VulnerabilityModified
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.
HIGH 7.5EPSS 2.87%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.87%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.87% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-20
- Affected
- privoxy/privoxy
- Source
- cve@mitre.org
References
- 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/176475.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
- http://www.debian.org/security/2016/dsa-3460
- http://www.openwall.com/lists/oss-security/2016/01/21/4
- http://www.openwall.com/lists/oss-security/2016/01/22/3
- http://www.privoxy.org/announce.txtVendor Advisory
- 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/176475.html
- http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176492.html
- http://www.debian.org/security/2016/dsa-3460
- http://www.openwall.com/lists/oss-security/2016/01/21/4
- http://www.openwall.com/lists/oss-security/2016/01/22/3
- http://www.privoxy.org/announce.txtVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.