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AUSCERT External Security Bulletin Redistribution
ESB-2021.1577
USN-4941-1: Exiv2 vulnerabilities
11 May 2021
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AusCERT Security Bulletin Summary
---------------------------------
Product: Exiv2
Publisher: Ubuntu
Operating System: Ubuntu
Windows
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Denial of Service -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2021-29470 CVE-2021-29458 CVE-2021-29457
CVE-2021-3482
Original Bulletin:
https://ubuntu.com/security/notices/USN-4941-1
Comment: This advisory references vulnerabilities in products which run on
platforms other than Ubuntu. It is recommended that administrators
running Exiv2 check for an updated version of the software for their
operating system.
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USN-4941-1: Exiv2 vulnerabilities
10 May 2021
Several security issues were fixed in Exiv2.
Releases
o Ubuntu 21.04
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
o Ubuntu 16.04 ESM
Packages
o exiv2 - EXIF/IPTC/XMP metadata manipulation tool
Details
It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to execute arbitrary code or cause
a crash. ( CVE-2021-29457 )
It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to cause a denial of service.
( CVE-2021-29458 , CVE-2021-29470 )
It was discovered that Exiv2 incorrectly handled certain images.
An attacker could possibly use this issue to execute arbitrary code or
cause a crash. ( CVE-2021-3482 )
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o libexiv2-27 - 0.27.3-3ubuntu1.1
Ubuntu 20.10
o libexiv2-27 - 0.27.3-3ubuntu0.2
Ubuntu 20.04
o libexiv2-27 - 0.27.2-8ubuntu2.2
Ubuntu 18.04
o libexiv2-14 - 0.25-3.1ubuntu0.18.04.7
Ubuntu 16.04
o libexiv2-14 - 0.25-2.1ubuntu16.04.7+esm1
Available with UA Infra or UA Desktop
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-29458
o CVE-2021-3482
o CVE-2021-29470
o CVE-2021-29457
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