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Debian LTS: Security Advisory for libexif (DLA-2222-1)

Information

Severity

Severity

High

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

7.8

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Solution Type

Solution Type

Vendor Patch

Created

Created

3 years ago

Modified

Modified

3 years ago

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.

Common Vulnerabilities and Exposures (CVE)