CDE dtsession Buffer Overflow Vulnerability

BID:2603

Info

CDE dtsession Buffer Overflow Vulnerability

Bugtraq ID: 2603
Class: Boundary Condition Error
CVE: CVE-2001-0426
Remote: No
Local: Yes
Published: Apr 11 2001 12:00AM
Updated: Jul 11 2009 06:06AM
Credit: This vulnerability was revealed in an advisory posted to BugTraq by LSD <[email protected]> on 11 April 2001.
Vulnerable: Sun Solaris 8_x86
Sun Solaris 8_sparc
Sun Solaris 7.0_x86
Sun Solaris 7.0
Sun Solaris 2.6_x86
Sun Solaris 2.6
SGI IRIX 6.5.14
SGI IRIX 6.5.13 m
SGI IRIX 6.5.13 f
SGI IRIX 6.5.13
SGI IRIX 6.5.12 m
SGI IRIX 6.5.12 f
SGI IRIX 6.5.12
SGI IRIX 6.5.11 m
SGI IRIX 6.5.11 f
SGI IRIX 6.5.11
SGI IRIX 6.5.10 m
SGI IRIX 6.5.10 f
SGI IRIX 6.5.10
SGI IRIX 6.5.9 m
SGI IRIX 6.5.9 f
SGI IRIX 6.5.9
SGI IRIX 6.5.8 m
SGI IRIX 6.5.8 f
SGI IRIX 6.5.8
SGI IRIX 6.5.7 m
SGI IRIX 6.5.7 f
SGI IRIX 6.5.7
SGI IRIX 6.5.6 m
SGI IRIX 6.5.6 f
SGI IRIX 6.5.6
SGI IRIX 6.5.5 m
SGI IRIX 6.5.5 f
SGI IRIX 6.5.5
SGI IRIX 6.5.4 m
SGI IRIX 6.5.4 f
SGI IRIX 6.5.4
SGI IRIX 6.5.3 m
SGI IRIX 6.5.3 f
SGI IRIX 6.5.3
SGI IRIX 6.5.2 m
SGI IRIX 6.5.2 f
SGI IRIX 6.5.2
SGI IRIX 6.5.1
SGI IRIX 6.5
Not Vulnerable:

Discussion

CDE dtsession Buffer Overflow Vulnerability

The CDE Session Manager 'dtsession' is vulnerable to a buffer overflow that could yield root privileges to an attacker.

The bug exists in dtsession's LANG environment variable parser. If an overly long LANG variable is set and dtsession is subsequently run, dtsession will overflow. Because the dtsession binary is setuid root, the overflow allows an attacker to execute arbitrary code as root.

An exploit is available against x86 Solaris installations of CDE.

Exploit / POC

CDE dtsession Buffer Overflow Vulnerability

An exploit is available against x86 Solaris installations of CDE.

Solution / Fix

CDE dtsession Buffer Overflow Vulnerability

Solution:
Currently the SecurityFocus staff are not aware of any vendor-supplied patches for this issue.

If you feel we are in error or are aware of more recent information, please mail us at: [email protected] <mailto:[email protected]>.


SGI IRIX 6.5

SGI IRIX 6.5.1

SGI IRIX 6.5.10

SGI IRIX 6.5.10 f

SGI IRIX 6.5.10 m

SGI IRIX 6.5.11

SGI IRIX 6.5.11 m

SGI IRIX 6.5.11 f

SGI IRIX 6.5.12 f

SGI IRIX 6.5.12 m

SGI IRIX 6.5.12

SGI IRIX 6.5.13 f

SGI IRIX 6.5.13 m

SGI IRIX 6.5.13

SGI IRIX 6.5.14

SGI IRIX 6.5.2

SGI IRIX 6.5.2 m

SGI IRIX 6.5.2 f

SGI IRIX 6.5.3

SGI IRIX 6.5.3 m

SGI IRIX 6.5.3 f

SGI IRIX 6.5.4 m

SGI IRIX 6.5.4

SGI IRIX 6.5.4 f

SGI IRIX 6.5.5

SGI IRIX 6.5.5 m

SGI IRIX 6.5.5 f

SGI IRIX 6.5.6 m

SGI IRIX 6.5.6 f

SGI IRIX 6.5.6

SGI IRIX 6.5.7 m

SGI IRIX 6.5.7

SGI IRIX 6.5.7 f

SGI IRIX 6.5.8 m

SGI IRIX 6.5.8

SGI IRIX 6.5.8 f

SGI IRIX 6.5.9 f

SGI IRIX 6.5.9 m

SGI IRIX 6.5.9

References

CDE dtsession Buffer Overflow Vulnerability

References:

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