Description
The IO::Socket::SSL module 1.35 for Perl, when verify_mode is not VERIFY_NONE, fails open to VERIFY_NONE instead of throwing an error when a ca_file/ca_path cannot be verified, which allows remote attackers to bypass intended certificate restrictions.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libio-socket-ssl-perl | 1.35-1 | — |
| Debian 13 | libio-socket-ssl-perl | 1.35-1 | — |
| Debian 12 | libio-socket-ssl-perl | 1.35-1 | — |
References
- 42757 third-party-advisory
- FEDORA-2010-19058 vendor-advisory
- http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.35/Changes
- 45189 vdb-entry
- 69626 vdb-entry
- FEDORA-2010-19054 vendor-advisory
- [oss-security] 20101209 Re: CVE requests: IO::Socket::SSL, cakephp, collectd, gnash, ocrodjvu, hypermail, libcloud, piwigo mailing-list
- [oss-security] 20101224 IO::Socket::SSL perl module: CVE-2010-4501/CVE-2010-4334 dupe mailing-list
- 42508 third-party-advisory
- MDVSA-2011:092 vendor-advisory
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606058