SUSE update for krb5

1) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU112440

Risk: Medium

CVSSv4.0: 2.7 [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:U/U:Green]

CVE-ID: CVE-2025-3576

CWE-ID: CWE-327 - Use of a Broken or Risky Cryptographic Algorithm

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to usage of RC4-HMAC-MD algorithm for GSSAPI-protected messages. A remote attacker can perform MitM attack.

Mitigation

Update the affected package krb5 to the latest version.

Vulnerable software versions

Server Applications Module: 15-SP6 - 15-SP7

Basesystem Module: 15-SP6 - 15-SP7

SUSE Linux Enterprise Real Time 15: SP6 - SP7

SUSE Linux Enterprise Server for SAP Applications 15: SP6 - SP7

SUSE Linux Enterprise Server 15: SP6 - SP7

SUSE Linux Enterprise Desktop 15: SP6 - SP7

openSUSE Leap: 15.6

krb5-64bit: before 1.20.1-150600.11.14.1

krb5-devel-64bit: before 1.20.1-150600.11.14.1

krb5-64bit-debuginfo: before 1.20.1-150600.11.14.1

krb5-32bit-debuginfo: before 1.20.1-150600.11.14.1

krb5-devel-32bit: before 1.20.1-150600.11.14.1

krb5-32bit: before 1.20.1-150600.11.14.1

krb5-server: before 1.20.1-150600.11.14.1

krb5-client: before 1.20.1-150600.11.14.1

krb5-mini-debuginfo: before 1.20.1-150600.11.14.1

krb5-mini-devel: before 1.20.1-150600.11.14.1

krb5-debuginfo: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-pkinit-debuginfo: before 1.20.1-150600.11.14.1

krb5-mini-debugsource: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-spake: before 1.20.1-150600.11.14.1

krb5-server-debuginfo: before 1.20.1-150600.11.14.1

krb5-client-debuginfo: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-spake-debuginfo: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-pkinit: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-otp-debuginfo: before 1.20.1-150600.11.14.1

krb5: before 1.20.1-150600.11.14.1

krb5-debugsource: before 1.20.1-150600.11.14.1

krb5-mini: before 1.20.1-150600.11.14.1

krb5-plugin-kdb-ldap-debuginfo: before 1.20.1-150600.11.14.1

krb5-plugin-kdb-ldap: before 1.20.1-150600.11.14.1

krb5-devel: before 1.20.1-150600.11.14.1

krb5-plugin-preauth-otp: before 1.20.1-150600.11.14.1

CPE2.3

• cpe:2.3:o:suse:server_applications_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:server_applications_module:15-SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:basesystem_module:15-SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_real_time_15:SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_for_sap_applications_15:SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_server_15:SP7:*:*:*:*:*:*:*
• cpe:2.3:o:suse:suse_linux_enterprise_desktop_15:SP6:*:*:*:*:*:*:*
• cpe:2.3:o:suse:opensuse_leap:15.6:*:*:*:*:*:*:*
• cpe:2.3:a:suse:krb5-64bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-devel-64bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-64bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-32bit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-devel-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-32bit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-server:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-client:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-mini-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-mini-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-pkinit-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-mini-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-spake:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-server-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-client-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-spake-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-pkinit:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-otp-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-debugsource:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-mini:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-kdb-ldap-debuginfo:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-kdb-ldap:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-devel:*:*:*:*:*:suse_linux:*:*
• cpe:2.3:a:suse:krb5-plugin-preauth-otp:*:*:*:*:*:suse_linux:*:*

External links

https://www.suse.com/support/update/announcement/2025/suse-su-20253699-1/

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.