CVE-2006-1991

Public Exploit

Description

The substr_compare function in string.c in PHP 5.1.2 allows context-dependent attackers to cause a denial of service (memory access violation) via an out-of-bounds offset argument.

Category

6.4
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 3.65% Top 15%
Vendor Advisory novell.com Vendor Advisory mandriva.com Vendor Advisory gentoo.org Vendor Advisory ubuntu.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://securitytracker.com/id?1015979 vdb entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/26003 vdb entry
http://www.novell.com/linux/security/advisories/2006_31_php.html vendor advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2006:091 vendor advisory
http://security.gentoo.org/glsa/glsa-200605-08.xml vendor advisory
http://secunia.com/advisories/20269 third party advisory patch vendor advisory
http://secunia.com/advisories/20676 third party advisory vendor advisory
http://www.ubuntu.com/usn/usn-320-1 vendor advisory
http://secunia.com/advisories/21125 third party advisory vendor advisory
http://www.infigo.hr/en/in_focus/advisories/INFIGO-2006-04-02 exploit
http://www.vupen.com/english/advisories/2006/1500 vdb entry vendor advisory
http://secunia.com/advisories/20052 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2006-1991?
CVE-2006-1991 has been scored as a medium severity vulnerability.
How to fix CVE-2006-1991?
To fix CVE-2006-1991, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2006-1991 being actively exploited in the wild?
It is possible that CVE-2006-1991 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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