CVEvulnerability
CVE-2011-0633
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2011-05-13
- Last modified
- 2026-06-16
- Assigner
- [email protected]
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:P/A:N
- Weaknesses
- CWE-20
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.
Affected configurations
• gisle aas libwww-perl 0.01
• gisle aas libwww-perl 0.02
• gisle aas libwww-perl 0.03
• gisle aas libwww-perl 0.04
• gisle aas libwww-perl 5.00
• gisle aas libwww-perl 5.01
• gisle aas libwww-perl 5.02
• gisle aas libwww-perl 5.03
• gisle aas libwww-perl 5.04
• gisle aas libwww-perl 5.05
• gisle aas libwww-perl 5.06
• gisle aas libwww-perl 5.07
• gisle aas libwww-perl 5.08
• gisle aas libwww-perl 5.09
• gisle aas libwww-perl 5.10
• gisle aas libwww-perl 5.11
• gisle aas libwww-perl 5.12
• gisle aas libwww-perl 5.13
• gisle aas libwww-perl 5.14
• gisle aas libwww-perl 5.15
• gisle aas libwww-perl 5.16
• gisle aas libwww-perl 5.17
• gisle aas libwww-perl 5.18
• gisle aas libwww-perl 5.18 03
• gisle aas libwww-perl 5.18 04
• gisle aas libwww-perl 5.18 05
• gisle aas libwww-perl 5.19
• gisle aas libwww-perl 5.20
• gisle aas libwww-perl 5.21
• gisle aas libwww-perl 5.22
• gisle aas libwww-perl 5.30
• gisle aas libwww-perl 5.31
• gisle aas libwww-perl 5.32
• gisle aas libwww-perl 5.33
• gisle aas libwww-perl 5.34
• gisle aas libwww-perl 5.35
• gisle aas libwww-perl 5.36
• gisle aas libwww-perl 5.41
• gisle aas libwww-perl 5.42
• gisle aas libwww-perl 5.43
• gisle aas libwww-perl 5.44
• gisle aas libwww-perl 5.45
• gisle aas libwww-perl 5.46
• gisle aas libwww-perl 5.47
• gisle aas libwww-perl 5.48
• gisle aas libwww-perl 5.49
• gisle aas libwww-perl 5.50
• gisle aas libwww-perl 5.51
• gisle aas libwww-perl 5.52
• gisle aas libwww-perl 5.53
• gisle aas libwww-perl 5.53 90
• gisle aas libwww-perl 5.53 91
• gisle aas libwww-perl 5.53 92
• gisle aas libwww-perl 5.53 93
• gisle aas libwww-perl 5.53 94
• gisle aas libwww-perl 5.53 95
• gisle aas libwww-perl 5.53 96
• gisle aas libwww-perl 5.53 97
• gisle aas libwww-perl 5.60
• gisle aas libwww-perl 5.61
… and 64 more
Related
Weakness · CWE (1)
- CWE-20 Improper Input Validation weakness
References
- http://cpansearch.perl.org/src/GAAS/libwww-perl-6.02/Changes cpansearch.perl.org
- http://vttynotes.blogspot.com/2010/12/man-in-middle-fun-with-perl-lwp.html vttynotes.blogspot.com
- http://vttynotes.blogspot.com/2011/03/quick-note-on-lwp-and-perl-security-cve.html vttynotes.blogspot.com
- http://cpansearch.perl.org/src/GAAS/libwww-perl-6.02/Changes cpansearch.perl.org
- http://vttynotes.blogspot.com/2010/12/man-in-middle-fun-with-perl-lwp.html vttynotes.blogspot.com
- http://vttynotes.blogspot.com/2011/03/quick-note-on-lwp-and-perl-security-cve.html vttynotes.blogspot.com