CVE-2016-8610

NameCVE-2016-8610
DescriptionA denial of service flaw was found in OpenSSL 0.9.8, 1.0.1, 1.0.2 through 1.0.2h, and 1.1.0 in the way the TLS/SSL protocol defined processing of ALERT packets during a connection handshake. A remote attacker could use this flaw to make a TLS/SSL server consume an excessive amount of CPU and fail to accept connections from other clients.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-814-1, DSA-3773-1
NVD severitymedium (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
openssl (PTS)wheezy1.0.1e-2+deb7u20vulnerable
wheezy (security)1.0.1t-1+deb7u3fixed
jessie (security), jessie1.0.1t-1+deb8u7fixed
stretch (security), stretch1.1.0f-3+deb9u1fixed
buster, sid1.1.0g-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
opensslsource(unstable)1.0.2j-1medium
opensslsourcejessie1.0.1t-1+deb8u6mediumDSA-3773-1
opensslsourcewheezy1.0.1t-1+deb7u2mediumDLA-814-1

Notes

http://www.openwall.com/lists/oss-security/2016/10/24/3
Fixed by: https://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=af58be768ebb690f78530f796e92b8ae5c9a4401
https://bugzilla.redhat.com/show_bug.cgi?id=1384743 mentions countermeasures in gnutls
https://gitlab.com/gnutls/gnutls/commit/1ffb827e45721ef56982d0ffd5c5de52376c428e

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