CVE-2016-6302

Name	CVE-2016-6302
Description	The tls_decrypt_ticket function in ssl/t1_lib.c in OpenSSL before 1.1.0 does not consider the HMAC size during validation of the ticket length, which allows remote attackers to cause a denial of service via a ticket that is too short.
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	DLA-637-1, DSA-3673-1
NVD severity	medium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
openssl (PTS)	jessie	1.0.1t-1+deb8u8	fixed
	jessie (security)	1.0.1t-1+deb8u11	fixed
	stretch	1.1.0j-1~deb9u1	fixed
	stretch (security)	1.1.0k-1~deb9u1	fixed
	bullseye, sid, buster	1.1.1c-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
openssl	source	(unstable)	1.0.2i-1	medium
openssl	source	jessie	1.0.1t-1+deb8u4	medium	DSA-3673-1
openssl	source	wheezy	1.0.1t-1+deb7u1	medium	DLA-637-1

Notes

https://git.openssl.org/?p=openssl.git;a=commit;h=e97763c92c655dcf4af2860b3abd2bc4c8a267f9
https://www.openssl.org/news/secadv/20160922.txt
Fixed in 1.0.2i, 1.0.1u