CVE-2009-3622

Public Exploit

Description

Algorithmic complexity vulnerability in wp-trackback.php in WordPress before 2.8.5 allows remote attackers to cause a denial of service (CPU consumption and server hang) via a long title parameter in conjunction with a charset parameter composed of many comma-separated "UTF-8" substrings, related to the mb_convert_encoding function in PHP.

Category

4.3
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 8.24% Top 10%
Vendor Advisory wordpress.com Vendor Advisory wordpress.org Vendor Advisory vupen.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2009/Oct/263 mailing list exploit third party advisory
http://security-sh3ll.blogspot.com/2009/10/wordpress-resource-exhaustion-denial-of.html third party advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53884 vdb entry third party advisory
http://marc.info/?l=oss-security&m=125614592004825&w=2 third party advisory mailing list
http://codes.zerial.org/php/wp-trackbacks_dos.phps broken link
http://secunia.com/advisories/37088 third party advisory
http://www.osvdb.org/59077 vdb entry broken link
http://rooibo.wordpress.com/2009/10/17/agujero-de-seguridad-en-wordpress/ issue tracking exploit vendor advisory
http://www.vupen.com/english/advisories/2009/2986 vdb entry patch vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=530056 issue tracking
http://marc.info/?l=oss-security&m=125612393329041&w=2 third party advisory mailing list
http://securitytracker.com/id?1023072 vdb entry third party advisory
http://wordpress.org/development/2009/10/wordpress-2-8-5-hardening-release/ vendor advisory

Frequently Asked Questions

What is the severity of CVE-2009-3622?
CVE-2009-3622 has been scored as a medium severity vulnerability.
How to fix CVE-2009-3622?
To fix CVE-2009-3622, 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-2009-3622 being actively exploited in the wild?
It is possible that CVE-2009-3622 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~8% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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