PT-2021-18151 · Envoy · Envoy

Mattklein123 · Published 2021-05-20 · Updated 2024-03-06 · CVE-2021-29258

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: Envoy version 1.14.0

Description: An issue was discovered that allows for a remotely exploitable crash for HTTP2 Metadata. This occurs because an empty METADATA map triggers a Reachable Assertion.

Recommendations: For Envoy version 1.14.0, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Assertion Failure

Weakness Enumeration

CWE-617

Related Identifiers

BIT-ENVOY-2021-29258

CVE-2021-29258

GHSA-RQVQ-HXW5-776J

GHSA-XW4Q-6PJ2-5GFG

RHSA-2021:1322

RHSA-2021:1324

Affected Products

Envoy

References · 13

• https://linux.oracle.com/errata/ELSA-2021-9397.html · Vendor Advisory
• https://blog.envoyproxy.io · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-29258 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-9399.html · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-9398.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29258 · Security Note
• https://linux.oracle.com/errata/ELSA-2021-9396.html · Vendor Advisory
• https://osv.dev/vulnerability/BIT-envoy-2021-29258 · Vendor Advisory
• https://github.com/envoyproxy/envoy/security/advisories/GHSA-rqvq-hxw5-776j · Note
• https://github.com/envoyproxy/envoy/releases/tag/v1.14.0 · Note
• https://github.com/envoyproxy/envoy/security/advisories/GHSA-xw4q-6pj2-5gfg · Note
• ❌ https://github.com/envoyproxy/envoy-setec/pull/230 · Note, Deleted
• https://t.me/cvenotify/15145 · Telegram Post