Cryptographic issues in PHP - CVE-2011-3189
Published: August 25, 2011 / Updated: August 11, 2020
Vulnerability identifier: #VU44781
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2011-3189
CWE-ID: CWE-310
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: PHP Group
Affected software:
PHP
PHP
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
The crypt function in PHP 5.3.7, when the MD5 hash type is used, returns the value of the salt argument instead of the hashed string, which might allow remote attackers to bypass authentication via an arbitrary password, a different vulnerability than CVE-2011-2483.
How to mitigate CVE-2011-3189
Install update from vendor's website.
Sources
- http://lists.apple.com/archives/security-announce/2012/Feb/msg00000.html
- http://osvdb.org/74726
- http://secunia.com/advisories/45678
- http://support.apple.com/kb/HT5130
- http://www.openwall.com/lists/oss-security/2011/08/23/4
- http://www.php.net/archive/2011.php#id2011-08-23-1
- http://www.php.net/ChangeLog-5.php#5.3.8
- https://bugs.gentoo.org/show_bug.cgi?id=380261
- https://bugs.php.net/bug.php?id=55439
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69429