Vulnerability Details : CVE-2016-1983
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.
Vulnerability category: Input validationDenial of service
Products affected by CVE-2016-1983
- cpe:2.3:a:privoxy:privoxy:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-1983
4.13%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-1983
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
|
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2016-1983
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2016-1983
-
http://www.openwall.com/lists/oss-security/2016/01/21/4
oss-security - CVE request for Privoxy 3.0.24
-
http://www.openwall.com/lists/oss-security/2016/01/22/3
oss-security - Re: CVE request for Privoxy 3.0.24
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http://www.debian.org/security/2016/dsa-3460
Debian -- Security Information -- DSA-3460-1 privoxy
-
http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303
CVS Info for project ijbswa
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
[SECURITY] Fedora 22 Update: privoxy-3.0.23-3.fc22
-
http://www.privoxy.org/announce.txt
Vendor Advisory
-
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176475.html
[SECURITY] Fedora 23 Update: privoxy-3.0.23-3.fc23
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