Bug 1903714 (CVE-2020-26521) - CVE-2020-26521 nats-server: nil dereferences in JWT library causing Go panic
Summary: CVE-2020-26521 nats-server: nil dereferences in JWT library causing Go panic
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2020-26521
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1903716
Blocks:
TreeView+ depends on / blocked
 
Reported: 2020-12-02 17:06 UTC by Dhananjay Arunesh
Modified: 2021-05-22 21:04 UTC (History)
1 user (show)

Fixed In Version:
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Clone Of:
Environment:
Last Closed: 2020-12-02 17:34:04 UTC
Embargoed:


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Description Dhananjay Arunesh 2020-12-02 17:06:46 UTC
The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).

References:
http://www.openwall.com/lists/oss-security/2020/11/02/2
https://github.com/nats-io/nats-server/commits/master

Comment 1 Dhananjay Arunesh 2020-12-02 17:07:29 UTC
Created nats-server tracking bugs for this issue:

Affects: fedora-all [bug 1903716]

Comment 2 Product Security DevOps Team 2020-12-02 17:34:04 UTC
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.

Comment 3 msiddiqu 2021-05-22 21:04:25 UTC
External References:
 
https://advisories.nats.io/CVE/CVE-2020-26521.txt


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