SUSE update for ruby2.5

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU47333

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

CVE-ID: CVE-2020-25613

CWE-ID: CWE-444 - Inconsistent Interpretation of HTTP Requests ('HTTP Request Smuggling')

Exploit availability: Yes

Description

The vulnerability allows a remote attacker to preform HTTP request smuggling attacks.

The vulnerability exists due to improper validation of HTTP requests. A remote attacker can send a specially crafted HTTP request to the server and smuggle arbitrary HTTP headers.

Successful exploitation of vulnerability may allow an attacker to poison HTTP cache and perform phishing attacks.

Mitigation

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

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP3

SUSE Manager Proxy: 4.0

SUSE Manager Retail Branch Server: 4.0

SUSE Manager Server: 4.0

SUSE Linux Enterprise High Performance Computing: 15-LTSS - 15-SP1-ESPOS

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

SUSE MicroOS: 5.0

SUSE Linux Enterprise Server: 15-LTSS - 15-SP1-LTSS

SUSE Linux Enterprise Module for Basesystem: 15-SP2 - 15-SP3

ruby2.5-devel-extra: before 2.5.8-4.14.1

ruby2.5-devel: before 2.5.8-4.14.1

ruby2.5-stdlib-debuginfo: before 2.5.8-4.14.1

ruby2.5-stdlib: before 2.5.8-4.14.1

ruby2.5-debugsource: before 2.5.8-4.14.1

ruby2.5-debuginfo: before 2.5.8-4.14.1

ruby2.5: before 2.5.8-4.14.1

libruby2_5-2_5-debuginfo: before 2.5.8-4.14.1

libruby2_5-2_5: before 2.5.8-4.14.1

CPE2.3

• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:15-SP1:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap:15-SP3:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_proxy:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_retail_branch_server:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_manager_server:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-ESPOS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_high_performance_computing:15-SP1-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_enterprise_storage:6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_caas_platform:4.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_microos:5.0:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server:15-LTSS:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_module_for_basesystem:15-SP2:*:*:*:*:*:*:*
• cpe:2.3:a:suse:ruby2.5-devel-extra:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5-stdlib-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5-stdlib:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2.5:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libruby2_5-2_5-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:libruby2_5-2_5:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2021/suse-su-20210933-1/

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. However, proof of concept for this vulnerability is available.