SUSE update for krb5



Published: 2024-04-09
Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2024-26458
CVE-2024-26461
CWE-ID CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		SUSE Linux Enterprise Software Development Kit 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Server for SAP Applications 12
Operating systems & Components / Operating system

SUSE Linux Enterprise Server 12
Operating systems & Components / Operating system

SUSE Linux Enterprise High Performance Computing 12
Operating systems & Components / Operating system

krb5-devel
Operating systems & Components / Operating system package or component

krb5-debuginfo-32bit
Operating systems & Components / Operating system package or component

krb5-32bit
Operating systems & Components / Operating system package or component

krb5-plugin-preauth-otp
Operating systems & Components / Operating system package or component

krb5-debugsource
Operating systems & Components / Operating system package or component

krb5-client-debuginfo
Operating systems & Components / Operating system package or component

krb5-debuginfo
Operating systems & Components / Operating system package or component

krb5
Operating systems & Components / Operating system package or component

krb5-plugin-preauth-pkinit-debuginfo
Operating systems & Components / Operating system package or component

krb5-plugin-kdb-ldap-debuginfo
Operating systems & Components / Operating system package or component

krb5-client
Operating systems & Components / Operating system package or component

krb5-plugin-preauth-otp-debuginfo
Operating systems & Components / Operating system package or component

krb5-server-debuginfo
Operating systems & Components / Operating system package or component

krb5-server
Operating systems & Components / Operating system package or component

krb5-plugin-kdb-ldap
Operating systems & Components / Operating system package or component

krb5-doc
Operating systems & Components / Operating system package or component

krb5-plugin-preauth-pkinit
Operating systems & Components / Operating system package or component

Vendor SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory leak

EUVDB-ID: #VU88225

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26458

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to memory leak in /krb5/src/lib/rpc/pmap_rmt.c. A remote attacker can perform a denial of service attack.

Mitigation

Update the affected package krb5 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

krb5-devel: before 1.16.3-46.6.1

krb5-debuginfo-32bit: before 1.16.3-46.6.1

krb5-32bit: before 1.16.3-46.6.1

krb5-plugin-preauth-otp: before 1.16.3-46.6.1

krb5-debugsource: before 1.16.3-46.6.1

krb5-client-debuginfo: before 1.16.3-46.6.1

krb5-debuginfo: before 1.16.3-46.6.1

krb5: before 1.16.3-46.6.1

krb5-plugin-preauth-pkinit-debuginfo: before 1.16.3-46.6.1

krb5-plugin-kdb-ldap-debuginfo: before 1.16.3-46.6.1

krb5-client: before 1.16.3-46.6.1

krb5-plugin-preauth-otp-debuginfo: before 1.16.3-46.6.1

krb5-server-debuginfo: before 1.16.3-46.6.1

krb5-server: before 1.16.3-46.6.1

krb5-plugin-kdb-ldap: before 1.16.3-46.6.1

krb5-doc: before 1.16.3-46.6.1

krb5-plugin-preauth-pkinit: before 1.16.3-46.6.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241148-1/


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.

2) Memory leak

EUVDB-ID: #VU88226

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-26461

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in /krb5/src/lib/gssapi/krb5/k5sealv3.c. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Update the affected package krb5 to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Software Development Kit 12: SP5

SUSE Linux Enterprise Server for SAP Applications 12: SP5

SUSE Linux Enterprise Server 12: SP5

SUSE Linux Enterprise High Performance Computing 12: SP5

krb5-devel: before 1.16.3-46.6.1

krb5-debuginfo-32bit: before 1.16.3-46.6.1

krb5-32bit: before 1.16.3-46.6.1

krb5-plugin-preauth-otp: before 1.16.3-46.6.1

krb5-debugsource: before 1.16.3-46.6.1

krb5-client-debuginfo: before 1.16.3-46.6.1

krb5-debuginfo: before 1.16.3-46.6.1

krb5: before 1.16.3-46.6.1

krb5-plugin-preauth-pkinit-debuginfo: before 1.16.3-46.6.1

krb5-plugin-kdb-ldap-debuginfo: before 1.16.3-46.6.1

krb5-client: before 1.16.3-46.6.1

krb5-plugin-preauth-otp-debuginfo: before 1.16.3-46.6.1

krb5-server-debuginfo: before 1.16.3-46.6.1

krb5-server: before 1.16.3-46.6.1

krb5-plugin-kdb-ldap: before 1.16.3-46.6.1

krb5-doc: before 1.16.3-46.6.1

krb5-plugin-preauth-pkinit: before 1.16.3-46.6.1

External links

http://www.suse.com/support/update/announcement/2024/suse-su-20241148-1/


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.



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