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vulnerability alert CVE-2009-3555

TLS, OpenSSL, GnuTLS: vulnerability of the renegotiation

Synthesis of the vulnerability

A remote attacker can use a vulnerability of TLS in order to insert plain text data during a renegotiation via a man-in-the-middle attack.
Vulnerable software: Apache httpd, ArubaOS, BES, ProxySG par Blue Coat, SGOS by Blue Coat, Cisco ASR, ASA, AsyncOS, Cisco Catalyst, CiscoWorks, Cisco CSS, IOS by Cisco, IOS XR Cisco, IronPort Email, IronPort Management, Cisco Router, Secure ACS, Cisco CallManager, Cisco CUCM, Cisco IP Phone, WebNS, XenApp, XenDesktop, XenServer, Debian, BIG-IP Hardware, TMOS, Fedora, FortiOS, FreeBSD, HP-UX, AIX, WebSphere AS Traditional, IVE OS, Juniper J-Series, Junos OS, NSM Central Manager, NSMXpress, Juniper SA, Juniper SBR, Mandriva Linux, Mandriva NF, IIS, Windows 2000, Windows 2003, Windows 2008 R0, Windows 2008 R2, Windows 7, Windows Vista, Windows XP, NSS, NetBSD, NetScreen Firewall, ScreenOS, NLD, OES, OpenBSD, OpenSolaris, OpenSSL, openSUSE, Oracle Directory Server, Oracle GlassFish Server, Oracle iPlanet Web Proxy Server, Oracle iPlanet Web Server, Solaris, Trusted Solaris, ProFTPD, SSL protocol, RHEL, Slackware, Sun AS, SUSE Linux Enterprise Desktop, SLES, TurboLinux, Unix (platform) ~ not comprehensive, ESX.
Severity of this announce: 2/4.
Consequences of an intrusion: data creation/edition.
Attacker's origin: internet client.
Creation date: 10/11/2009.
Références of this computer vulnerability: 1021653, 111046, 273029, 273350, 274990, 6898371, 6898539, 6898546, 6899486, 6899619, 6900117, 977377, AID-020810, BID-36935, c01945686, c01963123, c02079216, CERTA-2011-ALE-005, CERTFR-2017-AVI-392, CERTFR-2019-AVI-325, cisco-sa-20091109-tls, CTX123248, CTX123359, CVE-2009-3555, DSA-1934-1, DSA-2141-1, DSA-2141-2, DSA-2141-4, DSA-2626-1, DSA-3253-1, FEDORA-2009-12229, FEDORA-2009-12305, FEDORA-2009-12606, FEDORA-2009-12750, FEDORA-2009-12775, FEDORA-2009-12782, FEDORA-2009-12968, FEDORA-2009-13236, FEDORA-2009-13250, FEDORA-2010-1127, FEDORA-2010-3905, FEDORA-2010-3929, FEDORA-2010-3956, FEDORA-2010-5357, FEDORA-2010-8742, FEDORA-2010-9487, FEDORA-2010-9518, FG-IR-17-137, FreeBSD-SA-09:15.ssl, HPSBUX02482, HPSBUX02498, HPSBUX02517, JSA10939, KB25966, MDVSA-2009:295, MDVSA-2009:323, MDVSA-2009:337, MDVSA-2010:069, MDVSA-2010:076, MDVSA-2010:076-1, MDVSA-2010:089, MDVSA-2013:019, NetBSD-SA2010-002, openSUSE-SU-2010:1025-1, openSUSE-SU-2010:1025-2, openSUSE-SU-2011:0845-1, PM04482, PM04483, PM04534, PM04544, PM06400, PSN-2011-06-290, PSN-2012-11-767, RHSA-2009:1579-02, RHSA-2009:1580-02, RHSA-2010:0011-01, RHSA-2010:0119-01, RHSA-2010:0130-01, RHSA-2010:0155-01, RHSA-2010:0162-01, RHSA-2010:0163-01, RHSA-2010:0164-01, RHSA-2010:0165-01, RHSA-2010:0166-01, RHSA-2010:0167-01, SOL10737, SSA:2009-320-01, SSA:2010-067-01, SSRT090249, SSRT090264, SSRT100058, SUSE-SA:2009:057, SUSE-SA:2010:020, SUSE-SR:2010:008, SUSE-SR:2010:012, SUSE-SR:2011:008, SUSE-SU-2011:0847-1, TLSA-2009-30, TLSA-2009-32, VIGILANCE-VUL-9181, VMSA-2010-0015, VMSA-2010-0015.1, VMSA-2010-0019, VMSA-2010-0019.1, VMSA-2010-0019.2, VMSA-2010-0019.3, VU#120541.

Description of the vulnerability

Transport Layer Security (TLS) is a cryptographic protocol for network transport.

When opening a connection using TLS, a negotiation mechanism allows the client and server to agree on the encryption algorithm to use.

The protocol allows for renegotiation at any time during the connection. However, the handling of those renegotiations has a vulnerability.

A remote attacker can therefore exploit this vulnerability in order to insert plain text data via a man-in-the-middle attack.
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