National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2011-0633 Detail

Current Description

The Net::HTTPS module in libwww-perl (LWP) before 6.00, as used in WWW::Mechanize, LWP::UserAgent, and other products, when running in environments that do not set the If-SSL-Cert-Subject header, does not enable full validation of SSL certificates by default, which allows remote attackers to spoof servers via man-in-the-middle (MITM) attacks involving hostnames that are not properly validated. NOTE: it could be argued that this is a design limitation of the Net::HTTPS API, and separate implementations should be independently assigned CVE identifiers for not working around this limitation. However, because this API was modified within LWP, a single CVE identifier has been assigned.

Source:  MITRE
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 4.3 MEDIUM
Vector: (AV:N/AC:M/Au:N/C:N/I:P/A:N) (V2 legend)
Impact Subscore: 2.9
Exploitability Subscore: 8.6


Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (AU): None
Confidentiality (C): None
Integrity (I): Partial
Availability (A): None
Additional Information:
Allows unauthorized modification

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://cpansearch.perl.org/src/GAAS/libwww-perl-6.02/Changes
http://vttynotes.blogspot.com/2010/12/man-in-middle-fun-with-perl-lwp.html
http://vttynotes.blogspot.com/2011/03/quick-note-on-lwp-and-perl-security-cve.html

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:gisle_aas:libwww-perl:0.01:*:*:*:*:*:*:*
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Showing 100 of 124 CPEs, view all CPEs here.

Change History

123 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2011-0633
NVD Published Date:
05/13/2011
NVD Last Modified:
10/30/2018