Bug 2182156 (CVE-2023-27488) - CVE-2023-27488 envoy: gRPC client produces invalid protobuf when an HTTP header with non-UTF8 value is received
Summary: CVE-2023-27488 envoy: gRPC client produces invalid protobuf when an HTTP head...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2023-27488
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Nobody
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 2178208
TreeView+ depends on / blocked
 
Reported: 2023-03-27 17:42 UTC by Anten Skrabec
Modified: 2023-08-31 05:39 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: ---
Doc Text:
A flaw was found in Envoy which could allow an attacker to bypass authentication checks when ext_authz is used by crafting a malicious http header with a non-UTF8 value.
Clone Of:
Environment:
Last Closed: 2023-08-11 21:14:30 UTC
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2023:4623 0 None None None 2023-08-11 16:48:13 UTC

Description Anten Skrabec 2023-03-27 17:42:33 UTC 
The attacker can use this vulnerability to bypass auth checks when
ext_authz is used.
Comment 3 Pedro Sampaio 2023-04-04 21:03:24 UTC 
Public:

https://github.com/envoyproxy/envoy/security/advisories/GHSA-9g5w-hqr3-w2ph
Comment 5 errata-xmlrpc 2023-08-11 16:48:12 UTC 
This issue has been addressed in the following products:

  Red Hat OpenShift Service Mesh 2.2 for RHEL 8

Via RHSA-2023:4623 https://access.redhat.com/errata/RHSA-2023:4623
Comment 6 Product Security DevOps Team 2023-08-11 21:14:28 UTC 
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2023-27488
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