An awstats security update has been released for Debian GNU/Linux 9 LTS to address an issue with path traversal attacks.

DLA 2506-1: awstats security update

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Debian LTS Advisory DLA-2506-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/
December 23, 2020   https://wiki.debian.org/LTS
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Package : awstats
Version : 7.6+dfsg-1+deb9u2
CVE ID : CVE-2020-29600 CVE-2020-35176
Debian Bug : 891469 977190

It was discovered that Awstats, a web server log analyzer, was
vulnerable to path traversal attacks. A remote unauthenticated
attacker could leverage that to perform arbitrary code execution. The
previous fix did not fully address the issue when the default
/etc/awstats/awstats.conf is not present.

For Debian 9 stretch, this problem has been fixed in version
7.6+dfsg-1+deb9u2.

We recommend that you upgrade your awstats packages.

For the detailed security status of awstats please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/awstats

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://wiki.debian.org/LTS