Vulnerability Name:

CVE-2020-1944 (CCN-178404)

Assigned:2019-12-02
Published:2020-03-10
Updated:2022-10-06
Summary:There is a vulnerability in Apache Traffic Server 6.0.0 to 6.2.3, 7.0.0 to 7.1.8, and 8.0.0 to 8.0.5 with a smuggling attack and Transfer-Encoding and Content length headers. Upgrade to versions 7.1.9 and 8.0.6 or later versions.
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
6.5 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
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
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-2020-1944

Source: XF
Type: UNKNOWN
apache-cve20201944-request-smuggling(178404)

Source: CCN
Type: Apache Mailing List, 2020/03/10 22:35:10
Apache Traffic Server is vulnerable to various smugging attacks

Source: MISC
Type: Mailing List, Vendor Advisory
https://lists.apache.org/thread.html/r99d18d0bc4daa05e7d0e5a63e0e22701a421b2ef5a8f4f7694c43869%40%3Cannounce.trafficserver.apache.org%3E

Source: CCN
Type: Apache Web site
Traffic Server

Source: DEBIAN
Type: Third Party Advisory
DSA-4672

Vulnerable Configuration:Configuration 1:
  • cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 6.0.0 and <= 6.2.3)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 7.0.0 and <= 7.1.8)
  • OR cpe:/a:apache:traffic_server:*:*:*:*:*:*:*:* (Version >= 8.0.0 and <= 8.0.5)

  • Configuration 2:
  • cpe:/o:debian:debian_linux:10.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:apache:traffic_server:6.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:7.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:6.2.3:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.0.0:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:7.1.8:*:*:*:*:*:*:*
  • OR cpe:/a:apache:traffic_server:8.0.5:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    BACK
    apache traffic server *
    apache traffic server *
    apache traffic server *
    debian debian linux 10.0
    apache traffic server 6.0.0
    apache traffic server 7.0.0
    apache traffic server 6.2.3
    apache traffic server 8.0.0
    apache traffic server 7.1.8
    apache traffic server 8.0.5