40403 : IBM AIX libdns_secure.a / libdns_nonsecure.a dns_name_fromtext Function Local Underflow
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
6	324	over 4 years ago	about 1 year ago	6 times	55%

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Timeline

Vendor Informed Date	Vendor Ack Date	Disclosure Date	Vendor Solution Date
2007-08-30	2007-09-14	2007-10-30	2007-10-30

Time to Patch	Time to Vendor Response
61 days	15 days

Description

<em style='font-weight:bold;'>(Description Provided by <a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=2007-4622" target="_blank">CVE</a>)</em> : Integer underflow in the dns_name_fromtext function in (1) libdns_nonsecure.a and (2) libdns_secure.a in IBM AIX 5.2 allows local users to gain privileges via a crafted "-y" (TSIG key) command line argument to dig.

Classification

Location: Local Access Required
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Private
Disclosure: Vendor Verified, Coordinated Disclosure

Solution

IBM has released a patch to address this vulnerability. Additionally, it is possible to temporarily work around the flaw by implementing the following workaround: Removing the set-uid bit from the dig program will prevent exploitation.

Products

Unknown or Incomplete

References

Security Tracker: 1018871
CVE ID: 2007-4622 (see also: NVD)
Bugtraq ID: 26262
Secunia Advisory ID: 27437
ISS X-Force ID: 38169
Related OSVDB ID: 40393 40394 40395 40396 40397 40398 40399 40400 40401 40402 40404 40405 40406 40407
VUPEN Advisory: ADV-2007-3669
Vendor Specific News/Changelog Entry: ftp://aix.software.ibm.com/aix/efixes/security/dig_ifix.tar http://www.ibm.com/support/docview.wss?uid=isg1IZ05017
Mail List Post: http://archives.neohapsis.com/archives/bugtraq/2007-10/0434.html
Other Advisory URL: http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=613
http://www.ibm.com/support/docview.wss?uid=isg1IZ05017

Credit

Anonymous - iDefense Labs VCP

CVSSv2 Score

CVSSv2 Base Score = 7.2
Source: nvd.nist.gov | Generated: 2007-11-06 | 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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