SUSE update for gnutls

Published: 2022-08-17

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2021-4209 CVE-2022-2509
CWE-ID	CWE-476 CWE-415
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	SUSE Linux Enterprise Server for SAP Operating systems & Components / Operating system SUSE Linux Enterprise High Performance Computing Operating systems & Components / Operating system SUSE Enterprise Storage Operating systems & Components / Operating system SUSE CaaS Platform Operating systems & Components / Operating system SUSE Linux Enterprise Server Operating systems & Components / Operating system libgnutls30-hmac-32bit Operating systems & Components / Operating system package or component libgnutls30-32bit-debuginfo Operating systems & Components / Operating system package or component libgnutls30-32bit Operating systems & Components / Operating system package or component libgnutlsxx28-debuginfo Operating systems & Components / Operating system package or component libgnutlsxx28 Operating systems & Components / Operating system package or component libgnutlsxx-devel Operating systems & Components / Operating system package or component libgnutls30-hmac Operating systems & Components / Operating system package or component libgnutls30-debuginfo Operating systems & Components / Operating system package or component libgnutls30 Operating systems & Components / Operating system package or component libgnutls-devel Operating systems & Components / Operating system package or component gnutls-debugsource Operating systems & Components / Operating system package or component gnutls-debuginfo Operating systems & Components / Operating system package or component gnutls Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU66124

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-2021-4209

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error in MD_UPDATE. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package gnutls to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP2

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

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

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

libgnutls30-hmac-32bit: before 3.6.7-150000.6.45.2

libgnutls30-32bit-debuginfo: before 3.6.7-150000.6.45.2

libgnutls30-32bit: before 3.6.7-150000.6.45.2

libgnutlsxx28-debuginfo: before 3.6.7-150000.6.45.2

libgnutlsxx28: before 3.6.7-150000.6.45.2

libgnutlsxx-devel: before 3.6.7-150000.6.45.2

libgnutls30-hmac: before 3.6.7-150000.6.45.2

libgnutls30-debuginfo: before 3.6.7-150000.6.45.2

libgnutls30: before 3.6.7-150000.6.45.2

libgnutls-devel: before 3.6.7-150000.6.45.2

gnutls-debugsource: before 3.6.7-150000.6.45.2

gnutls-debuginfo: before 3.6.7-150000.6.45.2

gnutls: before 3.6.7-150000.6.45.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222830-1/

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) Double Free

EUVDB-ID: #VU65915

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-2509

CWE-ID: CWE-415 - Double Free

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within gnutls_pkcs7_verify() function when verifying the pkcs7 signatures. A remote attacker can pass specially crafted data to the application, trigger a double free error and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update the affected package gnutls to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server for SAP: 15-SP1 - 15-SP2

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

SUSE Enterprise Storage: 6

SUSE CaaS Platform: 4.0

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

libgnutls30-hmac-32bit: before 3.6.7-150000.6.45.2

libgnutls30-32bit-debuginfo: before 3.6.7-150000.6.45.2

libgnutls30-32bit: before 3.6.7-150000.6.45.2

libgnutlsxx28-debuginfo: before 3.6.7-150000.6.45.2

libgnutlsxx28: before 3.6.7-150000.6.45.2

libgnutlsxx-devel: before 3.6.7-150000.6.45.2

libgnutls30-hmac: before 3.6.7-150000.6.45.2

libgnutls30-debuginfo: before 3.6.7-150000.6.45.2

libgnutls30: before 3.6.7-150000.6.45.2

libgnutls-devel: before 3.6.7-150000.6.45.2

gnutls-debugsource: before 3.6.7-150000.6.45.2

gnutls-debuginfo: before 3.6.7-150000.6.45.2

gnutls: before 3.6.7-150000.6.45.2

External links

http://www.suse.com/support/update/announcement/2022/suse-su-20222830-1/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.