Use of a broken or risky cryptographic algorithm in cjose - CVE-2023-37464

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Main Vulnerability Database Vulnerabilities #VU78844

Use of a broken or risky cryptographic algorithm in cjose - CVE-2023-37464

Published: August 1, 2023


Vulnerability identifier: #VU78844
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-37464
CWE-ID: CWE-327
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to an error in the AES GCM decryption routine that uses the Tag length from the actual Authentication Tag provided in the JWE. A remote attacker can provide a truncated Authentication Tag and to modify the JWE accordingly.


Affected software

cjose
Debian Linux
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise Server for SAP Applications 12
SUSE Linux Enterprise Server 12
SUSE Linux Enterprise High Performance Computing 12
SUSE CaaS Platform
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for ARM 64
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for Power, little endian - Extended Update Support
SUSE OpenStack Cloud
SUSE OpenStack Cloud Crowbar
SUSE Linux Enterprise Server 12 SP4 LTSS
SUSE Linux Enterprise Server 12 SP4 ESPOS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP3 LTSS
Server Applications Module
openSUSE Leap
Ubuntu
openEuler
Fedora
Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
libcjose0 (Ubuntu package)
cjose (Debian package)
cjose-devel
cjose
libcjose0-debuginfo
libcjose0
cjose-debugsource
cjose (Red Hat package)
libcjose-devel
cjose-debuginfo
mod_auth_openidc

How to mitigate CVE-2023-37464

Install updates from vendor's website.

cjose - update to 0.6.2.2
libcjose0 (Ubuntu package) - addressed in versions Ubuntu Pro, 0.6.1+dfsg1-1ubuntu0.1, 0.6.1+dfsg1-3ubuntu1.1, 0.6.2.1-1ubuntu0.1
cjose (Debian package) - addressed in versions 0.6.1+dfsg1-1+deb11u1, 0.6.2.1-1+deb12u1
cjose-devel - update to 0.6.1-3
cjose - update to 0.6.1-3
libcjose0-debuginfo - addressed in versions 0.6.1-7.5.1, 0.6.1-150100.4.6.1
libcjose0 - addressed in versions 0.6.1-7.5.1, 0.6.1-150100.4.6.1
cjose-debugsource - addressed in versions 0.6.1-7.5.1, 0.6.1-150100.4.6.1
cjose (Red Hat package) - addressed in versions 0.6.1-13.el9_0, 0.6.1-13.el9_2
libcjose-devel - update to 0.6.1-150100.4.6.1
cjose - update to 0.6.2.2-1
cjose-devel - update to 0.6.2.2-1
cjose-debugsource - update to 0.6.2.2-1
cjose-debuginfo - update to 0.6.2.2-1
cjose - addressed in versions 0.6.2.2-2.fc37, 0.6.2.2-2.fc38, 0.6.2.2-2.fc39
mod_auth_openidc - update to 2.4.9.4-1

External References

Related Security Bulletins