Vulnerability Name:

CVE-2020-10109 (CCN-177891)

Assigned:2020-03-11
Published:2020-03-11
Updated:2022-04-01
Summary:In Twisted Web through 19.10.0, there was an HTTP request splitting vulnerability. When presented with a content-length and a chunked encoding header, the content-length took precedence and the remainder of the request body was interpreted as a pipelined request.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/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): High
Integrity (I): High
Availibility (A): High
6.1 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
5.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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): Required
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): None
7.3 High (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/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): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
5.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:N)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-444
CWE-444
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2020-10109

Source: XF
Type: UNKNOWN
twisted-cve202010109-request-splitting(177891)

Source: MISC
Type: Exploit, Third Party Advisory
https://know.bishopfox.com/advisories

Source: CCN
Type: Bishop Fox Security Advisory
Twisted Version 19.10.0

Source: MISC
Type: Release Notes, Third Party Advisory
https://know.bishopfox.com/advisories/twisted-version-19.10.0

Source: MLIST
Type: Mailing List, Third Party Advisory
[debian-lts-announce] 20220219 [SECURITY] [DLA 2927-1] twisted security update

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-16dc0da400

Source: FEDORA
Type: Mailing List, Third Party Advisory
FEDORA-2020-2136b020f2

Source: GENTOO
Type: Third Party Advisory
GLSA-202007-24

Source: CCN
Type: Twisted Web site
Twisted

Source: UBUNTU
Type: Third Party Advisory
USN-4308-1

Source: UBUNTU
Type: Third Party Advisory
USN-4308-2

Vulnerable Configuration:Configuration 1:
  • cpe:/a:twistedmatrix:twisted:*:*:*:*:*:*:*:* (Version <= 19.10.0)

  • Configuration 2:
  • cpe:/o:fedoraproject:fedora:31:*:*:*:*:*:*:*
  • OR cpe:/o:fedoraproject:fedora:32:*:*:*:*:*:*:*

  • Configuration 3:
  • cpe:/o:debian:debian_linux:9.0:*:*:*:*:*:*:*

  • Configuration 4:
  • cpe:/o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
  • OR cpe:/o:canonical:ubuntu_linux:19.10:*:*:*:*:*:*:*

  • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:7:*:*:*:*:*:*:*

  • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:7::client:*:*:*:*:*

  • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:7::computenode:*:*:*:*:*

  • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:7::server:*:*:*:*:*

  • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:7::workstation:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:twistedmatrix:twisted:19.10.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:119289
    P
    Security update for python-Twisted (Important)
    2022-08-16
    oval:org.opensuse.security:def:119470
    P
    Security update for python-Twisted (Important)
    2022-08-16
    oval:org.opensuse.security:def:118794
    P
    Security update for python-Twisted (Important)
    2022-08-16
    oval:org.opensuse.security:def:119655
    P
    Security update for python-Twisted (Important)
    2022-08-16
    oval:org.opensuse.security:def:118984
    P
    Security update for python-Twisted (Important)
    2022-08-16
    oval:org.opensuse.security:def:112972
    P
    matrix-synapse-1.43.0-1.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:106421
    P
    matrix-synapse-1.43.0-1.1 on GA media (Moderate)
    2021-10-01
    oval:com.redhat.rhsa:def:20201561
    P
    RHSA-2020:1561: python-twisted-web security update (Important)
    2020-04-23
    oval:com.ubuntu.bionic:def:2020101090000000
    V
    CVE-2020-10109 on Ubuntu 18.04 LTS (bionic) - medium.
    2020-03-12
    oval:com.ubuntu.xenial:def:2020101090000000
    V
    CVE-2020-10109 on Ubuntu 16.04 LTS (xenial) - medium.
    2020-03-12
    BACK
    twistedmatrix twisted *
    fedoraproject fedora 31
    fedoraproject fedora 32
    debian debian linux 9.0
    canonical ubuntu linux 14.04
    canonical ubuntu linux 16.04
    canonical ubuntu linux 18.04
    canonical ubuntu linux 19.10
    twistedmatrix twisted 19.10.0