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Category:   Application (Generic)  >   UnZip Vendors:   Info-ZIP
UnZip Bugs Let Remote Users Deny Service and Execute Arbitrary Code
SecurityTracker Alert ID:  1034027
SecurityTracker URL:  http://securitytracker.com/id/1034027
CVE Reference:   CVE-2015-7696, CVE-2015-7697   (Links to External Site)
Date:  Oct 29 2015
Impact:   Denial of service via network, Execution of arbitrary code via network, User access via network
Vendor Confirmed:  Yes  Exploit Included:  Yes  

Description:   Two vulnerabilities were reported in UnZip. A remote user can cause arbitrary code to be executed on the target system. A remote user can cause the target service to crash.

A remote user can create a specially crafted password-protected archive that, when processed by the target user or application, will trigger a heap overflow and execute arbitrary code on the target system [CVE-2015-7696]. The code will run with the privileges of the target user or application.

A remote user can create a specially crafted archive file that, when loaded by the target user, will cause the unzip process to hang [CVE-2015-7697].

Gustavo Grieco reported these vulnerabilities.

Impact:   A remote user can create content that, when processed by the target user or application, will execute arbitrary code on the target system or cause the target unzip process to hang.
Solution:   No solution was available at the time of this entry.
Vendor URL:  www.info-zip.org/pub/infozip/ (Links to External Site)
Cause:   Access control error, Boundary error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
Oct 30 2015 (Ubuntu Issues Fix) UnZip Bugs Let Remote Users Deny Service and Execute Arbitrary Code
Ubuntu has issued a fix for Ubuntu Linux 12.04 LTS, 14.04 LTS, 14.10, and 15.04.



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