[Bug 1220727] New: VUL-0: CVE-2023-51774: rubygem-json-jwt: JWE can sometimes be used to bypass JSON:JWT.decode
https://bugzilla.suse.com/show_bug.cgi?id=1220727 Bug ID: 1220727 Summary: VUL-0: CVE-2023-51774: rubygem-json-jwt: JWE can sometimes be used to bypass JSON:JWT.decode Classification: openSUSE Product: openSUSE Distribution Version: Leap 15.6 Hardware: Other URL: https://smash.suse.de/issue/395627/ OS: Other Status: NEW Severity: Normal Priority: P5 - None Component: Security Assignee: security-team@suse.de Reporter: smash_bz@suse.de QA Contact: security-team@suse.de CC: abergmann@suse.com Target Milestone: --- Found By: Security Response Team Blocker: --- 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 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1220727 https://bugzilla.suse.com/show_bug.cgi?id=1220727#c1 Alexander Bergmann <abergmann@suse.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|security-team@suse.de |coolo@suse.com --- Comment #1 from Alexander Bergmann <abergmann@suse.com> --- 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 -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1220727 Maintenance Automation <maint-coord+maintenance-robot@suse.de> changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P3 - Medium -- You are receiving this mail because: You are on the CC list for the bug.
https://bugzilla.suse.com/show_bug.cgi?id=1220727 https://bugzilla.suse.com/show_bug.cgi?id=1220727#c3 --- Comment #3 from Marcus Meissner <meissner@suse.com> --- openSUSE-SU-2025:0004-1: An update that fixes two vulnerabilities is now available. Category: security (moderate) Bug References: 1156649,1220727 CVE References: CVE-2019-18848,CVE-2023-51774 JIRA References: Sources used: openSUSE Backports SLE-15-SP5 (src): rubygem-aes_key_wrap-1.1.0-bp155.2.1, rubygem-json-jwt-1.16.6-bp155.3.3.1 -- You are receiving this mail because: You are on the CC list for the bug.
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