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Ubuntu Security Notice USN-4146-2

Ubuntu Security Notice USN-4146-2
Posted Oct 3, 2019
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4146-2 - USN-4146-1 fixed several vulnerabilities in ClamAV. This update provides the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM. It was discovered that ClamAV incorrectly handled unpacking ZIP files. A remote attacker could possibly use this issue to cause ClamAV to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, vulnerability
systems | linux, ubuntu
advisories | CVE-2019-12625, CVE-2019-12900
SHA-256 | 21d34e5e97db5f7afce7e5e633c0ef1b7c9232d6c081c9c3e8c1940fbde11743

Ubuntu Security Notice USN-4146-2

Change Mirror Download
=========================================================================
Ubuntu Security Notice USN-4146-2
October 03, 2019

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

- Ubuntu 14.04 ESM
- Ubuntu 12.04 ESM

Summary:

Several security issues were fixed in ClamAV.

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

Details:

USN-4146-1 fixed several vulnerabilities in ClamAV. This update provides
the corresponding update for Ubuntu 12.04 ESM and Ubuntu 14.04 ESM.

Original advisory details:

It was discovered that ClamAV incorrectly handled unpacking ZIP files. A
remote attacker could possibly use this issue to cause ClamAV to crash,
resulting in a denial of service. (CVE-2019-12625)

It was discovered that ClamAV incorrectly handled unpacking bzip2 files. A
remote attacker could use this issue to cause ClamAV to crash, resulting in
a denial of service, or possibly execute arbitrary code. (CVE-2019-12900)

Update instructions:

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

Ubuntu 14.04 ESM:
clamav 0.101.4+dfsg-0ubuntu0.14.04.1+esm1

Ubuntu 12.04 ESM:
clamav 0.101.4+dfsg-0ubuntu0.12.04.1

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://usn.ubuntu.com/4146-2
https://usn.ubuntu.com/4146-1
CVE-2019-12625, CVE-2019-12900
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