CVE-2021-3996
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I. Basic Information for CVE-2021-3996
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A logic error was found in the libmount library of util-linux in the function that allows an unprivileged user to unmount a FUSE filesystem. This flaw allows a local user on a vulnerable system to unmount other users' filesystems that are either world-writable themselves (like /tmp) or mounted in a world-writable directory. An attacker may use this flaw to cause a denial of service to applications that use the affected filesystems.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
对外部实体的文件或目录可访问
Source: NVD (National Vulnerability Database)
Vulnerability Title
util-linux 权限许可和访问控制问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
util-linux是开源的一个软件包。 util-linux 存在权限许可和访问控制问题漏洞，攻击者可以通过 libmount 导致 util-linux 的致命错误，以触发拒绝服务。
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 |
|---|---|---|---|---|
| - | util-linux | Fixed in util-linux v2.37.3 | - |
II. Public POCs for CVE-2021-3996
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://security.gentoo.org/glsa/202401-08vendor-advisory
- http://seclists.org/fulldisclosure/2022/Dec/4mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2021-3996
Same Patch Batch · n/a · 2022-08-23 · 54 CVEs total
| CVE-2022-24381 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25888 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25761 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-24298 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-21208 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25231 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25304 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-25302 | 7.5 HIGH | Denial of Service (DoS) |
| CVE-2022-37428 | 6.5 MEDIUM | PowerDNS Recursor 安全漏洞 |
| CVE-2021-3839 | DPDK 缓冲区错误漏洞 | |
| CVE-2021-3690 | Red Hat JBoss Enterprise Application Platform资源管理错误漏洞 | |
| CVE-2022-35115 | IceWarp WebClient SQL注入漏洞 | |
| CVE-2020-35509 | Red Hat Keycloak 信任管理问题漏洞 | |
| CVE-2021-3827 | Red Hat Keycloak 授权问题漏洞 | |
| CVE-2021-3798 | openCryptoki 安全漏洞 | |
| CVE-2022-37111 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37112 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37113 | BlueCMS SQL注入漏洞 | |
| CVE-2022-37223 | jfinal cms SQL注入漏洞 | |
| CVE-2022-37199 | jfinal cms SQL注入漏洞 |
Showing top 20 of 54 CVEs. View all on vendor page → →
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Same weakness: CWE-552
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LORIS has a path traversal in FilesDownloadHandler
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