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CVE-2014-3511

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Date: August 13, 2014

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.

Language: C#

Severity Score

5.0

Related Resources (67)

Url: http://secunia.com/advisories/59710

Url: http://secunia.com/advisories/61959

Url: https://techzone.ergon.ch/CVE-2014-3511

Url: https://exchange.xforce.ibmcloud.com/vulnerabilities/95162

Url: http://secunia.com/advisories/59756

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21686997

Url: https://nvd.nist.gov/vuln/detail/CVE-2014-3511

Url: http://marc.info/?l=bugtraq&m=142791032306609&w=2

Url: https://security-tracker.debian.org/tracker/CVE-2014-3511

Url: https://www.openssl.org/news/secadv_20140806.txt

Url: http://secunia.com/advisories/60022

Url: http://secunia.com/advisories/60221

Url: http://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html

Url: http://www.debian.org/security/2014/dsa-2998

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888

Url: http://www.securityfocus.com/bid/69079

Url: http://secunia.com/advisories/59887

Url: http://marc.info/?l=bugtraq&m=143290522027658&w=2

Url: http://marc.info/?l=bugtraq&m=142660345230545&w=2

Url: http://secunia.com/advisories/60917

Url: https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=280b1f1ad12131defcd986676a8fc9717aaa601b

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2014-3511

Url: https://bugzilla.redhat.com/show_bug.cgi?id=1127504

Url: http://secunia.com/advisories/61043

Url: http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html

Url: https://support.citrix.com/article/CTX216642

Url: http://secunia.com/advisories/58962

Url: http://secunia.com/advisories/61139

Url: http://secunia.com/advisories/60921

Url: http://marc.info/?l=bugtraq&m=142495837901899&w=2

Url: http://secunia.com/advisories/60803

Url: http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html

Url: http://www.arubanetworks.com/support/alerts/aid-08182014.txt

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21682293

Url: http://marc.info/?l=bugtraq&m=142350350616251&w=2

Url: http://www-01.ibm.com/support/docview.wss?uid=swg21683389

Url: http://www.securitytracker.com/id/1030693

Url: https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc

Url: http://security.gentoo.org/glsa/glsa-201412-39.xml

Url: http://www.splunk.com/view/SP-CAAANHS

Url: https://access.redhat.com/security/cve/CVE-2014-3511

Url: http://secunia.com/advisories/60684

Url: http://linux.oracle.com/errata/ELSA-2014-1052.html

Url: http://marc.info/?l=bugtraq&m=143290437727362&w=2

Url: http://secunia.com/advisories/61017

Url: http://rhn.redhat.com/errata/RHSA-2015-0197.html

Url: http://secunia.com/advisories/61775

Url: http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc

Url: https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380

Url: http://secunia.com/advisories/59700

Url: http://secunia.com/advisories/60810

Url: http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15564.html

Url: http://www-01.ibm.com/support/docview.wss?uid=nas8N1020240

Url: http://secunia.com/advisories/60938

Url: https://kc.mcafee.com/corporate/index?page=content&id=SB10084

Url: http://marc.info/?l=bugtraq&m=142624590206005&w=2

Url: http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm

Url: http://www.tenable.com/security/tns-2014-06

Url: ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc

Url: http://rhn.redhat.com/errata/RHSA-2015-0126.html

Url: http://secunia.com/advisories/61184

Url: http://secunia.com/advisories/60493

Url: http://secunia.com/advisories/60890

Url: http://secunia.com/advisories/61100

Url: https://lists.balabit.hu/pipermail/syslog-ng-announce/2014-September/000196.html

Url: http://secunia.com/advisories/60377

Url: https://www.mend.io/vulnerability-database/CVE-2014-3511

Severity Score

5.0

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

Upgrade Version

Upgrade to version 1.0.1i

CVSS v3

Base Score:	5.0
Attack Vector (AV):
Attack Complexity (AC):
Privileges Required (PR):
User Interaction (UI):
Scope (S):
Confidentiality (C):	NONE
Integrity (I):	NONE
Availability (A):	PARTIAL

CVSS v2

Base Score:	2.6
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C):	LOW
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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