Input validation error in Rack - CVE-2023-27530

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Main Vulnerability Database Vulnerabilities #VU73726

Input validation error in Rack - CVE-2023-27530

Published: March 15, 2023


Vulnerability identifier: #VU73726
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-27530
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input of Multipart MIME header. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.


Affected software

Rack
Debian Linux
SUSE Linux Enterprise High Availability Extension 15
SUSE Linux Enterprise Server for SAP Applications 15
SUSE Linux Enterprise Server 15
SUSE Linux Enterprise High Performance Computing 15
SUSE Linux Enterprise Real Time 15
SUSE Linux Enterprise High Performance Computing ESPOS 15
SUSE Linux Enterprise High Performance Computing LTSS 15
SUSE Manager Server
SUSE Manager Retail Branch Server
SUSE CaaS Platform
SUSE Manager Proxy
SUSE Enterprise Storage
Anolis OS
Ubuntu
Public Cloud Module
SUSE Linux Enterprise High Performance Computing 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 LTSS
SUSE Linux Enterprise Server 15 SP1 Business Critical Linux
SUSE Linux Enterprise Server 15 SP2 LTSS
SUSE Linux Enterprise High Performance Computing 15 SP2 LTSS
SUSE Linux Enterprise Server 15 SP2 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 Business Critical Linux
SUSE Linux Enterprise Server 15 SP3 LTSS
Server Applications Module
openSUSE Leap
Fedora
ruby-rack (Ubuntu package)
pcs (Red Hat package)
pcs-snmp
pcs
ruby2.5-rubygem-rack
ruby2.5-rubygem-rack-testsuite
ruby2.5-rubygem-rack-doc
ruby-rack (Debian package)
rubygem-rack
rmt-server-debuginfo
rmt-server-pubcloud
rmt-server
rmt-server-config
rmt-server-debugsource
IBM Watson Discovery for IBM Cloud Pak for Data
Red Hat Satellite

How to mitigate CVE-2023-27530

Install updates from vendor's website.

Rack - addressed in versions 2.0.9.3, 2.1.4.3, 2.2.6.3, 3.0.4.2
ruby-rack (Ubuntu package) - addressed in versions Ubuntu Pro, 2.1.4-5ubuntu1.1, 2.2.4-3ubuntu0.2, 2.2.7-1ubuntu0.1
pcs (Red Hat package) - addressed in versions 0.10.8-1.el8_4.4, 0.10.12-6.el8_6.4, 0.10.15-4.el8_8.1, 0.11.1-10.el9_0.4, 0.11.4-7.el9_2
pcs-snmp - update to 0.10.15-4.0.1
pcs - update to 0.10.15-4.0.1
ruby2.5-rubygem-rack - update to 2.0.8-150000.3.15.1
ruby2.5-rubygem-rack-testsuite - update to 2.0.8-150000.3.15.1
ruby2.5-rubygem-rack-doc - update to 2.0.8-150000.3.15.1
ruby-rack (Debian package) - update to 2.1.4-3+deb11u1
rubygem-rack - addressed in versions 2.2.21-1.fc41, 2.2.21-9.fc42
rmt-server-debuginfo - addressed in versions 2.13-150100.3.45.1, 2.13-150200.3.32.1, 2.13-150300.3.24.1, 2.13-150400.3.12.1, 2.13-150500.3.3.1
rmt-server-pubcloud - addressed in versions 2.13-150100.3.45.1, 2.13-150200.3.32.1, 2.13-150300.3.24.1, 2.13-150400.3.12.1, 2.13-150500.3.3.1
rmt-server - addressed in versions 2.13-150100.3.45.1, 2.13-150200.3.32.1, 2.13-150300.3.24.1, 2.13-150400.3.12.1, 2.13-150500.3.3.1
rmt-server-config - addressed in versions 2.13-150100.3.45.1, 2.13-150200.3.32.1, 2.13-150300.3.24.1, 2.13-150400.3.12.1, 2.13-150500.3.3.1
rmt-server-debugsource - addressed in versions 2.13-150200.3.32.1, 2.13-150300.3.24.1, 2.13-150400.3.12.1, 2.13-150500.3.3.1
IBM Watson Discovery for IBM Cloud Pak for Data - addressed in versions 4.8.8, 5.1.0
Red Hat Satellite - update to 6.14

External References

Related Security Bulletins