CVE-2016-2177

Name	CVE-2016-2177
Description	OpenSSL through 1.0.2h incorrectly uses pointer arithmetic for heap-buffer boundary checks, which might allow remote attackers to cause a denial of service (integer overflow and application crash) or possibly have unspecified other impact by leveraging unexpected malloc behavior, related to s3_srvr.c, ssl_sess.c, and t1_lib.c.
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	high (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+deb8u9	fixed
	stretch (security), stretch	1.1.0f-3+deb9u2	fixed
	buster	1.1.0h-4	fixed
	sid	1.1.1-1	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	low
openssl	source	jessie	1.0.1t-1+deb8u4	high	DSA-3673-1
openssl	source	wheezy	1.0.1t-1+deb7u1	high	DLA-637-1

Notes

Fixed in 1.0.2 branch in https://git.openssl.org/?p=openssl.git;a=commit;h=a004e72b95835136d3f1ea90517f706c24c03da7
https://www.openssl.org/blog/blog/2016/06/27/undefined-pointer-arithmetic/
https://www.openssl.org/news/secadv/20160922.txt
Fixed in 1.0.2i, 1.0.1u