dbdeployer dbdeployer 在文件访问前对链接解析不恰当（链接跟随）

CVE编号

CVE-2020-26277

利用情况

暂无

补丁情况

N/A

披露时间

2020-12-22

漏洞描述

DBdeployer is a tool that deploys MySQL database servers easily. In DBdeployer before version 1.58.2, users unpacking a tarball may use a maliciously packaged tarball that contains symlinks to files external to the target. In such scenario, an attacker could induce dbdeployer to write into a system file, thus altering the computer defenses. For the attack to succeed, the following factors need to contribute: 1) The user is logged in as root. While dbdeployer is usable as root, it was designed to run as unprivileged user. 2) The user has taken a tarball from a non secure source, without testing the checksum. When the tarball is retrieved through dbdeployer, the checksum is compared before attempting to unpack. This has been fixed in version 1.58.2.

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://github.com/datacharmer/dbdeployer/commit/548e256c1de2f99746e861454e77...
https://github.com/datacharmer/dbdeployer/security/advisories/GHSA-47wr-426j-fr82

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	dbdeployer	dbdeployer	*		Up to (excluding) 1.58.2

CVSS3评分 6.1

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

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