Ubuntu Security Notice 3722-6 - USN-3722-1 fixed vulnerabilities in ClamAV. The new package introduced an issue which caused dpkg-reconfigure to enter an infinite loop. This update fixes the problem. It was discovered that ClamAV incorrectly handled parsing certain HWP files. A remote attacker could use this issue to cause ClamAV to hang, resulting in a denial of service. Various other issues were also addressed.
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Ubuntu Security Notice USN-3722-6
September 18, 2018
clamav vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 ESM
Summary:
USN-3722-1 introduced a regression in ClamAV.
Software Description:
- clamav: Anti-virus utility for Unix
Details:
USN-3722-1 fixed vulnerabilities in ClamAV. The new package introduced
an issue which caused dpkg-reconfigure to enter an infinite loop. This
update fixes the problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that ClamAV incorrectly handled parsing certain HWP
files. A remote attacker could use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2018-0360)
It was discovered that ClamAV incorrectly handled parsing certain PDF
files. A remote attacker could use this issue to cause ClamAV to hang,
resulting in a denial of service. (CVE-2018-0361)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 12.04 ESM:
clamav 0.100.1+dfsg-1ubuntu0.12.04.4
In general, a standard system update will make all the necessary
changes.
References:
https://usn.ubuntu.com/usn/usn-3722-6
https://usn.ubuntu.com/usn/usn-3722-1
https://launchpad.net/bugs/1792051