50035 : SSH Tectia Multiple Products CBC Mode Chosen Ciphertext 32-bit Chunk Plaintext Context Disclosure
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Timeline

Disclosure Date
2008-11-17

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2008-5161" target="_blank">CVE</a>)</em> : 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.

Classification

Attack Type: Cryptographic, Information Disclosure
Impact: Loss of Confidentiality
Solution: Patch / RCS, Upgrade
Disclosure: Vendor Verified
OSVDB: Security Software

Products

Unknown or Incomplete

References

Security Tracker: 1021235 1021236 1021382
OVAL ID: 11279
CVE ID: 2008-5161 (see also: NVD)
Bugtraq ID: 32319
Secunia Advisory ID: 32740 32760 32833 33121 33308 34857 36308 36558 38851 40234 51051
ISS X-Force ID: 46620
Related OSVDB ID: 49872 50036
CERT VU: 958563
VUPEN Advisory: ADV-2008-3172 ADV-2008-3173 ADV-2008-3409 ADV-2009-1135 ADV-2009-3184
Keyword: c01820968,HPSBMA02447,SSRT090062
Vendor Specific Advisory URL: http://aix.software.ibm.com/aix/efixes/security/openssh_advisory.asc
http://support.attachmate.com/techdocs/2398.html
http://wiki.rpath.com/wiki/Advisories:rPSA-2010-0011
http://www.ssh.com/company/news/article/953/
https://www13.itrc.hp.com/service/cki/docDisplay.do?docId=emr_na-c01820968
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2009-08/0111.html
http://archives.neohapsis.com/archives/fulldisclosure/2008-11/0350.html
http://lists.apple.com/archives/security-announce/2009/Nov/msg00000.html
http://marc.info/?l=bugtraq&m=125017764422557&w=2
Other Advisory URL: http://isc.sans.org/diary.html?storyid=5366
http://support.avaya.com/elmodocs2/security/ASA-2008-503.htm
http://www.cpni.gov.uk/Docs/Vulnerability_Advisory_SSH.txt
Vendor Specific News/Changelog Entry: http://openssh.org/txt/cbc.adv
http://support.apple.com/kb/HT3937
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004219
http://www.rtpro.yamaha.co.jp/RT/FAQ/Security/CPNI957037.html
Vendor Specific Solution URL: http://sunsolve.sun.com/search/document.do?assetkey=1-66-247186-1
RedHat RHSA: https://rhn.redhat.com/errata/RHSA-2009-1287.html

Tools & Filters

	4598 4761

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 2.6
Source: nvd.nist.gov | Generated: 2008-11-19 | Disagree?

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