SUSE update for rubygem-rack-1_6

1) Improper Output Neutralization for Logs

EUVDB-ID: #VU105795

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-27111

CWE-ID: CWE-117 - Improper Output Neutralization for Logs

Exploit availability: No

Description

The vulnerability allows a remote attacker to manipulate log entries.

The vulnerability exists due to improper input validation of the X-Sendfile-Type header in Rack::Sendfile when handling. A remote attacker can send specially crafted data containing newline characters via the affected header and manipulate log files.

Mitigation

Update the affected package rubygem-rack-1_6 to the latest version.

Vulnerable software versions

openSUSE Leap: 15.6

ruby2.5-rubygem-rack-doc-1_6: before 1.6.8-150000.3.6.1

ruby2.5-rubygem-rack-testsuite-1_6: before 1.6.8-150000.3.6.1

ruby2.5-rubygem-rack-1_6: before 1.6.8-150000.3.6.1

CPE2.3

• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:ruby2_5-rubygem-rack-doc-1_6:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2_5-rubygem-rack-testsuite-1_6:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:ruby2_5-rubygem-rack-1_6:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-20251492-1/

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.