juniper junos 授权机制不正确

CVE编号

CVE-2022-22157

利用情况

暂无

补丁情况

N/A

披露时间

2022-01-19

漏洞描述

A traffic classification vulnerability in Juniper Networks Junos OS on the SRX Series Services Gateways may allow an attacker to bypass Juniper Deep Packet Inspection (JDPI) rules and access unauthorized networks or resources, when 'no-syn-check' is enabled on the device. JDPI incorrectly classifies out-of-state asymmetric TCP flows as the dynamic-application INCONCLUSIVE instead of UNKNOWN, which is more permissive, causing the firewall to allow traffic to be forwarded that should have been denied. This issue only occurs when 'set security flow tcp-session no-syn-check' is configured on the device. This issue affects Juniper Networks Junos OS on SRX Series: 18.4 versions prior to 18.4R2-S9, 18.4R3-S9; 19.1 versions prior to 19.1R2-S3, 19.1R3-S6; 19.2 versions prior to 19.2R1-S7, 19.2R3-S3; 19.3 versions prior to 19.3R2-S6, 19.3R3-S2; 19.4 versions prior to 19.4R2-S5, 19.4R3-S3; 20.1 versions prior to 20.1R2-S2, 20.1R3; 20.2 versions prior to 20.2R3-S1; 20.3 versions prior to 20.3R3; 20.4 versions prior to 20.4R2-S1, 20.4R3; 21.1 versions prior to 21.1R1-S1, 21.1R2. This issue does not affect Juniper Networks Junos OS versions prior to 18.4R1.

解决建议

建议您更新当前系统或软件至最新版，完成漏洞的修复。

参考链接
https://kb.juniper.net/JSA11265

受影响软件情况

#	类型	厂商	产品	版本	影响面
1
	运行在以下环境
	系统	juniper	junos	18.4	-
	运行在以下环境
	系统	juniper	junos	19.1	-
	运行在以下环境
	系统	juniper	junos	19.2	-
	运行在以下环境
	系统	juniper	junos	19.3	-
	运行在以下环境
	系统	juniper	junos	19.4	-
	运行在以下环境
	系统	juniper	junos	20.1	-
	运行在以下环境
	系统	juniper	junos	20.2	-
	运行在以下环境
	系统	juniper	junos	20.3	-
	运行在以下环境
	系统	juniper	junos	20.4	-
	运行在以下环境
	系统	juniper	junos	21.1	-
	运行在以下环境
	系统	juniper	junos	21.2	-

CVSS3评分 9.3

• 攻击路径 网络
• 攻击复杂度 低
• 权限要求 无
• 影响范围 已更改
• 用户交互 无
• 可用性 无
• 保密性 高
• 完整性 低

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:L/A:N

CWE-ID	漏洞类型
CWE-863	授权机制不正确

Exp相关链接

- avd.aliyun.com