CVE-2014-3511

OpenSSL 1.0.1 - Protocol Downgrade via ClientHello Message Fragmentation

Title source: llm
STIX 2.1

Description

The ssl23_get_client_hello function in s23_srvr.c in OpenSSL 1.0.1 before 1.0.1i allows man-in-the-middle attackers to force the use of TLS 1.0 by triggering ClientHello message fragmentation in communication between a client and server that both support later TLS versions, related to a "protocol downgrade" issue.

References (62)

Core 62
Core References
Mailing List vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60221
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21682293
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61184
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=142660345230545&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60022
Vendor Advisory x_refsource_confirm
https://www.openssl.org/news/secadv_20140806.txt
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61017
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-0197.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60377
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=142350350616251&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59887
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21683389
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=142791032306609&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60890
Third Party Advisory vendor-advisory x_refsource_gentoo
http://security.gentoo.org/glsa/glsa-201412-39.xml
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=142495837901899&w=2
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60803
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59700
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1030693
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/95162
Various Sources x_refsource_confirm
http://www.splunk.com/view/SP-CAAANHS
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60917
Third Party Advisory x_refsource_confirm
http://www.tenable.com/security/tns-2014-06
Vendor Advisory vendor-advisory x_refsource_netbsd
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60493
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59710
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60921
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/69079
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61043
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60810
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61100
Vendor Advisory vendor-advisory x_refsource_freebsd
https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61775
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2014/dsa-2998
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=143290437727362&w=2
Mailing List, Third Party Advisory vendor-advisory x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61959
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59756
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1127504
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=142624590206005&w=2
Mailing List vendor-advisory x_refsource_hp
http://marc.info/?l=bugtraq&m=143290522027658&w=2
Vendor Advisory vendor-advisory x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2015-0126.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/58962
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60938
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/60684
Vendor Advisory x_refsource_confirm
https://support.citrix.com/article/CTX216642
Various Sources x_refsource_confirm
http://www-01.ibm.com/support/docview.wss?uid=swg21686997
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/61139
Various Sources x_refsource_confirm
http://linux.oracle.com/errata/ELSA-2014-1052.html
Various Sources x_refsource_confirm
https://techzone.ergon.ch/CVE-2014-3511

Scores

EPSS 0.0542
EPSS Percentile 90.2%

Details

Status published
Products (23)
openssl/openssl 1.0.0 (6 CPE variants)
openssl/openssl 1.0.0a
openssl/openssl 1.0.0b
openssl/openssl 1.0.0c
openssl/openssl 1.0.0d
openssl/openssl 1.0.0e
openssl/openssl 1.0.0f
openssl/openssl 1.0.0g
openssl/openssl 1.0.0h
openssl/openssl 1.0.0i
... and 13 more
Published Aug 13, 2014
Tracked Since Feb 18, 2026