Heap overflow in Sybase MobiLink 10.0.1.3629

2008.02.24
Credit: Luigi Auriemma
Risk: High
Local: No
Remote: Yes
CVE: CVE-2008-0912
CWE: CWE-119


CVSS Base Score: 10/10
Impact Subscore: 10/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Complete
Integrity impact: Complete
Availability impact: Complete

####################################################################### Luigi Auriemma Application: Sybase MobiLink http://www.sybase.com/developer/mobile/sqlanywhere/mobilink Versions: <= 10.0.1.3629 Platforms: Windows and Linux/Unix Bug: heap overflow Exploitation: remote Date: 20 Feb 2008 Author: Luigi Auriemma e-mail: aluigi (at) autistici (dot) org [email concealed] web: aluigi.org ####################################################################### 1) Introduction 2) Bug 3) The Code 4) Fix ####################################################################### =============== 1) Introduction =============== MobiLink is a centralized synchronization server for mobile platforms included in the Sybase SQL Anywhere package. ####################################################################### ====== 2) Bug ====== The MobiLink server is affected by a heap overflow which happens during the handling of some strings like username, version and remote ID (all pre-auth) when have a lenght major than 128 bytes. ####################################################################### =========== 3) The Code =========== http://aluigi.org/poc/mobilinkhof.zip ####################################################################### ====== 4) Fix ====== No fix ####################################################################### --- Luigi Auriemma http://aluigi.org


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