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[sec-adv] Sun Solaris Secure Shell Buffer Management Vulnerability

From: Secunia Security Advisories (sec-advsecunia.com)
Date: Mon Sep 22 2003 - 06:16:43 CDT


TITLE:
Sun Solaris Secure Shell Buffer Management Vulnerability

SECUNIA ADVISORY ID:
SA9806

VERIFY ADVISORY:
http://www.secunia.com/advisories/9806/

CRITICAL:
Highly critical

IMPACT:
DoS, System access

WHERE:
From remote

OPERATING SYSTEM:
Sun Solaris 9

DESCRIPTION:
Sun has confirmed a vulnerability in Solaris, which potentially can
be exploited by malicious people to compromise a vulnerable system or
cause a DoS (Denial of Service).

The vulnerability is caused due to a buffer management error in
Solaris Secure Shell daemon (sshd), which is based on OpenSSH.

For more information:
SA9743

NOTE: The Solaris Secure Shell daemon may potentially also be
affected by other newly discovered vulnerabilities in OpenSSH.
However, this has not been confirmed.

SOLUTION:
Patches are not currently available.

Sun recommends that the ssh service is disabled. If this is not a
viable solution, then restrict access to the service allowing only
trusted systems to connect.

ORIGINAL ADVISORY:
http://sunsolve.sun.com/pub-cgi/retrieve.pl?doc=fsalert/56861

OTHER REFERENCES:
SA9743:
http://www.secunia.com/advisories/9743/

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