TITLE:
UnixWare ppp Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA17275

VERIFY ADVISORY:
http://secunia.com/advisories/17275/

CRITICAL:
Less critical

IMPACT:
Privilege escalation

WHERE:
Local system

OPERATING SYSTEM:
UnixWare 7.x.x
http://secunia.com/product/136/

DESCRIPTION:
A vulnerability has been reported in UnixWare, which can be exploited
by malicious, local users to gain escalated privileges.

The vulnerability is caused due to a unspecified boundary error in
ppptalk, which can be exploited to cause a buffer overflow.

Successful exploitation allows execution of arbitrary code with root
privileges.

SOLUTION:
Apply updated packages.

UnixWare 7.1.3:
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.41/erg712940.uw713.pkg.Z
474799fc2cda9db5c486880599e1cdcc

UnixWare 7.1.4:
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.41/erg712940.uw714.pkg.Z
d47a9958e6dfd44c9b95e1d9489011f4

PROVIDED AND/OR DISCOVERED BY:
The vendor credits iDEFENSE.

ORIGINAL ADVISORY:
ftp://ftp.sco.com/pub/updates/UnixWare/SCOSA-2005.41/SCOSA-2005.41.txt

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About:
This Advisory was delivered by Secunia as a free service to help
everybody keeping their systems up to date against the latest
vulnerabilities.

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Definitions: (Criticality, Where etc.)
http://secunia.com/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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