Title: Multiple Vendor CDE dtaction Userflag Buffer Overflow Vulnerability
Severity: HIGH
Description:
CDE is the Common Desktop Environment, an implementation of a Desktop Manager for systems that run X. It is distributed with various commercial UNIX implementations.
A problem has been discovered in one of the included programs that could allow a local user to gain elevated privileges. The problem is in the dtaction program.
dtaction is a program which allows applications or shell scripts that otherwise are not connected into the CDE development environment, to request that CDE actions be performed.
Under some distributions of CDE Common Desktop Environment, the dtaction program has a locally exploitable buffer overflow condition. The buffer overflow condition exists in the argument parsing code for the -u (user) function. Any information provided by the user over 1024 bytes may overwrite the buffer and in return be exploited by a malicious user.
Since the dtaction program is typically installed setuid root, this make it possible for a local user to gain administrative access on a vulnerable system.
Affected Products:
- Digital (Compaq) TRU64/DIGITAL UNIX 4.0.0d
- Digital (Compaq) TRU64/DIGITAL UNIX 4.0.0e
- Digital (Compaq) TRU64/DIGITAL UNIX 4.0.0f
- IBM AIX 4.2.0
- IBM AIX 4.2.1
- IBM AIX 4.3.0
- IBM AIX 4.3.1
- IBM AIX 4.3.2
- Open Group CDE Common Desktop Environment 1.0.1
- Open Group CDE Common Desktop Environment 1.0.2
- Open Group CDE Common Desktop Environment 1.1.0
- Open Group CDE Common Desktop Environment 1.2.0
- Open Group CDE Common Desktop Environment 2.0.0
- Open Group CDE Common Desktop Environment 2.1.0
- SGI IRIX 6.5.0
- SGI IRIX 6.5.1
- SGI IRIX 6.5.10
- SGI IRIX 6.5.10f
- SGI IRIX 6.5.10m
- SGI IRIX 6.5.11
- SGI IRIX 6.5.11f
- SGI IRIX 6.5.11m
- SGI IRIX 6.5.12
- SGI IRIX 6.5.12 f
- SGI IRIX 6.5.12 m
- SGI IRIX 6.5.13
- SGI IRIX 6.5.13 f
- SGI IRIX 6.5.13 m
- SGI IRIX 6.5.14
- SGI IRIX 6.5.2
- SGI IRIX 6.5.2f
- SGI IRIX 6.5.2m
- SGI IRIX 6.5.3
- SGI IRIX 6.5.3f
- SGI IRIX 6.5.3m
- SGI IRIX 6.5.4
- SGI IRIX 6.5.4f
- SGI IRIX 6.5.4m
- SGI IRIX 6.5.5
- SGI IRIX 6.5.5f
- SGI IRIX 6.5.5m
- SGI IRIX 6.5.6
- SGI IRIX 6.5.6f
- SGI IRIX 6.5.6m
- SGI IRIX 6.5.7
- SGI IRIX 6.5.7f
- SGI IRIX 6.5.7m
- SGI IRIX 6.5.8
- SGI IRIX 6.5.8f
- SGI IRIX 6.5.8m
- SGI IRIX 6.5.9
- SGI IRIX 6.5.9f
- SGI IRIX 6.5.9m
- Sun Solaris 2.4.0
- Sun Solaris 2.4.0_x86
- Sun Solaris 2.5.0
- Sun Solaris 2.5.1
- Sun Solaris 2.5.1_x86
- Sun Solaris 2.6
- Sun Solaris 7.0
- Sun Solaris 7.0_x86
- Sun Solaris 9
- Sun Solaris 9_x86
- Sun Solaris 9_x86 Update 2
References:
- CERT/CC: CERT Coordination Center
- Digital Equipment Corporation: Digital Equipment Corporation
- IBM: AIX Fix Distribution Service
- IBM: IBM Support Databases
- ITSX: ITSX Home Page
- Sun Microsystems: Sun Patch Access Page
- Sun Microsystems: Sun Patches List
- Sun Microsystems: Sunsolve Online(tm)
- The Open Group: The Open Group CDE Support Page
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