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AUSCERT External Security Bulletin Redistribution
ESB-2021.2104
USN-4987-1: ExifTool vulnerability
11 June 2021
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AusCERT Security Bulletin Summary
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Product: ExifTool
Publisher: Ubuntu
Operating System: Ubuntu
Impact/Access: Execute Arbitrary Code/Commands -- Existing Account
Resolution: Patch/Upgrade
CVE Names: CVE-2021-22204
Reference: ESB-2021.1659
ESB-2021.1495
Original Bulletin:
https://ubuntu.com/security/notices/USN-4987-1
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USN-4987-1: ExifTool vulnerability
10 June 2021
libimage-exiftool-perl could be made to crash if it opened a specially crafted
file.
Releases
o Ubuntu 21.04
o Ubuntu 20.10
o Ubuntu 20.04 LTS
o Ubuntu 18.04 LTS
Packages
o libimage-exiftool-perl - library and program to read and write meta
information in multime
Details
It was discovered that ExifTool did not properly sanitize user data for the
DjVu file format. An attacker could use this vulnerability to cause a DoS or
possibly execute arbitrary code.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 21.04
o libimage-exiftool-perl - 12.16+dfsg-1ubuntu0.1
Ubuntu 20.10
o libimage-exiftool-perl - 12.05-1ubuntu0.1
Ubuntu 20.04
o libimage-exiftool-perl - 11.88-1ubuntu0.1
Ubuntu 18.04
o libimage-exiftool-perl - 10.80-1ubuntu0.1
In general, a standard system update will make all the necessary changes.
References
o CVE-2021-22204
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