[ GLSA 200704-05 ] zziplib: Buffer Overflow

[GLSA]

Gentoo Linux Security Advisory

Title: zziplib: Buffer Overflow (GLSA 200704-05)
Severity: normal
Exploitable: remote
Date: April 03, 2007
Bug(s): #171441
ID: 200704-05

Synopsis

The zziplib library contains a buffer overflow vulnerability that could lead to user-assisted remote execution of arbitrary code.

Background

The zziplib library is a lightweight library for extracting data from files archived in a single zip file.

Affected Packages

Package: dev-libs/zziplib
Vulnerable: < 0.13.49
Unaffected: >= 0.13.49
Architectures: All supported architectures


Description

dmcox dmcox discovered a boundary error in the zzip_open_shared_io() function from zzip/file.c .

Impact

A remote attacker could entice a user to run a zziplib function with an overly long string as an argument which would trigger the buffer overflow and may lead to the execution of arbitrary code.

Workaround

There is no known workaround at this time.

Resolution

All zziplib users should upgrade to the latest version: