CVE-2013-4123

Description

client_side_request.cc in Squid 3.2.x before 3.2.13 and 3.3.x before 3.3.8 allows remote attackers to cause a denial of service via a crafted port number in a HTTP Host header.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 75.78% Top 5%
Vendor Advisory opensuse.org Vendor Advisory secunia.com Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/54142 third party advisory vendor advisory
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12591.patch
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11826.patch patch
http://secunia.com/advisories/54834 third party advisory
http://www.squid-cache.org/Advisories/SQUID-2013_3.txt vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html vendor advisory

Frequently Asked Questions

What is the severity of CVE-2013-4123?
CVE-2013-4123 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4123?
To fix CVE-2013-4123, 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-2013-4123 being actively exploited in the wild?
It is possible that CVE-2013-4123 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~76% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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