CVE-2013-4115

Description

Buffer overflow in the idnsALookup function in dns_internal.cc in Squid 3.2 through 3.2.11 and 3.3 through 3.3.6 allows remote attackers to cause a denial of service (memory corruption and server termination) via a long name in a DNS lookup request.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 75.06% Top 5%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory secunia.com Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.squid-cache.org/Versions/v3/3.1/changesets/squid-3.1-10487.patch patch
http://www.squid-cache.org/Advisories/SQUID-2013_2.txt vendor advisory
http://secunia.com/advisories/54076 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00030.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00033.html vendor advisory
http://secunia.com/advisories/54834 third party advisory vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00032.html vendor advisory
http://www.squid-cache.org/Versions/v3/3.3/changesets/squid-3.3-12587.patch patch
http://www.securityfocus.com/bid/61111 vdb entry
http://www.squid-cache.org/Versions/v3/3.2/changesets/squid-3.2-11823.patch patch
http://secunia.com/advisories/54839 third party advisory vendor advisory
http://www.squid-cache.org/Versions/v3/3.0/changesets/squid-3.0-9200.patch patch
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-09/msg00024.html vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/85564 vdb entry
http://lists.opensuse.org/opensuse-updates/2013-09/msg00025.html vendor advisory
http://www.openwall.com/lists/oss-security/2013/07/11/8 mailing list

Frequently Asked Questions

What is the severity of CVE-2013-4115?
CVE-2013-4115 has been scored as a high severity vulnerability.
How to fix CVE-2013-4115?
To fix CVE-2013-4115, 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-2013-4115 being actively exploited in the wild?
It is possible that CVE-2013-4115 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~75% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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