低危 suse arpwatch unix符号链接跟随

CVE编号

CVE-2021-25321

利用情况

暂无

补丁情况

官方补丁

披露时间

2021-06-30

漏洞描述

A UNIX Symbolic Link (Symlink) Following vulnerability in arpwatch of SUSE Linux Enterprise Server 11-SP4-LTSS, SUSE Manager Server 4.0, SUSE OpenStack Cloud Crowbar 9; openSUSE Factory, Leap 15.2 allows local attackers with control of the runtime user to run arpwatch as to escalate to root upon the next restart of arpwatch. This issue affects: SUSE Linux Enterprise Server 11-SP4-LTSS arpwatch versions prior to 2.1a15. SUSE Manager Server 4.0 arpwatch versions prior to 2.1a15. SUSE OpenStack Cloud Crowbar 9 arpwatch versions prior to 2.1a15. openSUSE Factory arpwatch version 2.1a15-169.5 and prior versions. openSUSE Leap 15.2 arpwatch version 2.1a15-lp152.5.5 and prior versions.

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://bugzilla.suse.com/show_bug.cgi?id=1186240

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
	应用	opensuse	factory	-	-
	运行在以下环境
	应用	suse	arpwatch	*		Up to (excluding) 2.1a15
	运行在以下环境
	应用	suse	arpwatch	*		Up to (including) 2.1a15-169.5
	运行在以下环境
	应用	suse	arpwatch	*		Up to (including) 2.1a15-lp152.5.5
	运行在以下环境
	应用	suse	manager_server	4.0	-
	运行在以下环境
	应用	suse	openstack_cloud_crowbar	9.0	-
	运行在以下环境
	系统	debian_10	arpwatch	*		Up to (excluding) 2.1a15-7
	运行在以下环境
	系统	debian_11	arpwatch	*		Up to (excluding) 2.1a15-8
	运行在以下环境
	系统	debian_12	arpwatch	*		Up to (excluding) 2.1a15-8
	运行在以下环境
	系统	debian_sid	arpwatch	*		Up to (excluding) 2.1a15-8
	运行在以下环境
	系统	opensuse_Leap_15.2	arpwatch	*		Up to (excluding) 2.1a15-lp152.6.9.1
	运行在以下环境
	系统	opensuse_Leap_15.3	arpwatch-ethercodes-build-2.1a15	*		Up to (excluding) 5.12.1
	运行在以下环境
	系统	suse_12_SP5	arpwatch-2.1a15	*		Up to (excluding) 159.9.1

阿里云评分 2.9

• 攻击路径 本地
• 攻击复杂度 容易
• 权限要求 普通权限
• 影响范围 有限影响
• EXP成熟度 N/A
• 补丁情况 官方补丁
• 数据保密性 无影响
• 数据完整性 无影响
• 服务器危害 无影响
• 全网数量 N/A

CWE-ID	漏洞类型
CWE-59	在文件访问前对链接解析不恰当（链接跟随）
CWE-61	UNIX符号链接跟随
NVD-CWE-Other

Exp相关链接

- avd.aliyun.com