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Ubuntu Security Notice USN-7011-2
September 17, 2024

clamav vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

Several security issues were fixed in ClamAV.

Software Description:
- clamav: Anti-virus utility for Unix

Details:

USN-7011-1 fixed several vulnerabilities in ClamAV. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

 It was discovered that ClamAV incorrectly handled certain PDF files. A
 remote attacker could possibly use this issue to cause ClamAV to crash,
 resulting in a denial of service. (CVE-2024-20505)

 It was discovered that ClamAV incorrectly handled logfile privileges. A
 local attacker could use this issue to cause ClamAV to overwrite arbitrary
 files, possibly leading to privilege escalation. (CVE-2024-20506)

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS
  clamav                          0.103.12+dfsg-0ubuntu0.18.04.1+esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  clamav                          0.103.12+dfsg-0ubuntu0.16.04.1+esm1
                                  Available with Ubuntu Pro

This update uses a new upstream release, which includes additional bug
fixes. In general, a standard system update will make all the necessary
changes.

References:
  https://ubuntu.com/security/notices/USN-7011-2
  https://ubuntu.com/security/notices/USN-7011-1
  CVE-2024-20505, CVE-2024-20506