CVE-2008-3443

Public Exploit

Description

The regular expression engine (regex.c) in Ruby 1.8.5 and earlier, 1.8.6 through 1.8.6-p286, 1.8.7 through 1.8.7-p71, and 1.9 through r18423 allows remote attackers to cause a denial of service (infinite loop and crash) via multiple long requests to a Ruby socket, related to memory allocation failure, and as demonstrated against Webrick.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 30.96% Top 5%
Vendor Advisory ubuntu.com Vendor Advisory debian.org Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory ubuntu.com Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/31430 third party advisory
https://usn.ubuntu.com/651-1/ vendor advisory
http://secunia.com/advisories/33185 third party advisory
http://www.debian.org/security/2009/dsa-1695 vendor advisory
http://support.apple.com/kb/HT3549
http://www.securityfocus.com/bid/30682 vdb entry
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00299.html vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/44688 vdb entry
http://securityreason.com/securityalert/4158 third party advisory
http://secunia.com/advisories/35074 third party advisory
http://support.avaya.com/elmodocs2/security/ASA-2008-424.htm
http://www.securitytracker.com/id?1021075 vdb entry
http://lists.apple.com/archives/security-announce/2009/May/msg00002.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2008-0895.html vendor advisory
http://www.redhat.com/support/errata/RHSA-2008-0897.html vendor advisory
http://secunia.com/advisories/33398 third party advisory
http://secunia.com/advisories/32219 third party advisory
https://www.exploit-db.com/exploits/6239 exploit
http://www.us-cert.gov/cas/techalerts/TA09-133A.html third party advisory us government resource
http://www.vupen.com/english/advisories/2009/1297 vdb entry
https://usn.ubuntu.com/691-1/ vendor advisory
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9570 signature vdb entry
http://secunia.com/advisories/32371 third party advisory
http://secunia.com/advisories/32165 third party advisory
http://secunia.com/advisories/32372 third party advisory
https://www.redhat.com/archives/fedora-package-announce/2008-October/msg00259.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2008-3443?
CVE-2008-3443 has been scored as a medium severity vulnerability.
How to fix CVE-2008-3443?
To fix CVE-2008-3443, 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-2008-3443 being actively exploited in the wild?
It is possible that CVE-2008-3443 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~31% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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