2161 : IBM AIX tsm Format String Privilege Escalation
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Disclosure Date


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.


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


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: "


IBM Corporation



Unknown or Incomplete

CVSSv2 Score

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

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_2 Integrity_impact_2 Availability_impact_2


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