SpeedProject Products ZIP/UUE File ExtractionBuffer Overflow

2005.11.25
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-119


CVSS Base Score: 5.1/10
Impact Subscore: 6.4/10
Exploitability Subscore: 4.9/10
Exploit range: Remote
Attack complexity: High
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

====================================================================== Secunia Research 24/11/2005 - SpeedProject Products ZIP/UUE File Extraction Buffer Overflow - ====================================================================== Table of Contents Affected Software....................................................1 Severity.............................................................2 Description of Vulnerability.........................................3 Solution.............................................................4 Time Table...........................................................5 Credits..............................................................6 References...........................................................7 About Secunia........................................................8 Verification.........................................................9 ====================================================================== 1) Affected Software * ZipStar 5.0 Build 4285 * Squeez 5.0 Build 4285 * SpeedCommander 11.0 Build 4430 * SpeedCommander 10.51 Build 4430 Prior versions may also be affected. ====================================================================== 2) Severity Rating: Moderately Critical Impact: System access Where: Remote ====================================================================== 3) Description of Vulnerability Secunia Research has discovered two vulnerabilities in various SpeedProject products, which can be exploited by malicious people to compromise a user's system. 1) A boundary error exists in CxZIP60.dll and CxZIP60u.dll due to the unsafe use of the "lstrcat()" function when constructing the full pathname of a file that is extracted from a ZIP archive. This can be exploited to cause a stack-based buffer overflow and allows arbitrary code execution when a specially crafted archive is extracted. The vulnerability has been confirmed in the following products. * ZipStar 5.0 Build 4285 * Squeez 5.0 Build 4285 * SpeedCommander 11.0 Build 4430 * SpeedCommander 10.51 Build 4430 2) A boundary error exists in CxUux60.dll and CxUux60u.dll due to the unsafe use of the "lstrcpy()" function when constructing the full pathname of the file that is decoded from a UUE file. This can be exploited to cause a stack-based buffer overflow and allows arbitrary code execution when a specially crafted UUE file is decoded. The vulnerability has been confirmed in the following products. * Squeez 5.0 Build 4285 * SpeedCommander 11.0 Build 4430 * SpeedCommander 10.51 Build 4430 ====================================================================== 4) Solution Update to the fixed versions. SpeedCommander 10: Update to version 10.52 Build 4450. SpeedCommander 11: Update to version 11.01 Build 4450. Squeez 5.0: Update to Squeez 5.10 Build 4460. ZipStar 5.0: Update to ZipStar 5.10 Build 4460. ====================================================================== 5) Time Table 03/11/2005 - Initial vendor notification. 03/11/2005 - Initial vendor reply. 17/11/2005 - Vendor released fixed versions. 24/11/2005 - Public disclosure. ====================================================================== 6) Credits Discovered by Tan Chew Keong, Secunia Research. ====================================================================== 7) References No other references. ====================================================================== 8) About Secunia Secunia collects, validates, assesses, and writes advisories regarding all the latest software vulnerabilities disclosed to the public. These advisories are gathered in a publicly available database at the Secunia website: http://secunia.com/ Secunia offers services to our customers enabling them to receive all relevant vulnerability information to their specific system configuration. Secunia offers a FREE mailing list called Secunia Security Advisories: http://secunia.com/secunia_security_advisories/ ====================================================================== 9) Verification Please verify this advisory by visiting the Secunia website: http://secunia.com/secunia_research/2005-60/advisory/ Complete list of vulnerability reports published by Secunia Research: http://secunia.com/secunia_research/ ======================================================================


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