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CVE-2019-18801

CRITICAL

9.8

Description

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.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published12/13/2019

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

envoyproxy:envoy

Weaknesses (CWE)

CWE-787

References

https://access.redhat.com/errata/RHSA-2019:4222(cve@mitre.org)

https://blog.envoyproxy.io(cve@mitre.org)

https://github.com/envoyproxy/envoy/commits/master(cve@mitre.org)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-gxvv-x4p2-rppp(cve@mitre.org)

https://groups.google.com/forum/#%21forum/envoy-users(cve@mitre.org)

https://access.redhat.com/errata/RHSA-2019:4222(af854a3a-2127-422b-91ae-364da2661108)

https://blog.envoyproxy.io(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/commits/master(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/envoyproxy/envoy/security/advisories/GHSA-gxvv-x4p2-rppp(af854a3a-2127-422b-91ae-364da2661108)

https://groups.google.com/forum/#%21forum/envoy-users(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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