CVE-2013-4248
The openssl_x509_parse function in openssl.c in the OpenSSL module in PHP before 5.4.18 and 5.5.x before 5.5.2 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows…
Does this matter?
Lower severity and a low EPSS score (3.59%). Track it; it rarely justifies an emergency change on its own.
Description
The openssl_x509_parse function in openssl.c in the OpenSSL module in PHP before 5.4.18 and 5.5.x before 5.5.2 does not properly handle a '\0' character in a domain name in the Subject Alternative Name field of an X.509 certificate, which allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.
- CVSS 2.0
- 4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N
- EPSS
- 3.59% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- canonical/ubuntu linux · php/php · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2874696a5a8d46639d261571f915c493cd875897
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00125.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00126.html
- http://marc.info/?l=bugtraq&m=141390017113542&w=2
- http://rhn.redhat.com/errata/RHSA-2013-1307.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1615.html
- http://secunia.com/advisories/54478Vendor Advisory
- http://secunia.com/advisories/54657Vendor Advisory
- http://secunia.com/advisories/55078Vendor Advisory
- http://secunia.com/advisories/59652
- http://support.apple.com/kb/HT6150
- http://www.debian.org/security/2013/dsa-2742
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/61776
- http://www.securitytracker.com/id/1028924
- http://www.ubuntu.com/usn/USN-1937-1Vendor Advisory
- http://git.php.net/?p=php-src.git%3Ba=commit%3Bh=2874696a5a8d46639d261571f915c493cd875897
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00125.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00126.html
- http://marc.info/?l=bugtraq&m=141390017113542&w=2
- http://rhn.redhat.com/errata/RHSA-2013-1307.htmlVendor Advisory
- http://rhn.redhat.com/errata/RHSA-2013-1615.html
- http://secunia.com/advisories/54478Vendor Advisory
- http://secunia.com/advisories/54657Vendor Advisory
- http://secunia.com/advisories/55078Vendor Advisory
- http://secunia.com/advisories/59652
- http://support.apple.com/kb/HT6150
- http://www.debian.org/security/2013/dsa-2742
- http://www.php.net/ChangeLog-5.php
- http://www.securityfocus.com/bid/61776
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.