Debian LTS Advisory ([SECURITY] [DLA 1953-1] clamav security update)

Published: 2019-10-11 02:00:08
CVE Author: NIST National Vulnerability Database

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:P/A:P

Summary:
The remote host is missing an update for the 'clamav' Linux Distribution Package(s) announced via the DSA-1953-1 advisory.

Detection Method:
Checks if a vulnerable Linux Distribution Package version is present on the target host.

Technical Details:
It was discovered that clamav, the open source antivirus engine, is affected by the following security vulnerabilities: CVE-2019-12625 Denial of Service (DoS) vulnerability, resulting from excessively long scan times caused by non-recursive zip bombs. Among others, this issue was mitigated by introducing a scan time limit. CVE-2019-12900 Out-of-bounds write in ClamAV's NSIS bzip2 library when attempting decompression in cases where the number of selectors exceeded the max limit set by the library. This update triggers a transition from libclamav7 to libclama9. As a result, several other Linux Distribution Packages will be recompiled against the fixed Linux Distribution Package after the release of this update: dansguardian, havp, python-pyclamav, c-icap-modules.

Affected Versions:
'clamav' Linux Distribution Package(s) on Debian Linux.

Recommendations:
For Debian 8 'Jessie', these problems have been fixed in version 0.101.4+dfsg-0+deb8u1. We recommend that you upgrade your clamav Linux Distribution Packages.

Solution Type:
Vendor Patch

Detection Type:
Linux Distribution Package

NIST (National Institute of Standards and Technology) NVD (National Vulnerability Database)

https://nvd.nist.gov/vuln/detail/CVE-2019-12625
https://nvd.nist.gov/vuln/detail/CVE-2019-12900

CVE Analysis

https://www.mageni.net/cve/CVE-2019-12625
https://www.mageni.net/cve/CVE-2019-12900

References:

https://lists.debian.org/debian-lts-announce/2019/10/msg00012.html
https://security-tracker.debian.org/tracker/DLA-1953-1
https://bugs.debian.org/34359

Severity
High
CVSS Score
7.5
Published
2019-10-11
Modified
2019-10-11
Category
Debian Local Security Checks

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