CVE-2020-17509

Name	CVE-2020-17509
Description	ATS negative cache option is vulnerable to a cache poisoning attack. If you have this option enabled, please upgrade or disable this feature. Apache Traffic Server versions 7.0.0 to 7.1.11 and 8.0.0 to 8.1.0 are affected.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
References	DSA-4805-1
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
trafficserver (PTS)	buster, buster (security)	8.0.2+ds-1+deb10u5	fixed
	bullseye	8.1.1+ds-1.1	fixed
	bookworm, sid	9.1.1+ds-2	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
trafficserver	source	buster	8.0.2+ds-1+deb10u4		DSA-4805-1
trafficserver	source	(unstable)	8.1.1+ds-1

Notes

https://github.com/apache/trafficserver/pull/7359
https://lists.apache.org/thread.html/raa9f0589c26c4d146646425e51e2a33e1457492df9f7ea2019daa6d3%40%3Cdev.trafficserver.apache.org%3E