SUSE update for ruby2.5

1) Spoofing attack

EUVDB-ID: #VU58365

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41819

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data in CGI::Cookie.parse. A remote attacker can spoof page content.

Mitigation

Update the affected package ruby2.5 to the latest version.

Vulnerable software versions

SUSE Manager Retail Branch Server: 4.2 - 4.3

SUSE Linux Enterprise Storage: 7.1

SUSE Manager Server: 4.2 - 4.3

SUSE Manager Proxy: 4.2 - 4.3

SUSE Linux Enterprise Module for Basesystem: 15-SP3 - 15-SP4

SUSE Linux Enterprise Desktop: 15-SP3 - 15-SP4

openSUSE Leap: 15.3 - 15.4

SUSE Linux Enterprise Server for SAP Applications: 15-SP3 - 15-SP4

SUSE Linux Enterprise Server: 15-SP3 - 15-SP4

SUSE Linux Enterprise High Performance Computing: 15-SP3 - 15-SP4

ruby2.5-doc-ri: before 2.5.9-150000.4.26.1

ruby2.5-stdlib-debuginfo: before 2.5.9-150000.4.26.1

ruby2.5-stdlib: before 2.5.9-150000.4.26.1

ruby2.5-doc: before 2.5.9-150000.4.26.1

ruby2.5-devel-extra: before 2.5.9-150000.4.26.1

ruby2.5-devel: before 2.5.9-150000.4.26.1

ruby2.5-debugsource: before 2.5.9-150000.4.26.1

ruby2.5-debuginfo: before 2.5.9-150000.4.26.1

ruby2.5: before 2.5.9-150000.4.26.1

libruby2_5-2_5-debuginfo: before 2.5.9-150000.4.26.1

libruby2_5-2_5: before 2.5.9-150000.4.26.1

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20223292-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.