Vulnerability CVE-2016-1983

Vulnerability Name:

CVE-2016-1983 (CCN-110315)

Assigned:

2016-01-21

Published:

2016-01-21

Updated:

2016-12-06

Summary:

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 v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Network Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-20

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2016-1983

Source: CONFIRM
Type: UNKNOWN
http://ijbswa.cvs.sourceforge.net/viewvc/ijbswa/current/parsers.c?r1=1.302&r2=1.303

Source: FEDORA
Type: UNKNOWN
FEDORA-2016-29995fbd42

Source: FEDORA
Type: UNKNOWN
FEDORA-2016-bc7acd24c6

Source: DEBIAN
Type: UNKNOWN
DSA-3460

Source: CCN
Type: oss-sec Mailing List, Thu, 21 Jan 2016 15:46:50 +0100
CVE request for Privoxy 3.0.24

Source: MLIST
Type: UNKNOWN
[oss-security] 20160121 CVE request for Privoxy 3.0.24

Source: MLIST
Type: UNKNOWN
[oss-security] 20160121 Re: CVE request for Privoxy 3.0.24

Source: CCN
Type: Privoxy Web site
Privoxy - Home Page

Source: CONFIRM
Type: Vendor Advisory
http://www.privoxy.org/announce.txt

Source: XF
Type: UNKNOWN
privoxy-cve20161983-dos(110315)

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-1983

Vulnerable Configuration:

Configuration 1:

cpe:/a:privoxy:privoxy:*:*:*:*:*:*:*:* (Version <= 3.0.23)

Configuration CCN 1:

cpe:/a:privoxy:privoxy:3.0.23:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:20161983	V	CVE-2016-1983	2022-06-30
oval:org.opensuse.security:def:113170	P	privoxy-3.0.26-1.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106593	P	privoxy-3.0.26-1.1 on GA media (Moderate)	2021-10-01
oval:com.ubuntu.xenial:def:201619830000000	V	CVE-2016-1983 on Ubuntu 16.04 LTS (xenial) - medium.	2016-01-27
oval:com.ubuntu.artful:def:20161983000	V	CVE-2016-1983 on Ubuntu 17.10 (artful) - medium.	2016-01-27
oval:com.ubuntu.xenial:def:20161983000	V	CVE-2016-1983 on Ubuntu 16.04 LTS (xenial) - medium.	2016-01-27
oval:com.ubuntu.bionic:def:20161983000	V	CVE-2016-1983 on Ubuntu 18.04 LTS (bionic) - medium.	2016-01-27
oval:com.ubuntu.precise:def:20161983000	V	CVE-2016-1983 on Ubuntu 12.04 LTS (precise) - medium.	2016-01-27
oval:com.ubuntu.bionic:def:201619830000000	V	CVE-2016-1983 on Ubuntu 18.04 LTS (bionic) - medium.	2016-01-27
oval:com.ubuntu.trusty:def:20161983000	V	CVE-2016-1983 on Ubuntu 14.04 LTS (trusty) - medium.	2016-01-27

BACK