83111 : PHP Empty Salt String Handling Remote Authentication Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
3	353	11 months ago	5 months ago	4 times	100%

Timeline

Disclosure Date
2012-06-19

Description

PHP contains a flaw that is triggered when an error occurs during the handling of empty salt strings. This may allow a remote attacker to bypass authentication.

Classification

Location: Remote / Network Access
Attack Type: Authentication Management, Input Manipulation
Impact: Loss of Integrity
Solution: Patch / RCS
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Currently, there are no known workarounds or upgrades to correct this issue. However, Ubuntu has released a patch to address this vulnerability. Check the vendor changelog in the references section.

Products

The PHP Group

PHP

Unspecified

References

CVE ID: 2012-2317 (see also: NVD)
Secunia Advisory ID: 49626
Vendor Specific News/Changelog Entry: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=581170
http://www.ubuntu.com/usn/usn-1481-1/
Other Advisory URL: http://www.openwall.com/lists/oss-security/2012/05/04/7
http://www.openwall.com/lists/oss-security/2012/05/05/2
Vendor URL: http://www.php.net/

Credit

Not Available

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2012-08-08 | Disagree?

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