Vulnerability Name:

CVE-2022-23959 (CCN-218219)

Assigned:2022-01-25
Published:2022-01-25
Updated:2022-08-02
Summary:In Varnish Cache before 6.6.2 and 7.x before 7.0.2, Varnish Cache 6.0 LTS before 6.0.10, and and Varnish Enterprise (Cache Plus) 4.1.x before 4.1.11r6 and 6.0.x before 6.0.9r4, request smuggling can occur for HTTP/1 connections.
CVSS v3 Severity:9.1 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
7.9 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/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): High
Integrity (I): High
Availibility (A): None
6.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N)
5.7 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/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): Low
Integrity (I): Low
Availibility (A): None
9.1 Critical (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N)
7.9 High (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/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): High
Integrity (I): High
Availibility (A): None
CVSS v2 Severity:6.4 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
6.4 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-444
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2022-23959

Source: MISC
Type: Mitigation, Vendor Advisory
https://docs.varnish-software.com/security/VSV00008/

Source: XF
Type: UNKNOWN
varnish-cve202223959-request-smuggling(218219)

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220214 [SECURITY] [DLA 2920-1] varnish security update

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2022-2f14ec7663

Source: CCN
Type: Varnish Security Advisory VSV00008
Varnish HTTP/1 Request Smuggling Vulnerability

Source: MISC
Type: Mitigation, Vendor Advisory
https://varnish-cache.org/security/VSV00008.html

Source: DEBIAN
Type: Third Party Advisory
DSA-5088

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2022-23959

Vulnerable Configuration:Configuration 1:
  • cpe:/a:varnish-software:varnich_cache:4.1:*:*:*:lts:*:*:*
  • OR cpe:/a:varnish-software:varnich_cache:*:*:*:*:plus:*:*:* (Version >= 4.1.1 and < 4.1.11r6)
  • OR cpe:/a:varnish-software:varnich_cache:*:*:*:*:-:*:*:* (Version >= 1.0.0 and < 6.6.2)
  • OR cpe:/a:varnish_cache_project:varnish_cache:*:*:*:*:*:*:*:* (Version >= 7.0.0 and < 7.0.2)
  • OR cpe:/a:varnish-software:varnish_cache:*:*:*:*:lts:*:*:* (Version >= 6.0.0 and < 6.0.10)
  • OR cpe:/a:varnish-software:varnish_cache_plus:*:*:*:*:*:*:*:* (Version >= 6.0.0 and < 6.0.9r4)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:35:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*
  • OR cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:varnish-cache:varnish_cache:4.1.0:-:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:443
    P
    Security update for varnish (Important)
    2022-05-23
    oval:com.redhat.rhsa:def:20220418
    P
    RHSA-2022:0418: varnish:6 security update (Important)
    2022-02-03
    BACK
    varnish-software varnich cache 4.1
    varnish-software varnich cache *
    varnish-software varnich cache *
    varnish_cache_project varnish cache *
    varnish-software varnish cache *
    varnish-software varnish cache plus *
    fedoraproject fedora 35
    debian debian linux 9.0
    debian debian linux 10.0
    debian debian linux 11.0
    varnish-cache varnish cache 4.1.0 -