Executive Summary



This Alert is flagged as TOP 25 Common Weakness Enumeration from CWE/SANS. For more information, you can read this.
Informations
Name CVE-2019-18801 First vendor Publication 2019-12-13
Vendor Cve Last vendor Modification 2023-11-07

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Overall CVSS Score 9.8
Base Score 9.8 Environmental Score 9.8
impact SubScore 5.9 Temporal Score 9.8
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Cvss Base Score 7.5 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in Envoy 1.12.0. An untrusted remote client may send HTTP/2 requests that write to the heap outside of the request buffers when the upstream is HTTP/1. This may be used to corrupt nearby heap contents (leading to a query-of-death scenario) or may be used to bypass Envoy's access control mechanisms such as path based routing. An attacker can also modify requests from other users that happen to be proximal temporally and spatially.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-18801

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-787 Out-of-bounds Write (CWE/SANS Top 25)

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 18

Sources (Detail)

https://groups.google.com/forum/#%21forum/envoy-users
Source Url
CONFIRM https://github.com/envoyproxy/envoy/security/advisories/GHSA-gxvv-x4p2-rppp
MISC https://access.redhat.com/errata/RHSA-2019:4222
https://blog.envoyproxy.io
https://github.com/envoyproxy/envoy/commits/master

Alert History

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Date Informations
2023-11-07 21:38:18
  • Multiple Updates
2021-05-05 01:34:15
  • Multiple Updates
2021-05-04 13:30:33
  • Multiple Updates
2021-04-22 02:44:57
  • Multiple Updates
2020-09-03 01:26:25
  • Multiple Updates
2020-05-24 01:28:43
  • Multiple Updates
2020-05-23 02:27:15
  • First insertion