The Vigil@nce team watches public vulnerabilities impacting your computers, and then offers security solutions, a vigilance database and tools to fix them.

Vulnerability of ZZIPlib: buffer overflow of zzip_open_shared_io

Synthesis of the vulnerability 

An attacker can create a file with a long name generating an overflow in softwares linked with ZZIPlib.
Impacted software: Unix (platform) ~ not comprehensive.
Severity of this computer vulnerability: 2/4.
Creation date: 24/04/2007.
Références of this announce: BID-23013, CERTA-2007-AVI-139, CVE-2007-1614, MDKSA-2007:093, VIGILANCE-VUL-6760.

Description of the vulnerability 

The ZZIPlib library reads ZIP compressed archives. The zzcat tool is linked with this library.

The zzip_open_shared_io() function of zzip/file.c copies the filename in a PATH_MAX bytes buffer, without checking its size. An attacker can for example invite victim to use zzcat on a long filename in order to generate an overflow.

This vulnerability therefore permits an attacker to execute code on victim's computer.
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

This weakness alert impacts software or systems such as Unix (platform) ~ not comprehensive.

Our Vigil@nce team determined that the severity of this computer vulnerability note is medium.

The trust level is of type confirmed by the editor, with an origin of document.

An attacker with a expert ability can exploit this security bulletin.

Solutions for this threat 

ZZIPlib: version 0.13.49.
Version 0.13.49 is corrected:
  http://sourceforge.net/project/showfiles.php?group_id=6389

Mandriva: new zziplib packages.
New packages are available:
 
 Corporate 4.0:
 a0ac9e92d0beee7726739000791e6748 corporate/4.0/i586/zziplib0-0.13.33-4.1.20060mlcs4.i586.rpm
 1518189e431ccd97aa491a4591de80d6 corporate/4.0/i586/zziplib0-devel-0.13.33-4.1.20060mlcs4.i586.rpm
 c17957866cab01574723960484e792a9 corporate/4.0/SRPMS/zziplib-0.13.33-4.1.20060mlcs4.src.rpm
 Corporate 4.0/X86_64:
 91e3feceacc5f9fd7629525d1be8b951 corporate/4.0/x86_64/zziplib0-0.13.33-4.1.20060mlcs4.x86_64.rpm
 641b79b72b74306264f8cc40b89ecf68 corporate/4.0/x86_64/zziplib0-devel-0.13.33-4.1.20060mlcs4.x86_64.rpm
 c17957866cab01574723960484e792a9 corporate/4.0/SRPMS/zziplib-0.13.33-4.1.20060mlcs4.src.rpm
Full bulletin, software filtering, emails, fixes, ... (Request your free trial)

Computer vulnerabilities tracking service 

Vigil@nce provides an application vulnerability alert. The technology watch team tracks security threats targeting the computer system.