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.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openssl | Openssl | 1.0.0 (including) | 1.0.0 (including) |
| Openssl | Openssl | 1.0.0-beta1 (including) | 1.0.0-beta1 (including) |
| Openssl | Openssl | 1.0.0-beta2 (including) | 1.0.0-beta2 (including) |
| Openssl | Openssl | 1.0.0-beta3 (including) | 1.0.0-beta3 (including) |
| Openssl | Openssl | 1.0.0-beta4 (including) | 1.0.0-beta4 (including) |
| Openssl | Openssl | 1.0.0-beta5 (including) | 1.0.0-beta5 (including) |
| Openssl | Openssl | 1.0.0a (including) | 1.0.0a (including) |
| Openssl | Openssl | 1.0.0b (including) | 1.0.0b (including) |
| Openssl | Openssl | 1.0.0c (including) | 1.0.0c (including) |
| Openssl | Openssl | 1.0.0d (including) | 1.0.0d (including) |
| Openssl | Openssl | 1.0.0e (including) | 1.0.0e (including) |
| Openssl | Openssl | 1.0.0f (including) | 1.0.0f (including) |
| Openssl | Openssl | 1.0.0g (including) | 1.0.0g (including) |
| Openssl | Openssl | 1.0.0h (including) | 1.0.0h (including) |
| Openssl | Openssl | 1.0.0i (including) | 1.0.0i (including) |
| Openssl | Openssl | 1.0.0j (including) | 1.0.0j (including) |
| Openssl | Openssl | 1.0.0k (including) | 1.0.0k (including) |
| Openssl | Openssl | 1.0.0l (including) | 1.0.0l (including) |
| Openssl | Openssl | 1.0.0m (including) | 1.0.0m (including) |
| Openssl | Openssl | 1.0.1 (including) | 1.0.1 (including) |
| Openssl | Openssl | 1.0.1-beta1 (including) | 1.0.1-beta1 (including) |
| Openssl | Openssl | 1.0.1-beta2 (including) | 1.0.1-beta2 (including) |
| Openssl | Openssl | 1.0.1-beta3 (including) | 1.0.1-beta3 (including) |
| Openssl | Openssl | 1.0.1a (including) | 1.0.1a (including) |
| Openssl | Openssl | 1.0.1b (including) | 1.0.1b (including) |
| Openssl | Openssl | 1.0.1c (including) | 1.0.1c (including) |
| Openssl | Openssl | 1.0.1d (including) | 1.0.1d (including) |
| Openssl | Openssl | 1.0.1e (including) | 1.0.1e (including) |
| Openssl | Openssl | 1.0.1f (including) | 1.0.1f (including) |
| Openssl | Openssl | 1.0.1g (including) | 1.0.1g (including) |
| Openssl | Openssl | 1.0.1h (including) | 1.0.1h (including) |
| Red Hat Enterprise Linux 6 | RedHat | openssl-0:1.0.1e-16.el6_5.15 | * |
| Red Hat Enterprise Linux 7 | RedHat | openssl-1:1.0.1e-34.el7_0.4 | * |
| Red Hat Storage 2.1 | RedHat | openssl-0:1.0.1e-16.el6_5.15 | * |
| RHEV 3.X Hypervisor and Agents for RHEL-6 | RedHat | rhev-hypervisor6-0:6.6-20150123.1.el6ev | * |
| RHEV Manager version 3.5 | RedHat | spice-client-msi-0:3.5-2 | * |
| Openssl | Ubuntu | devel | * |
| Openssl | Ubuntu | esm-infra-legacy/trusty | * |
| Openssl | Ubuntu | precise | * |
| Openssl | Ubuntu | trusty | * |
| Openssl | Ubuntu | trusty/esm | * |
| Openssl | Ubuntu | upstream | * |
References
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc
- http://linux.oracle.com/errata/ELSA-2014-1052.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html
- http://marc.info/?l=bugtraq\u0026m=142350350616251\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142495837901899\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142624590206005\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142660345230545\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142791032306609\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=143290437727362\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=143290522027658\u0026w=2
- http://rhn.redhat.com/errata/RHSA-2015-0126.html
- http://rhn.redhat.com/errata/RHSA-2015-0197.html
- http://secunia.com/advisories/58962
- http://secunia.com/advisories/59700
- http://secunia.com/advisories/59710
- http://secunia.com/advisories/59756
- http://secunia.com/advisories/59887
- http://secunia.com/advisories/60022
- http://secunia.com/advisories/60221
- http://secunia.com/advisories/60377
- http://secunia.com/advisories/60493
- http://secunia.com/advisories/60684
- http://secunia.com/advisories/60803
- http://secunia.com/advisories/60810
- http://secunia.com/advisories/60890
- http://secunia.com/advisories/60917
- http://secunia.com/advisories/60921
- http://secunia.com/advisories/60938
- http://secunia.com/advisories/61017
- http://secunia.com/advisories/61043
- http://secunia.com/advisories/61100
- http://secunia.com/advisories/61139
- http://secunia.com/advisories/61184
- http://secunia.com/advisories/61775
- http://secunia.com/advisories/61959
- http://security.gentoo.org/glsa/glsa-201412-39.xml
