CVE-2020-1700

Name	CVE-2020-1700
Description	A flaw was found in the way the Ceph RGW Beast front-end handles unexpected disconnects. An authenticated attacker can abuse this flaw by making multiple disconnect attempts resulting in a permanent leak of a socket connection by radosgw. This flaw could lead to a denial of service condition by pile up of CLOSE_WAIT sockets, eventually leading to the exhaustion of available resources, preventing legitimate users from connecting to the system.
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)
NVD severity	medium

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ceph (PTS)	jessie	0.80.7-2+deb8u2	fixed
	jessie (security)	0.80.7-2+deb8u4	fixed
	stretch (security), stretch	10.2.11-2	fixed
	buster	12.2.11+dfsg1-2.1	vulnerable
	bullseye, sid	14.2.9-1	fixed

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

Package	Type	Release	Fixed Version
ceph	source	(unstable)	14.2.7-1
ceph	source	jessie	(not affected)
ceph	source	stretch	(not affected)

Notes

[buster] - ceph <no-dsa> (Minor issue)
[stretch] - ceph <not-affected> (Vulnerable code introduced later)
[jessie] - ceph <not-affected> (Vulnerable code introduced later)
https://tracker.ceph.com/issues/42531
https://github.com/ceph/ceph/pull/33017
https://github.com/ceph/ceph/commit/ff72c50a2c43c57aead933eb4903ad1ca6d1748a