Anolis OS update for bind

Published: 2022-10-05 | Updated: 2025-03-28

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-38177 CVE-2022-38178
CWE-ID	CWE-401
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Anolis OS 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-utils Operating systems & Components / Operating system package or component bind-sdb-chroot Operating systems & Components / Operating system package or component bind-sdb 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-lite-devel Operating systems & Components / Operating system package or component bind-libs-lite Operating systems & Components / Operating system package or component bind-libs Operating systems & Components / Operating system package or component bind-export-libs Operating systems & Components / Operating system package or component bind-export-devel Operating systems & Components / Operating system package or component bind-devel 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	OpenAnolis

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Memory leak

EUVDB-ID: #VU67549

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-2022-38177

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 the DNSSEC verification code for the ECDSA algorithm. A remote attacker can spoof the target resolver with responses that have a malformed ECDSA signature and perform denial of service attack.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Anolis OS: 8

python3-bind: before 9.11.36-3

bind-license: before 9.11.36-3

bind-utils: before 9.11.36-3

bind-sdb-chroot: before 9.11.36-3

bind-sdb: before 9.11.36-3

bind-pkcs11-utils: before 9.11.36-3

bind-pkcs11-libs: before 9.11.36-3

bind-pkcs11-devel: before 9.11.36-3

bind-pkcs11: before 9.11.36-3

bind-lite-devel: before 9.11.36-3

bind-libs-lite: before 9.11.36-3

bind-libs: before 9.11.36-3

bind-export-libs: before 9.11.36-3

bind-export-devel: before 9.11.36-3

bind-devel: before 9.11.36-3

bind-chroot: before 9.11.36-3

bind: before 9.11.36-3

CPE2.3

External links

https://anas.openanolis.cn/errata/detail/ANSA-2022:0723

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: #VU67550