SUSE update for bind

Published: 2022-10-04

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-2795 CVE-2022-38177
CWE-ID	CWE-399 CWE-401
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	SUSE Linux Enterprise Server Operating systems & Components / Operating system bind-utils-debuginfo Operating systems & Components / Operating system package or component bind-utils Operating systems & Components / Operating system package or component bind-libs-debuginfo Operating systems & Components / Operating system package or component bind-libs-debuginfo-32bit Operating systems & Components / Operating system package or component bind-libs Operating systems & Components / Operating system package or component bind-libs-32bit Operating systems & Components / Operating system package or component bind-debugsource Operating systems & Components / Operating system package or component bind-debuginfo Operating systems & Components / Operating system package or component bind-chrootenv Operating systems & Components / Operating system package or component bind Operating systems & Components / Operating system package or component bind-doc Operating systems & Components / Operating system package or component
Vendor	SUSE

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource management error

EUVDB-ID: #VU67545

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2022-2795

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

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

The vulnerability exists due to improper management of internal resources within the application when processing large delegations. A remote attacker can flood the target resolver with queries and perform a denial of service (DoS) attack.

Mitigation

Update the affected package bind to the latest version.

Vulnerable software versions

SUSE Linux Enterprise Server: 12-SP2-BCL - 12-SP3-BCL

bind-utils-debuginfo: before 9.9.9P1-63.37.1

bind-utils: before 9.9.9P1-63.37.1

bind-libs-debuginfo: before 9.9.9P1-63.37.1

bind-libs-debuginfo-32bit: before 9.9.9P1-63.37.1

bind-libs: before 9.9.9P1-63.37.1

bind-libs-32bit: before 9.9.9P1-63.37.1

bind-debugsource: before 9.9.9P1-63.37.1

bind-debuginfo: before 9.9.9P1-63.37.1

bind-chrootenv: before 9.9.9P1-63.37.1

bind: before 9.9.9P1-63.37.1

bind-doc: before 9.9.9P1-63.37.1

CPE2.3

External links

https://www.suse.com/support/update/announcement/2022/suse-su-20223500-1/

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: #VU67549