Vulnerability Name:

CVE-2020-8663 (CCN-184489)

Assigned:2020-06-30
Published:2020-06-30
Updated:2020-07-08
Summary:Envoy version 1.14.2, 1.13.2, 1.12.4 or earlier may exhaust file descriptors and/or memory when accepting too many connections.
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-2020-8663

Source: XF
Type: UNKNOWN
envoy-cve20208663-dos(184489)

Source: CCN
Type: Envoy GIT Repository
Connection flood exhausts memory and file descriptors

Source: CONFIRM
Type: Third Party Advisory
https://github.com/envoyproxy/envoy/security/advisories/GHSA-v8q7-fq78-4997

Source: MISC
Type: Release Notes, Vendor Advisory
https://www.envoyproxy.io/docs/envoy/v1.13.1/intro/version_history

Vulnerable Configuration:Configuration 1:
  • cpe:/a:envoyproxy:envoy:*:*:*:*:*:*:*:* (Version <= 1.12.4)
  • OR cpe:/a:envoyproxy:envoy:*:*:*:*:*:*:*:* (Version >= 1.13.0 and <= 1.13.2)
  • OR cpe:/a:envoyproxy:envoy:*:*:*:*:*:*:*:* (Version >= 1.14.0 and <= 1.14.2)

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20208663
    V
    		CVE-2020-8663
    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 *
    envoyproxy envoy *