Vulnerability Name:

CVE-2020-12605 (CCN-184588)

Assigned:2020-06-30
Published:2020-06-30
Updated:2021-07-21
Summary:Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may consume excessive amounts of memory when processing HTTP/1.1 headers with long field names or requests with long URLs.
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
7.5 High (CCN 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 (CCN 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
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
7.8 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-400
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2020-12605

Source: XF
Type: UNKNOWN
envoy-cve202012605-dos(184588)

Source: MISC
Type: Broken Link
https://github.com/envoyproxy/envoy-setec/issues/137

Source: CCN
Type: Envoy GIT Repository
Inconsistent enforcement of HTTP/1.1 request/response header size limit

Source: CONFIRM
Type: Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-fjxc-jj43-f777

Source: CCN
Type: Envoy Web site
Envoy

Vulnerable Configuration:Configuration 1:
  • cpe:/a:envoyproxy:envoy:*:*:*:*:*:*:*:* (Version <= 1.12.4)
  • OR cpe:/a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:envoyproxy:envoy:1.9.0:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.11.1:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.10.0:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.12.1:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.13.2:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.12.4:*:*:*:*:*:*:*
  • OR cpe:/a:envoyproxy:envoy:1.14.2:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:202012605
    V
    		CVE-2020-12605
    2022-05-25
    oval:org.opensuse.security:def:109678
    P
    		Include cilium addon security fixes and a new skuba release with updated add-ons (Important)
    2021-02-08
    BACK
    envoyproxy envoy *
    envoyproxy envoy 1.13.2
    envoyproxy envoy 1.14.2
    envoyproxy envoy 1.9.0
    envoyproxy envoy 1.11.1
    envoyproxy envoy 1.10.0
    envoyproxy envoy 1.12.1
    envoyproxy envoy 1.13.2
    envoyproxy envoy 1.12.4
    envoyproxy envoy 1.14.2