SB2013083001 - Slackware Linux update for php
Published: August 30, 2013
Security Bulletin ID
SB2013083001
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Man-in-the-Middle (MitM) attack (CVE-ID: CVE-2013-4248)
The vulnerability allows a remote attacker to conduct MITM-attack on the target system.The weakness exists due to 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 '' character in a domain name in the Subject Alternative Name field of an X.509 certificate. A remote attacker can use man-in-the-middle technique and spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.
Remediation
Install update from vendor's website.