GLSA-200903-21 : cURL: Arbitrary file access

This script is Copyright (C) 2009-2016 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200903-21
(cURL: Arbitrary file access)

David Kierznowski reported that the redirect implementation accepts
arbitrary Location values when CURLOPT_FOLLOWLOCATION is enabled.

Impact :

A remote attacker could possibly exploit this vulnerability to make
remote HTTP servers trigger arbitrary requests to intranet servers and
read or overwrite arbitrary files via a redirect to a file: URL, or, if
the libssh2 USE flag is enabled, execute arbitrary commands via a
redirect to an scp: URL.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All cURL users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=net-misc/curl-7.19.4'

Risk factor :

Medium / CVSS Base Score : 6.8
CVSS Temporal Score : 5.9
Public Exploit Available : true

Family: Gentoo Local Security Checks

Nessus Plugin ID: 35819 (gentoo_GLSA-200903-21.nasl)

Bugtraq ID: 33962

CVE ID: CVE-2009-0037

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