openEuler 22.03 LTS SP1 update for bind

Published: 2023-02-10

Risk	Medium
Patch available	YES
Number of vulnerabilities	3
CVE-ID	CVE-2022-3094 CVE-2022-3736 CVE-2022-3924
CWE-ID	CWE-400 CWE-20 CWE-617
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	openEuler Operating systems & Components / Operating system bind-dnssec-doc Operating systems & Components / Operating system package or component python3-bind Operating systems & Components / Operating system package or component bind-license Operating systems & Components / Operating system package or component bind-pkcs11 Operating systems & Components / Operating system package or component bind-utils Operating systems & Components / Operating system package or component bind-libs Operating systems & Components / Operating system package or component bind-debuginfo 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-pkcs11-libs Operating systems & Components / Operating system package or component bind-pkcs11-devel Operating systems & Components / Operating system package or component bind-chroot Operating systems & Components / Operating system package or component bind-dnssec-utils Operating systems & Components / Operating system package or component bind-pkcs11-utils 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 3 vulnerabilities.

1) Resource exhaustion

EUVDB-ID: #VU71529

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-2022-3094

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

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

The vulnerability exists due to application does not properly control consumption of internal resources when handling DNS updates. A remote attacker can trigger resource exhaustion by sending a flood of dynamic DNS updates.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

bind-dnssec-doc: before 9.16.23-15

python3-bind: before 9.16.23-15

bind-license: before 9.16.23-15

bind-pkcs11: before 9.16.23-15

bind-utils: before 9.16.23-15

bind-libs: before 9.16.23-15

bind-debuginfo: before 9.16.23-15

bind-devel: before 9.16.23-15

bind-debugsource: before 9.16.23-15

bind-pkcs11-libs: before 9.16.23-15

bind-pkcs11-devel: before 9.16.23-15

bind-chroot: before 9.16.23-15

bind-dnssec-utils: before 9.16.23-15

bind-pkcs11-utils: before 9.16.23-15

bind: before 9.16.23-15

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1068

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) Input validation error

EUVDB-ID: #VU71530

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-3736

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted RRSIG query to the DNS server and perform a denial of service (DoS) attack.

Successful exploitation of the vulnerability requires that stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

bind-dnssec-doc: before 9.16.23-15

python3-bind: before 9.16.23-15

bind-license: before 9.16.23-15

bind-pkcs11: before 9.16.23-15

bind-utils: before 9.16.23-15

bind-libs: before 9.16.23-15

bind-debuginfo: before 9.16.23-15

bind-devel: before 9.16.23-15

bind-debugsource: before 9.16.23-15

bind-pkcs11-libs: before 9.16.23-15

bind-pkcs11-devel: before 9.16.23-15

bind-chroot: before 9.16.23-15

bind-dnssec-utils: before 9.16.23-15

bind-pkcs11-utils: before 9.16.23-15

bind: before 9.16.23-15

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1068

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.

3) Reachable Assertion

EUVDB-ID: #VU71531

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-2022-3924

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion. A remote attacker can send specially crafted queries to the resolver and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

openEuler: 22.03 LTS SP1

bind-dnssec-doc: before 9.16.23-15

python3-bind: before 9.16.23-15

bind-license: before 9.16.23-15

bind-pkcs11: before 9.16.23-15

bind-utils: before 9.16.23-15

bind-libs: before 9.16.23-15

bind-debuginfo: before 9.16.23-15

bind-devel: before 9.16.23-15

bind-debugsource: before 9.16.23-15

bind-pkcs11-libs: before 9.16.23-15

bind-pkcs11-devel: before 9.16.23-15

bind-chroot: before 9.16.23-15

bind-dnssec-utils: before 9.16.23-15

bind-pkcs11-utils: before 9.16.23-15

bind: before 9.16.23-15

External links

http://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2023-1068

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.