Solaris libc/libnsl Vulnerability

BID:199

Info

Solaris libc/libnsl Vulnerability

Bugtraq ID: 199
Class: Boundary Condition Error
CVE:
Remote: Yes
Local: Unknown
Published: Oct 11 1995 12:00AM
Updated: Oct 11 1995 12:00AM
Credit: This issue was initially brought to light by Phil Karlton <[email protected]> on the mail.cyphercpunks NewsGroup. The message was then forwarded to the Bugtraq mailing list by Paul 'Shag' Walmsley ([email protected]) on Sun, 1 Oct 1995 .
Vulnerable: Sun Solaris 2.5.1 _x86
Sun Solaris 2.5.1 _ppc
Sun Solaris 2.5.1
Sun Solaris 2.5_x86
Sun Solaris 2.5
Not Vulnerable: Sun SunOS 4.1.4 -JL
Sun SunOS 4.1.4
Sun SunOS 4.1.3 c
Sun SunOS 4.1.3 _U1
Sun SunOS 4.1.3
Sun Solaris Internet Server Supplement 1.0
+ Sun Solaris 2.5.1 _x86
 + Sun Solaris 2.5.1 _ppc
 + Sun Solaris 2.5.1
+ Sun Solaris 2.5_x86
 + Sun Solaris 2.5
 Sun Solaris 2.6_x86
Sun Solaris 2.6

Discussion

Solaris libc/libnsl Vulnerability

A buffer overflow condition has been discovered in both the libc and libnsl libraries under Solaris 2.5/ 2.5.1. Many setuid and setgid programs, as well as network programs that run with root privileges, are linked against these libraries. Thus, this vulnerability may potentially allow exploitation of any program that uses libraries. If exploited, an unauthorized user could gain root access.

Exploit / POC

Solaris libc/libnsl Vulnerability

Currently the SecurityFocus staff are not aware of any exploits for this issue. If you feel we are in error or are aware of more recent information, please mail us at: [email protected].

Solution / Fix

Solaris libc/libnsl Vulnerability

Solution:
Patches are available to all Sun customers at http://sunsolve.sun.com


Sun Solaris 2.5

Sun Solaris 2.5_x86

Sun Solaris 2.5.1 _x86

Sun Solaris 2.5.1 _ppc
  • Sun 103614-06
    ppc


Sun Solaris 2.5.1

References

Solaris libc/libnsl Vulnerability

References:

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