CVE-2015-2721 | BDVDB-2026-70281 Detail
Description#
Mozilla Network Security Services (NSS) before 3.19, as used in Mozilla Firefox before 39.0, Firefox ESR 31.x before 31.8 and 38.x before 38.1, Thunderbird before 38.1, and other products, does not properly determine state transitions for the TLS state machine, which allows man-in-the-middle attackers to defeat cryptographic protection mechanisms by blocking messages, as demonstrated by removing a forward-secrecy property by blocking a ServerKeyExchange message, aka a "SMACK SKIP-TLS" issue.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00033.html
- https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/NSS_3.19_release_notes
- http://www.securityfocus.com/bid/83398
- https://security.gentoo.org/glsa/201512-10
- https://security.gentoo.org/glsa/201701-46
- http://www.debian.org/security/2015/dsa-3336
- http://www.oracle.com/technetwork/security-advisory/cpujul2016-2881720.html
- http://www.securityfocus.com/bid/75541
- http://rhn.redhat.com/errata/RHSA-2015-1185.html
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- http://www.debian.org/security/2015/dsa-3324
- http://www.ubuntu.com/usn/USN-2672-1
- http://www.ubuntu.com/usn/USN-2673-1
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- http://www.securitytracker.com/id/1032784
- https://bugzilla.mozilla.org/show_bug.cgi?id=1086145
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00034.html
- http://www.mozilla.org/security/announce/2015/mfsa2015-71.html
- http://www.oracle.com/technetwork/security-advisory/cpuapr2016v3-2985753.html
- http://www.securityfocus.com/bid/91787
- http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00031.html
- http://rhn.redhat.com/errata/RHSA-2015-1664.html
- http://www.ubuntu.com/usn/USN-2656-1
- http://lists.opensuse.org/opensuse-security-announce/2015-08/msg00021.html
- https://smacktls.com
- http://www.securitytracker.com/id/1032783
- http://www.ubuntu.com/usn/USN-2656-2
- http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.