Sybase Adaptive Server TDS LOGINREC password array buffer overflow
| sybase-passwordarray-bo (13800) |  High Risk |
Description:
Sybase Adaptive Server is vulnerable to a denial of service, caused by a buffer overflow in the TDS LOGINREC structure of a remote password array. A remote attacker with a valid username and password can create a long remote password array to overflow a buffer and cause a denial of service or possibly execute arbitrary code on the system.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of Sybase ASE (12.5 ESD #2 or later), available from the Sybase, Inc. Web site. See References.
References:
- BugTraq Mailing List, Thu Nov 20 2003 - 14:15:57 CST : R7-0016: Sybase ASE 12.5 Remote Password Array Denial of Service.
- Sybase, Inc. Web site: Sybase Inc - Adaptive Server Enterprise.
- BID-9080: Sybase Adaptive Server Remote Password Array Heap Overflow Vulnerability
- CVE-2003-0327: Sybase Adaptive Server Enterprise (ASE) 12.5 allows remote attackers to cause a denial of service (hang) via a remote password array with an invalid length, which triggers a heap-based buffer overflow.
Platforms Affected:
- Apple Macintosh
- Sybase Adaptive Server 11.5
- Sybase Adaptive Server 11.9.2
- Sybase Adaptive Server 12.0
- Sybase Adaptive Server 12.5
Reported:
Nov 20, 2003
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