58726 : IBM AIX libcsa.a Calendar Manager Service Daemon (rpc.cmsd) Remote Procedure 21 Overflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
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Timeline

Vendor Informed Date	Vendor Ack Date	Disclosure Date	Vendor Solution Date	Exploit Publish Date
2009-08-25	2009-08-25	2009-10-07	2009-10-07	2010-01-28

Time to Patch
43 days

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2009-3699" target="_blank">CVE</a>)</em> : Stack-based buffer overflow in libcsa.a (aka the calendar daemon library) in IBM AIX 5.x through 5.3.10 and 6.x through 6.1.3, and VIOS 2.1 and earlier, allows remote attackers to execute arbitrary code via a long XDR string in the first argument to procedure 21 of rpc.cmsd.

Classification

Location: Remote / Network Access
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Workaround, Patch / RCS
Exploit: Exploit Public, Exploit Private, Exploit Commercial
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

IBM has released a patch to address this issue. Additionally, it is possible to correct the flaw by implementing the following workaround(s): Remove the entry for rpc.cmsd from /etc/inetd.conf and refresh inetd so that inetd will no longer run the program.

Products

Unknown or Incomplete

References

Security Tracker: 1022996
CVE ID: 2009-3699 (see also: NVD)
Bugtraq ID: 36615
Secunia Advisory ID: 36978
ISS X-Force ID: 53681
Metasploit ID: 58726
VUPEN Advisory: ADV-2009-2846
Vendor Specific Advisory URL: http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc
Vendor Specific News/Changelog Entry: http://aix.software.ibm.com/aix/efixes/security/cmsd_advisory.asc
Generic Exploit URL: http://immunitysec.com
http://www.coresecurity.com/content/aix-rpc-cmsd-buffer-overflow-exploit-10
Other Advisory URL: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=825
http://www.ibm.com/support/docview.wss?uid=isg1IZ61628
http://www.ibm.com/support/docview.wss?uid=isg1IZ61717
http://www.ibm.com/support/docview.wss?uid=isg1IZ62123
http://www.ibm.com/support/docview.wss?uid=isg1IZ62237
http://www.ibm.com/support/docview.wss?uid=isg1IZ62569
http://www.ibm.com/support/docview.wss?uid=isg1IZ62570
http://www.ibm.com/support/docview.wss?uid=isg1IZ62571
http://www.ibm.com/support/docview.wss?uid=isg1IZ62572
http://www.ibm.com/support/docview.wss?uid=isg1IZ62672
http://www.vupen.com/english/advisories/2009/2846
https://www.immunityinc.com/downloads/immpartners/aixcmsd10092009.tar.gz
Mail List Post: http://seclists.org/bugtraq/2010/Feb/29

Credit

Rodrigo Rubira Branco (BSDaemon) - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2009-10-15 | Disagree?

Blogs

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This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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