Bug 1220727 (CVE-2023-51774) - VUL-0: CVE-2023-51774: rubygem-json-jwt: JWE can sometimes be used to bypass JSON:JWT.decode
Summary: VUL-0: CVE-2023-51774: rubygem-json-jwt: JWE can sometimes be used to bypass ...
Status: NEW
Alias: CVE-2023-51774
Product: openSUSE Distribution
Classification: openSUSE
Component: Security (show other bugs)
Version: Leap 15.6
Hardware: Other Other
: P3 - Medium : Normal (vote)
Target Milestone: ---
Assignee: Stephan Kulow
QA Contact: Security Team bot
URL: https://smash.suse.de/issue/395627/
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Reported: 2024-03-01 07:04 UTC by SMASH SMASH
Modified: 2024-07-04 08:45 UTC (History)
1 user (show)

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Found By: Security Response Team
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Blocker: ---
Marketing QA Status: ---
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Description SMASH SMASH 2024-03-01 07:04:18 UTC 
The json-jwt (aka JSON::JWT) gem 1.16.3 for Ruby sometimes allows bypass of identity checks via a sign/encryption confusion attack. For example, JWE can sometimes be used to bypass JSON::JWT.decode.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-51774
https://www.cve.org/CVERecord?id=CVE-2023-51774
https://github.com/P3ngu1nW/CVE_Request/blob/main/novjson-jwt.md
Comment 1 Alexander Bergmann 2024-03-01 07:09:17 UTC 
Only Backports need this fix:

openSUSE:Factory                 rubygem-json-jwt-1.16.5
openSUSE:Backports:SLE-15-SP5    rubygem-json-jwt-1.9.1
openSUSE:Backports:SLE-15-SP6    rubygem-json-jwt-1.9.1
Comment 2 OBSbugzilla Bot 2024-07-04 08:45:05 UTC 
This is an autogenerated message for OBS integration:
This bug (1220727) was mentioned in
https://build.opensuse.org/request/show/1185337 Backports:SLE-15-SP6 / rubygem-json-jwt
https://build.opensuse.org/request/show/1185338 Backports:SLE-15-SP5 / rubygem-json-jwt