openEuler 22.03 LTS SP3 update for bind

Published: 2024-08-23

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2023-50868 CVE-2024-0760
CWE-ID	CWE-400
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system python3-bind Operating systems & Components / Operating system package or component bind-license Operating systems & Components / Operating system package or component bind-dnssec-doc Operating systems & Components / Operating system package or component bind-utils Operating systems & Components / Operating system package or component bind-pkcs11-utils Operating systems & Components / Operating system package or component bind-pkcs11-libs Operating systems & Components / Operating system package or component bind-pkcs11-devel Operating systems & Components / Operating system package or component bind-pkcs11 Operating systems & Components / Operating system package or component bind-libs Operating systems & Components / Operating system package or component bind-dnssec-utils Operating systems & Components / Operating system package or component bind-devel 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-chroot Operating systems & Components / Operating system package or component bind Operating systems & Components / Operating system package or component
Vendor	openEuler

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU86378

Risk: Medium

CVSSv3.1: 6.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C]

CVE-ID: CVE-2023-50868

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: Yes

Description

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

The vulnerability exists due to improper input validation when processing DNSSEC related records. A remote attacker can trigger resource exhaustion by forcing the DNS server to query a specially crafted DNSSEC zone and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP3

python3-bind: before 9.16.23-23

bind-license: before 9.16.23-23

bind-dnssec-doc: before 9.16.23-23

bind-utils: before 9.16.23-23

bind-pkcs11-utils: before 9.16.23-23

bind-pkcs11-libs: before 9.16.23-23

bind-pkcs11-devel: before 9.16.23-23

bind-pkcs11: before 9.16.23-23

bind-libs: before 9.16.23-23

bind-dnssec-utils: before 9.16.23-23

bind-devel: before 9.16.23-23

bind-debugsource: before 9.16.23-23

bind-debuginfo: before 9.16.23-23

bind-chroot: before 9.16.23-23

bind: before 9.16.23-23

CPE2.3

cpe:2.3:o:openeuler:openeuler:22.03:LTS SP3:*:*:*:*:*:

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2024-2014

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. However, proof of concept for this vulnerability is available.

2) Resource exhaustion

EUVDB-ID: #VU94709