阿里云漏洞库

漏洞描述

A symbolic link issue was found in rpm. It occurs when rpm sets the desired permissions and credentials after installing a file. A local unprivileged user could use this flaw to exchange the original file with a symbolic link to a security-critical file and escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

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://access.redhat.com/security/cve/CVE-2021-35938
https://bugzilla.redhat.com/show_bug.cgi?id=1964114
https://bugzilla.suse.com/show_bug.cgi?id=1157880
https://github.com/rpm-software-management/rpm/commit/25a435e90844ea98fe5eb7b...
https://github.com/rpm-software-management/rpm/pull/1919
https://rpm.org/wiki/Releases/4.18.0
https://security.gentoo.org/glsa/202210-22

受影响软件情况

1
#	类型	厂商	产品	版本	影响面
	运行在以下环境
	应用	rpm	rpm	*		Up to (excluding) 4.18.0
	运行在以下环境
	系统	alma_linux_8	rpm	*		Up to (excluding) 4.14.3-28.el8_9
	运行在以下环境
	系统	alma_linux_9	rpm	*		Up to (excluding) 4.16.1.3-27.el9_3
	运行在以下环境
	系统	alpine_3.17	rpm	*		Up to (excluding) 4.18.0-r0
	运行在以下环境
	系统	alpine_3.18	rpm	*		Up to (excluding) 4.18.0-r0
	运行在以下环境
	系统	alpine_3.19	rpm	*		Up to (excluding) 4.18.0-r0
	运行在以下环境
	系统	debian_12	rpm	*		Up to (excluding) 4.18.0+dfsg-1
	运行在以下环境
	系统	kylinos_aarch64_V10	rpm	*		Up to (excluding) 4.15.1-37.p01.ky10
	运行在以下环境
	系统	kylinos_aarch64_V10SP1	rpm	*		Up to (excluding) 4.15.1-28.p01.ky10
	运行在以下环境
	系统	kylinos_aarch64_V10SP2	rpm	*		Up to (excluding) 4.15.1-28.p01.ky10
	运行在以下环境
	系统	kylinos_loongarch64_V10SP1	rpm	*		Up to (excluding) 4.15.1-28.p03.a.ky10
	运行在以下环境
	系统	kylinos_loongarch64_V10SP3	rpm	*		Up to (excluding) 4.15.1-37.p01.a.ky10
	运行在以下环境
	系统	kylinos_x86_64_V10	rpm	*		Up to (excluding) 4.15.1-37.p01.ky10
	运行在以下环境
	系统	kylinos_x86_64_V10SP1	rpm	*		Up to (excluding) 4.15.1-28.p01.ky10
	运行在以下环境
	系统	kylinos_x86_64_V10SP2	rpm	*		Up to (excluding) 4.15.1-28.p02.ky10
	运行在以下环境
	系统	kylinos_x86_64_V10SP3	rpm	*		Up to (excluding) 4.15.1-37.p01.ky10
	运行在以下环境
	系统	oracle_9	rpm	*		Up to (excluding) 4.16.1.3-27.el9_3
	运行在以下环境
	系统	redhat_8	rpm	*		Up to (excluding) 4.14.3-28.el8_9
	运行在以下环境
	系统	redhat_9	rpm	*		Up to (excluding) 4.16.1.3-27.el9_3

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

数据泄露
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）

低危 rpm rpm 在文件访问前对链接解析不恰当（链接跟随）

漏洞描述

解决建议

参考链接

受影响软件情况