SUSE update for rubygem-puma

1) Inconsistent interpretation of HTTP requests

EUVDB-ID: #VU82971

Risk: Medium

CVSSv3.1: 5.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-40175

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

Exploit availability: No

Description

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

The vulnerability exists due to improper validation of HTTP requests when parsing chunked transfer encoding bodies and zero-length Content-Length headers. 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 rubygem-puma to the latest version.

Vulnerable software versions

SUSE Linux Enterprise High Availability Extension 15: SP1 - SP5

SUSE Linux Enterprise Server for SAP Applications 15: SP1 - SP5

SUSE Linux Enterprise Server 15: SP1 - SP5

SUSE Linux Enterprise High Performance Computing 15: SP1 - SP5

SUSE Linux Enterprise Server 15 SP3 Business Critical Linux: 15-SP3

SUSE Linux Enterprise Server 15 SP2 Business Critical Linux: 15-SP2

SUSE Linux Enterprise Server 15 SP1 Business Critical Linux: 15-SP1

openSUSE Leap: 15.4 - 15.5

SUSE Manager Retail Branch Server: 4.0 - 4.3

SUSE Manager Proxy: 4.0 - 4.3

SUSE Manager Server: 4.0 - 4.3

rubygem-puma-debugsource: before 4.3.12-150000.3.12.1

ruby2.5-rubygem-puma: before 4.3.12-150000.3.12.1

ruby2.5-rubygem-puma-doc: before 4.3.12-150000.3.12.1

ruby2.5-rubygem-puma-debuginfo: before 4.3.12-150000.3.12.1

External links

http://www.suse.com/support/update/announcement/2023/suse-su-20233957-1/

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.