- http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15564.html
- http://www-01.ibm.com/support/docview.wss?uid=nas8N1020240
- http://www-01.ibm.com/support/docview.wss?uid=swg21682293
- http://www-01.ibm.com/support/docview.wss?uid=swg21683389
- http://www-01.ibm.com/support/docview.wss?uid=swg21686997
- http://www.arubanetworks.com/support/alerts/aid-08182014.txt
- http://www.debian.org/security/2014/dsa-2998
- http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm
- http://www.securityfocus.com/bid/69079
- http://www.securitytracker.com/id/1030693
- http://www.splunk.com/view/SP-CAAANHS
- http://www.tenable.com/security/tns-2014-06
- https://bugzilla.redhat.com/show_bug.cgi?id=1127504
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95162
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=280b1f1ad12131defcd986676a8fc9717aaa601b
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10084
- https://lists.balabit.hu/pipermail/syslog-ng-announce/2014-September/000196.html
- https://support.citrix.com/article/CTX216642
- https://techzone.ergon.ch/CVE-2014-3511
- https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc
- https://www.openssl.org/news/secadv_20140806.txt
- ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc
- http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc
- http://linux.oracle.com/errata/ELSA-2014-1052.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html
- http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html
- http://lists.opensuse.org/opensuse-updates/2014-08/msg00036.html
- http://marc.info/?l=bugtraq\u0026m=142350350616251\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142495837901899\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142624590206005\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142660345230545\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=142791032306609\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=143290437727362\u0026w=2
- http://marc.info/?l=bugtraq\u0026m=143290522027658\u0026w=2
- http://rhn.redhat.com/errata/RHSA-2015-0126.html
- http://rhn.redhat.com/errata/RHSA-2015-0197.html
- http://secunia.com/advisories/58962
- http://secunia.com/advisories/59700
- http://secunia.com/advisories/59710
- http://secunia.com/advisories/59756
- http://secunia.com/advisories/59887
- http://secunia.com/advisories/60022
- http://secunia.com/advisories/60221
- http://secunia.com/advisories/60377
- http://secunia.com/advisories/60493
- http://secunia.com/advisories/60684
- http://secunia.com/advisories/60803
- http://secunia.com/advisories/60810
- http://secunia.com/advisories/60890
- http://secunia.com/advisories/60917
- http://secunia.com/advisories/60921
- http://secunia.com/advisories/60938
- http://secunia.com/advisories/61017
- http://secunia.com/advisories/61043
- http://secunia.com/advisories/61100
- http://secunia.com/advisories/61139
- http://secunia.com/advisories/61184
- http://secunia.com/advisories/61775
- http://secunia.com/advisories/61959
- http://security.gentoo.org/glsa/glsa-201412-39.xml
- http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15564.html
- http://www-01.ibm.com/support/docview.wss?uid=nas8N1020240
- http://www-01.ibm.com/support/docview.wss?uid=swg21682293
- http://www-01.ibm.com/support/docview.wss?uid=swg21683389
- http://www-01.ibm.com/support/docview.wss?uid=swg21686997
- http://www.arubanetworks.com/support/alerts/aid-08182014.txt
- http://www.debian.org/security/2014/dsa-2998
- http://www.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-372998.htm
- http://www.securityfocus.com/bid/69079
- http://www.securitytracker.com/id/1030693
- http://www.splunk.com/view/SP-CAAANHS
- http://www.tenable.com/security/tns-2014-06
- https://bugzilla.redhat.com/show_bug.cgi?id=1127504
- https://exchange.xforce.ibmcloud.com/vulnerabilities/95162
- https://git.openssl.org/gitweb/?p=openssl.git%3Ba=commit%3Bh=280b1f1ad12131defcd986676a8fc9717aaa601b
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150888
- https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158380
- https://kc.mcafee.com/corporate/index?page=content\u0026id=SB10084
- https://lists.balabit.hu/pipermail/syslog-ng-announce/2014-September/000196.html
- https://support.citrix.com/article/CTX216642
- https://techzone.ergon.ch/CVE-2014-3511
- https://www.freebsd.org/security/advisories/FreeBSD-SA-14:18.openssl.asc
- https://www.openssl.org/news/secadv_20140806.txt