Detections
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EulerOS 2.0 SP10 : bind (EulerOS-SA-2022-2838)

high Nessus Plugin ID 168962

Synopsis

The remote EulerOS host is missing multiple security updates.

Description

According to the versions of the bind packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

 - By flooding the target resolver with queries exploiting this flaw an attacker can significantly impair the resolver's performance, effectively denying legitimate clients access to the DNS resolution service.
 (CVE-2022-2795)

 - By spoofing the target resolver with responses that have a malformed ECDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38177)

 - By spoofing the target resolver with responses that have a malformed EdDSA signature, an attacker can trigger a small memory leak. It is possible to gradually erode available memory to the point where named crashes for lack of resources. (CVE-2022-38178)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Update the affected bind packages.

See Also

http://www.nessus.org/u?a6212c03

Plugin Details

Severity: High

ID: 168962

File Name: EulerOS_SA-2022-2838.nasl

Version: 1.1

Type: local

Published: 12/21/2022

Updated: 1/26/2023

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C

CVSS Score Source: CVE-2022-38178

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:huawei:euleros:bind-utils, cpe:/o:huawei:euleros:2.0, p-cpe:/a:huawei:euleros:python3-bind, p-cpe:/a:huawei:euleros:bind-pkcs11, p-cpe:/a:huawei:euleros:bind-libs-lite, p-cpe:/a:huawei:euleros:bind-libs, p-cpe:/a:huawei:euleros:bind-chroot, p-cpe:/a:huawei:euleros:bind, p-cpe:/a:huawei:euleros:bind-export-libs

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/EulerOS/release, Host/EulerOS/rpm-list, Host/EulerOS/sp

Excluded KB Items: Host/EulerOS/uvp_version

Exploit Ease: No known exploits are available

Patch Publication Date: 12/21/2022

Vulnerability Publication Date: 9/21/2022

Reference Information

CVE: CVE-2022-2795, CVE-2022-38177, CVE-2022-38178

IAVA: 2022-A-0387-S