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AUSCERT External Security Bulletin Redistribution
ESB-2020.2074
USN-4396-1: libexif vulnerabilities
17 June 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: libexif
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-13114 CVE-2020-13113 CVE-2020-13112
CVE-2020-0198 CVE-2020-0182 CVE-2020-0093
Reference: ESB-2020.2069
ESB-2020.2059
ESB-2020.1888
ESB-2020.1759
Original Bulletin:
https://usn.ubuntu.com/4396-1/
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USN-4396-1: libexif vulnerabilities
16 June 2020
libexif vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
o Ubuntu 20.04 LTS
o Ubuntu 19.10
o Ubuntu 18.04 LTS
o Ubuntu 16.04 LTS
o Ubuntu 14.04 ESM
o Ubuntu 12.04 ESM
Summary
Several security issues were fixed in libexif.
Software Description
o libexif - library to parse EXIF files
Details
It was discovered that libexif incorrectly handled certain inputs. An attacker
could possibly use this issue to expose sensitive information. (CVE-2020-0093,
CVE-2020-0182)
It was discovered that libexif incorrectly handled certain inputs. An attacker
could possibly use this issue to cause a remote denial of service.
(CVE-2020-0198)
It was discovered that libexif incorrectly handled certain inputs. An attacker
could possibly use this issue to expose sensitive information or cause a crash.
(CVE-2020-13112)
It was discovered that libexif incorrectly handled certain inputs. An attacker
could possibly use this issue to cause a crash. (CVE-2020-13113)
It was discovered libexif incorrectly handled certain inputs. An attacker could
possibly use this issue to cause a denial of service. (CVE-2020-13114)
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 20.04 LTS
libexif12 - 0.6.21-6ubuntu0.3
Ubuntu 19.10
libexif12 - 0.6.21-5.1ubuntu0.5
Ubuntu 18.04 LTS
libexif12 - 0.6.21-4ubuntu0.5
Ubuntu 16.04 LTS
libexif12 - 0.6.21-2ubuntu0.5
Ubuntu 14.04 ESM
libexif12 - 0.6.21-1ubuntu1+esm5
Ubuntu 12.04 ESM
libexif12 - 0.6.20-2ubuntu0.6
To update your system, please follow these instructions: https://
wiki.ubuntu.com/Security/Upgrades .
After a standard system update you need to restart your session to effect the
necessary changes.
References
o CVE-2020-0093
o CVE-2020-0182
o CVE-2020-0198
o CVE-2020-13112
o CVE-2020-13113
o CVE-2020-13114
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