2161 : IBM AIX tsm Format String Privilege Escalation
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Timeline

Disclosure Date
2003-09-19

Description

IBM AIX contains a format string vulnerability in tsm bos.rte.security fileset that may allow a remote user to gain root privileges via login, and local users to gain privileges via login, su, or passwd. The issue is triggered when a username that contains format string specifiers is used. It is possible that the flaw may allow privilege escalation resulting in a loss of integrity.

Classification

Location: Local Access Required, Remote / Network Access, Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Exploit: Exploit Unknown

Solution

Upgrade AIX using the APAR numbers AIX 5.2.0: IY47764 or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround(s):
Setting the password prompt in /etc/security/login.cfg to a predefined value for example pwdprompt = "Password: "

Products

IBM Corporation

AIX

5.2.0

References

ISS X-Force ID: 13266
CVE ID: 2003-0784 (see also: NVD)
Bugtraq ID: 8648
Secunia Advisory ID: 9789
Vendor Specific Solution URL: http://www-1.ibm.com/support/docview.wss?uid=isg1IY47764
Other Advisory URL: http://www.cert-in.org.in/vulnerability/CIVN-2003-08.htm
http://www3.ca.com/securityadvisor/vulninfo/Vuln.aspx?ID=26055

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 10.0
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

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