69626 : Perl IO::Socket::SSL verify_mode Certificate Restriction Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
4	1232	over 2 years ago	9 months ago	12 times	100%

Timeline

Disclosure Date
2010-12-07

Description

Perl IO::Socket::SSL contains a flaw related to the verification mode. The issue is triggered when the program falls back to the 'VERIFY_NONE' verification mode if another mode is defined but a valid 'ca_file' or 'ca_path' is not provided. This may allow an attacker to bypass verification.

Classification

Location: Remote / Network Access
Attack Type: Cryptographic
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 1.3.5 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Perl.org

IO::Socket::SSL

1.34-1

References

CVE ID: 2010-4334 (see also: NVD)
Secunia Advisory ID: 42508 42757
Bugtraq ID: 45189
Vendor Specific News/Changelog Entry: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606058
http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.35/Changes
Mail List Post: http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052594.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/052601.html
Other Advisory URL: http://www.mandriva.com/security/advisories?name=MDVSA-2011:092
http://www.openwall.com/lists/oss-security/2010/12/09/8
http://www.openwall.com/lists/oss-security/2010/12/24/1

Tools & Filters

	54578

Credit

Daniel Kahn Gillmor

CVSSv2 Score

CVSSv2 Base Score = 4.0
Source: nvd.nist.gov | Generated: 2011-01-14 | Disagree? | There are 1 more: View All

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