==========================================================================
Ubuntu Security Notice USN-3546-1
January 24, 2018
gcab vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 17.10
– Ubuntu 16.04 LTS
Summary:
gcab could be made to crash or run programs if it opened a specially
crafted file.
Software Description:
– gcab: Microsoft Cabinet file manipulation tool
Details:
Richard Hughes discovered that gcab incorrectly handled certain malformed
cabinet files. If a user or automated system were tricked into opening a
specially crafted cabinet file, a remote attacker could use this issue to
cause gcab to crash, resulting in a denial of service, or possibly execute
arbitrary code.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 17.10:
gcab 0.7-4ubuntu0.1
libgcab-1.0-0 0.7-4ubuntu0.1
Ubuntu 16.04 LTS:
gcab 0.7-1ubuntu0.1
libgcab-1.0-0 0.7-1ubuntu0.1
After a standard system update you need to restart your session to make
all the necessary changes.
References:
https://www.ubuntu.com/usn/usn-3546-1
CVE-2018-5345
Package Information:
https://launchpad.net/ubuntu/+source/gcab/0.7-4ubuntu0.1
https://launchpad.net/ubuntu/+source/gcab/0.7-1ubuntu0.1
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