Rocky Linux 8：bind 和 dhcp (RLSA-2024:3271)
high Nessus 插件 ID 200608
语言：
简介
远程 Rocky Linux 主机缺少一个或多个安全更新。描述
远程 Rocky Linux 8 主机上安装的多个程序包受到 RLSA-2024:3271 公告中提及的多个漏洞影响。* bind9：解析大量 DNS 消息可能导致 CPU 负载过重 (CVE-2023-4408)
* bind9：KeyTrap - DNSSEC 验证器中发生 CPU 被大量消耗 (CVE-2023-50387)
* bind9：准备 NSEC3 最近封装程序证明会导致 CPU 资源耗尽 (CVE-2023-50868)
错误修复：
* bind-export-libs 的 API 更改之后发生 dhcp 重建
Tenable 已直接从 Rocky Linux 安全公告中提取上述描述块。
请注意，Nessus 尚未测试这些问题，而是只依据应用程序自我报告的版本号进行判断。
解决方案
更新受影响的程序包。另见
https://errata.rockylinux.org/RLSA-2024:3271
https://bugzilla.redhat.com/show_bug.cgi?id=2263896
插件详情
严重性: High
ID: 200608
文件名: rocky_linux_RLSA-2024-3271.nasl
版本: 1.2
类型: local
发布时间: 2024/6/14
最近更新时间: 2024/7/26
支持的传感器: Nessus Agent, Continuous Assessment, Nessus
风险信息
VPR
风险因素: Medium
分数: 5.1
CVSS v2
风险因素: High
基本分数: 7.8
时间分数: 5.8
矢量: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS 分数来源: CVE-2023-50387
CVSS v3
风险因素: High
基本分数: 7.5
时间分数: 6.5
矢量: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
时间矢量: CVSS:3.0/E:U/RL:O/RC:C
漏洞信息
CPE: p-cpe:/a:rocky:linux:bind-export-devel, p-cpe:/a:rocky:linux:bind-pkcs11-debuginfo, p-cpe:/a:rocky:linux:dhcp-libs-debuginfo, p-cpe:/a:rocky:linux:dhcp-debugsource, p-cpe:/a:rocky:linux:dhcp-client, p-cpe:/a:rocky:linux:bind-debugsource, p-cpe:/a:rocky:linux:dhcp-relay-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11-devel, p-cpe:/a:rocky:linux:bind-chroot, p-cpe:/a:rocky:linux:python3-bind, p-cpe:/a:rocky:linux:bind-pkcs11-libs-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11, p-cpe:/a:rocky:linux:dhcp-server-debuginfo, p-cpe:/a:rocky:linux:bind-sdb, p-cpe:/a:rocky:linux:bind-license, p-cpe:/a:rocky:linux:bind-libs-debuginfo, p-cpe:/a:rocky:linux:bind-sdb-debuginfo, p-cpe:/a:rocky:linux:bind-export-libs-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11-libs, p-cpe:/a:rocky:linux:dhcp-libs, p-cpe:/a:rocky:linux:bind-devel, p-cpe:/a:rocky:linux:bind-utils, p-cpe:/a:rocky:linux:bind-pkcs11-utils-debuginfo, p-cpe:/a:rocky:linux:dhcp-common, p-cpe:/a:rocky:linux:bind, p-cpe:/a:rocky:linux:bind-libs, p-cpe:/a:rocky:linux:dhcp-client-debuginfo, p-cpe:/a:rocky:linux:bind-lite-devel, p-cpe:/a:rocky:linux:bind-sdb-chroot, p-cpe:/a:rocky:linux:bind-libs-lite, p-cpe:/a:rocky:linux:dhcp-relay, p-cpe:/a:rocky:linux:bind-libs-lite-debuginfo, cpe:/o:rocky:linux:8, p-cpe:/a:rocky:linux:bind-debuginfo, p-cpe:/a:rocky:linux:bind-export-libs, p-cpe:/a:rocky:linux:dhcp-debuginfo, p-cpe:/a:rocky:linux:bind-utils-debuginfo, p-cpe:/a:rocky:linux:bind-pkcs11-utils, p-cpe:/a:rocky:linux:dhcp-server
必需的 KB 项: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list
易利用性: No known exploits are available
补丁发布日期: 2024/6/14
漏洞发布日期: 2024/2/13
参考资料信息
CVE: CVE-2023-4408, CVE-2023-50387, CVE-2023-50868
IAVA: 2024-A-0103-S