Bug 1759816 (CVE-2019-14993) - CVE-2019-14993 istio/envoy: mishandling regular expressions for long URIs leading to DoS
Summary: CVE-2019-14993 istio/envoy: mishandling regular expressions for long URIs lea...
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2019-14993
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks: 1759817
TreeView+ depends on / blocked
 
Reported: 2019-10-09 08:10 UTC by Marian Rehak
Modified: 2021-10-25 09:53 UTC (History)
2 users (show)

Fixed In Version:
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Doc Text:
A flaw was found in Istio in versions prior to 1.1.13 and 1.2.4. Regular expressions for long URIs are mishandled leading to a denial of service during the use of JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API. The highest threat from this vulnerability is to system availability.
Clone Of:
Environment:
Last Closed: 2021-10-25 09:53:50 UTC
Embargoed:

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Description Marian Rehak 2019-10-09 08:10:25 UTC 
Istio before 1.1.13 and 1.2.x before 1.2.4 mishandles regular expressions for long URIs, leading to a denial of service during use of the JWT, VirtualService, HTTPAPISpecBinding, or QuotaSpecBinding API.

Upstream Issue:

https://github.com/envoyproxy/envoy/issues/7728

References:

https://istio.io/news/2019/istio-security-003-004/
Comment 2 Eric Christensen 2020-05-04 17:54:56 UTC 
External References:

https://istio.io/news/2019/istio-security-003-004/
Comment 3 Mark Cooper 2020-05-13 02:00:38 UTC 
Used FixCVE names as this was released in an RHEA: https://access.redhat.com/errata/RHEA-2020:1416
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