1 advisory.
Insight
Insight
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.
Affected Software
Affected Software
'libexif' package(s) on Debian Linux.
Detection Method
Detection Method
Checks if a vulnerable package version is present on the target host.
Solution
Solution
For Debian 8 'Jessie', these problems have been fixed in version 0.6.21-2+deb8u3. We recommend that you upgrade your libexif packages.