CVE-2008-5161

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    CVE-2008-5161

    Published: 19 Nov 2008Last Modified: 10 Apr 2026

    Summary:

    Details: Error handling in the SSH protocol in (1) SSH Tectia Client and Server and Connector 4.0 through 4.4.11, 5.0 through 5.2.4, and 5.3 through 5.3.8; Client and Server and ConnectSecure 6.0 through 6.0.4; Server for Linux on IBM System z 6.0.4; Server for IBM z/OS 5.5.1 and earlier, 6.0.0, and 6.0.1; and Client 4.0-J through 4.3.3-J and 4.0-K through 4.3.10-K; and (2) OpenSSH 4.7p1 and possibly other versions, when using a block cipher algorithm in Cipher Block Chaining (CBC) mode, makes it easier for remote attackers to recover certain plaintext data from an arbitrary block of ciphertext in an SSH session via unknown vectors.

    References: http://rhn.redhat.com/errata/RHSA-2009-1287.html, http://secunia.com/advisories/32740, http://secunia.com/advisories/32760, http://secunia.com/advisories/32833, http://secunia.com/advisories/33121, http://secunia.com/advisories/33308, http://secunia.com/advisories/34857, http://secunia.com/advisories/36558, http://www.ssh.com/company/news/article/953/, http://www.vupen.com/english/advisories/2008/3172, http://www.vupen.com/english/advisories/2008/3173, http://www.vupen.com/english/advisories/2008/3409, http://www.vupen.com/english/advisories/2009/1135, http://www.vupen.com/english/advisories/2009/3184, http://isc.sans.org/diary.html?storyid=5366, http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10705, http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html, http://marc.info/?l=bugtraq&m=125017764422557&w=2, http://openssh.org/txt/cbc.adv, http://osvdb.org/49872, http://osvdb.org/50035, http://osvdb.org/50036, http://sunsolve.sun.com/search/document.do?assetkey=1-66-247186-1, http://support.apple.com/kb/HT3937, http://support.attachmate.com/techdocs/2398.html, http://support.avaya.com/elmodocs2/security/ASA-2008-503.htm, http://www.cpni.gov.uk/Docs/Vulnerability_Advisory_SSH.txt, http://www.kb.cert.org/vuls/id/958563, http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/CPNI957037.html, http://www.securityfocus.com/archive/1/498558/100/0/threaded, http://www.securityfocus.com/archive/1/498579/100/0/threaded, http://www.securityfocus.com/bid/32319, http://www.securitytracker.com/id?1021235, http://www.securitytracker.com/id?1021236, http://www.securitytracker.com/id?1021382, https://exchange.xforce.ibmcloud.com/vulnerabilities/46620, https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05157667, https://kc.mcafee.com/corporate/index?page=content&id=SB10106, https://kc.mcafee.com/corporate/index?page=content&id=SB10163, https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11279

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High