Oracle Linux 7 : bind (ELSA-2022-6765)

high Nessus Plugin ID 165689

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2022-6765 advisory.

- 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 Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2022-6765.html

Plugin Details

Severity: High

ID: 165689

File Name: oraclelinux_ELSA-2022-6765.nasl

Version: 1.4

Type: local

Agent: unix

Published: 10/5/2022

Updated: 1/26/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, 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: cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:bind, p-cpe:/a:oracle:linux:bind-chroot, p-cpe:/a:oracle:linux:bind-devel, p-cpe:/a:oracle:linux:bind-export-devel, p-cpe:/a:oracle:linux:bind-export-libs, p-cpe:/a:oracle:linux:bind-libs, p-cpe:/a:oracle:linux:bind-libs-lite, p-cpe:/a:oracle:linux:bind-license, p-cpe:/a:oracle:linux:bind-lite-devel, p-cpe:/a:oracle:linux:bind-pkcs11, p-cpe:/a:oracle:linux:bind-pkcs11-devel, p-cpe:/a:oracle:linux:bind-pkcs11-libs, p-cpe:/a:oracle:linux:bind-pkcs11-utils, p-cpe:/a:oracle:linux:bind-sdb, p-cpe:/a:oracle:linux:bind-sdb-chroot, p-cpe:/a:oracle:linux:bind-utils

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 10/3/2022

Vulnerability Publication Date: 9/21/2022

Reference Information

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

IAVA: 2022-A-0387-S