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TITLE:
NetSupport Manager Client Authentication Bypass Vulnerability

SECUNIA ADVISORY ID:
SA26927

VERIFY ADVISORY:
http://secunia.com/advisories/26927/

CRITICAL:
Moderately critical

IMPACT:
Security Bypass

WHERE:
>From local network

SOFTWARE:
NetSupport Manager 9.x
http://secunia.com/product/8764/
NetSupport Manager 8.x
http://secunia.com/product/8763/
NetSupport Manager 7.x
http://secunia.com/product/15629/
NetSupport Manager 10.x
http://secunia.com/product/15800/
NetSupport Manager 5.x
http://secunia.com/product/15801/
NetSupport Manager 6.x
http://secunia.com/product/15802/

DESCRIPTION:
A vulnerability has been reported in NetSupport Manager, which can be
exploited by malicious people to bypass certain security
restrictions.

The problem is that the NetSupport Manager client does not properly
handle authentication sessions. This can be exploited to e.g. execute
arbitrary commands on the target system.

The vulnerability affects NSM 5.00, NSM 5.01, NSM 5.02, NSM 5.02f1,
NSM 5.03, NSM 5.05, NSM 5.30, NSM 5.31, NSM 6.00, NSM 6.10, NSM 6.11,
NSM 7.01, NSM 7.10, NSM 8.00, NSM 8.10, NSM 9.00, NSM 8.50, NSM 8.60,
NSM 9.10, NSM 9.50, NSM 9.60, NSM 10.00, and NSM 10.20 on Windows
systems.

SOLUTION:
Upgrade or update to version 10.20.0004.
https://download.netsupportsoftware.com/download/distdownload.asp?site=PCS&lang=UK

PROVIDED AND/OR DISCOVERED BY:
Digital Defense

ORIGINAL ADVISORY:
NetSupport:
http://www.netsupportsoftware.com/support/td.asp?td=543

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