CVE-2016-2390

Description

The FwdState::connectedToPeer method in FwdState.cc in Squid before 3.5.14 and 4.0.x before 4.0.6 does not properly handle SSL handshake errors when built with the --with-openssl option, which allows remote attackers to cause a denial of service (application crash) via a plaintext HTTP message.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 37.03% Top 5%
Vendor Advisory opensuse.org Vendor Advisory opensuse.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org Vendor Advisory squid-cache.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.squid-cache.org/Advisories/SQUID-2016_1.txt vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html vendor advisory
http://www.securitytracker.com/id/1035045 vdb entry
http://lists.squid-cache.org/pipermail/squid-announce/2016-February/000038.html vendor advisory mailing list
http://lists.squid-cache.org/pipermail/squid-announce/2016-February/000037.html vendor advisory mailing list
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html vendor advisory
http://bugs.squid-cache.org/show_bug.cgi?id=4437

Frequently Asked Questions

What is the severity of CVE-2016-2390?
CVE-2016-2390 has been scored as a medium severity vulnerability.
How to fix CVE-2016-2390?
To fix CVE-2016-2390, 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-2016-2390 being actively exploited in the wild?
It is possible that CVE-2016-2390 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~37% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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