CVE-2016-1983

Description

The client_host function in parsers.c in Privoxy before 3.0.24 allows remote attackers to cause a denial of service (invalid read and crash) via an empty HTTP Host header.

Category

7.5
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 1.81% Top 20%
Vendor Advisory debian.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory privoxy.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.debian.org/security/2016/dsa-3460 vendor advisory
http://www.openwall.com/lists/oss-security/2016/01/22/3 mailing list
http://www.openwall.com/lists/oss-security/2016/01/21/4 mailing list
http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html vendor advisory
http://www.privoxy.org/announce.txt vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1983?
CVE-2016-1983 has been scored as a high severity vulnerability.
How to fix CVE-2016-1983?
To fix CVE-2016-1983, 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-2016-1983 being actively exploited in the wild?
It is possible that CVE-2016-1983 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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