CVE-2020-1700

NameCVE-2020-1700
DescriptionA 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.
SourceCVE (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 severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ceph (PTS)jessie0.80.7-2+deb8u2fixed
jessie (security)0.80.7-2+deb8u4fixed
stretch (security), stretch10.2.11-2fixed
buster12.2.11+dfsg1-2.1vulnerable
bullseye, sid14.2.9-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cephsource(unstable)14.2.7-1
cephsourcejessie(not affected)
cephsourcestretch(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

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