RHEL 2.1 : unzip (RHSA-2003:200)

This script is Copyright (C) 2004-2014 Tenable Network Security, Inc.


Synopsis :

The remote Red Hat host is missing a security update.

Description :

Updated unzip packages resolving a vulnerability allowing arbitrary
files to be overwritten are now available.

[Updated 15 August 2003] Ben Laurie found that the original patch to
fix this issue missed a case where the path component included a
quoted slash. These updated packages contain a new patch that corrects
this issue.

The unzip utility is used for manipulating archives, which are
multiple files stored inside of a single file.

A vulnerabilitiy in unzip version 5.50 and earlier allows attackers to
overwrite arbitrary files during archive extraction by placing invalid
(non-printable) characters between two '.' characters. These
non-printable characters are filtered, resulting in a '..' sequence.
The Common Vulnerabilities and Exposures project (cve.mitre.org) has
assigned the name CVE-2003-0282 to this issue.

This erratum includes a patch ensuring that non-printable characters
do not make it possible for a malicious .zip file to write to parent
directories unless the '-:' command line parameter is specified.

Users of unzip are advised to upgrade to these updated packages, which
are not vulnerable to this issue.

See also :

https://www.redhat.com/security/data/cve/CVE-2003-0282.html
http://marc.info/?l=bugtraq&m=105259038503175
http://rhn.redhat.com/errata/RHSA-2003-200.html

Solution :

Update the affected unzip package.

Risk factor :

Low / CVSS Base Score : 2.6
(CVSS2#AV:N/AC:H/Au:N/C:N/I:P/A:N)

Family: Red Hat Local Security Checks

Nessus Plugin ID: 12403 ()

Bugtraq ID:

CVE ID: CVE-2003-0282