VulnerabilityModified
CVE-2009-3024
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for…
MEDIUM 4.3EPSS 1.00%
Does this matter?
Lower severity and a low EPSS score (1.00%). Track it; it rarely justifies an emergency change on its own.
Description
The verify_hostname_of_cert function in the certificate checking feature in IO-Socket-SSL (IO::Socket::SSL) 1.14 through 1.25 only matches the prefix of a hostname when no wildcard is used, which allows remote attackers to bypass the hostname check for a certificate.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 1.00% probability · 61th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-310
- Affected
- io-socket-ssl/io-socket-ssl
- Source
- cve@mitre.org
References
- http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changes
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
- http://secunia.com/advisories/42893
- http://www.gentoo.org/security/en/glsa/glsa-201101-06.xml
- http://www.openwall.com/lists/oss-security/2009/08/28/1
- http://www.openwall.com/lists/oss-security/2009/08/29/1
- http://www.openwall.com/lists/oss-security/2009/08/31/4
- http://www.vupen.com/english/advisories/2011/0118
- http://cpansearch.perl.org/src/SULLR/IO-Socket-SSL-1.30/Changes
- http://lists.opensuse.org/opensuse-security-announce/2009-09/msg00001.html
- http://secunia.com/advisories/42893
- http://www.gentoo.org/security/en/glsa/glsa-201101-06.xml
- http://www.openwall.com/lists/oss-security/2009/08/28/1
- http://www.openwall.com/lists/oss-security/2009/08/29/1
- http://www.openwall.com/lists/oss-security/2009/08/31/4
- http://www.vupen.com/english/advisories/2011/0118
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.