XML External Entity (XXE) Injection The advisory has been revoked - it doesn't affect any version of package yaws (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU1604-YAWS-1015794
- published6 Oct 2020
- disclosed9 Sept 2020
Introduced: 9 Sep 2020
CVE-2020-24379 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:16.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream yaws package and not the yaws package as distributed by Ubuntu.
WebDAV implementation in Yaws web server versions 1.81 to 2.0.7 is vulnerable to XXE injection.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-24379
- https://www.debian.org/security/2020/dsa-4773
- https://github.com/erlyaws/yaws/commits/master
- https://github.com/vulnbe/poc-yaws-dav-xxe
- https://packetstormsecurity.com/files/159106/Yaws-2.0.7-XML-Injection-Command-Injection.html
- https://vuln.be/post/yaws-xxe-and-shell-injections/
- https://lists.debian.org/debian-lts-announce/2020/09/msg00022.html
- https://usn.ubuntu.com/4569-1/