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AUSCERT External Security Bulletin Redistribution
ESB-2020.3322
yaws security update
28 September 2020
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AusCERT Security Bulletin Summary
---------------------------------
Product: yaws
Publisher: Debian
Operating System: Debian GNU/Linux 9
UNIX variants (UNIX, Linux, OSX)
Windows
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Access Confidential Data -- Remote/Unauthenticated
Resolution: Patch/Upgrade
CVE Names: CVE-2020-24916 CVE-2020-24379
Original Bulletin:
https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html
Comment: This advisory references vulnerabilities in products which run on
platforms other than Debian. It is recommended that administrators
running yaws check for an updated version of the software for their
operating system.
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Debian LTS Advisory DLA-2384-1 debian-lts@lists.debian.org
https://www.debian.org/lts/security/ Thorsten Alteholz
September 26, 2020 https://wiki.debian.org/LTS
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Package : yaws
Version : 2.0.4+dfsg-1+deb9u1
CVE ID : CVE-2020-24379 CVE-2020-24916
Two issues have been found in yaws, a high performance HTTP 1.1 webserver
written in Erlang.
CVE-2020-24379
Reject external resource requests in DAV in order to avoid
XML External Entity (XXE) attackes.
CVE-2020-24916
Sanitize CGI executable in order to avoid command injection
via CGI requests.
For Debian 9 stretch, these problems have been fixed in version
2.0.4+dfsg-1+deb9u1.
We recommend that you upgrade your yaws packages.
For the detailed security status of yaws please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/yaws
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
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