CVE-2019-3691— Local privilege escalation from user munge to root
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I. Basic Information for CVE-2019-3691
Vulnerability Information
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Vulnerability Title
Local privilege escalation from user munge to root
Source: NVD (National Vulnerability Database)
Vulnerability Description
A Symbolic Link (Symlink) Following vulnerability in the packaging of munge in SUSE Linux Enterprise Server 15; openSUSE Factory allowed local attackers to escalate privileges from user munge to root. This issue affects: SUSE Linux Enterprise Server 15 munge versions prior to 0.5.13-4.3.1. openSUSE Factory munge versions prior to 0.5.13-6.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在文件访问前对链接解析不恰当(链接跟随)
Source: NVD (National Vulnerability Database)
Vulnerability Title
munge 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
munge是一款用于创建和验证凭据的身份验证服务。 munge中存在后置链接漏洞。攻击者可利用该漏洞将权限提升至root。以下产品及版本受到影响：munge 0.5.13-4.3.1之前版本（SUSE Linux Enterprise Server 15版本），munge 0.5.13-6.1之前版本（openSUSE Factory）。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| SUSE | SUSE Linux Enterprise Server 15 | munge ~ 0.5.13-4.3.1 | - | |
| openSUSE | Factory | munge ~ 0.5.13-6.1 | - |
II. Public POCs for CVE-2019-3691
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://bugzilla.suse.com/show_bug.cgi?id=1155075x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2019-3691
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