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Vulnerability Score 4.6 4.6
CVE Id CVE-2003-1376
Last Modified 05 Sep 2008 04:36:46
Published 31 Dec 2003 12:00:00
Confidentiality Impact PARTIAL PARTIAL
Integrity Impact PARTIAL PARTIAL
Availability Impact PARTIAL PARTIAL
Access Vector LOCAL
Access Complexity LOW
Authentication NONE



WinZip 8.0 uses weak random number generation for password protected ZIP files, which allows local users to brute force the encryption keys and extract the data from the zip file by guessing the state of the stream coder.

Vulnerable Systems


  • Winzip 8.0


XF - winzip-pkzip-weak-encryption(11296)

BID - 6805

BUGTRAQ - 20030208 Yet another plaintext attack to ZIP encryption scheme.

SREASON - 3265

Last Updated: 27 May 2016 10:38:20