CVE-2021-40153
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I. Basic Information for CVE-2021-40153
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
squashfs_opendir in unsquash-1.c in Squashfs-Tools 4.5 stores the filename in the directory entry; this is then used by unsquashfs to create the new file during the unsquash. The filename is not validated for traversal outside of the destination directory, and thus allows writing to locations outside of the destination.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
squashfs-tools 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
squashfs-tools是一个开源软件包。 Squashfs-Tools 4.5版本存在安全漏洞，该漏洞源于在软件中的unsquash-1.c中的squashfs_opendir函数负责存储目录条目中的文件名，然后unsquashfs使用它在unsquash期间创建新文件。函数文件名操作对于目标目录外的遍历并不进行验证，因此文件名被允许写入到目标目录外的位置。
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 |
|---|---|---|---|---|
| - | n/a | n/a | - |
II. Public POCs for CVE-2021-40153
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://www.debian.org/security/2021/dsa-4967vendor-advisory
- https://security.gentoo.org/glsa/202305-29vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-40153
Same Patch Batch · n/a · 2021-08-27 · 17 CVEs total
| CVE-2021-40142 | 7.5 HIGH | Local Discovery Server 缓冲区错误漏洞 |
| CVE-2021-23434 | 5.6 MEDIUM | Prototype Pollution |
| CVE-2020-18116 | YouDianCMS SQL注入漏洞 | |
| CVE-2020-18114 | Desdev DedeCMS 代码问题漏洞 | |
| CVE-2020-18106 | WMS SQL注入漏洞 | |
| CVE-2021-28233 | ok-file-formats 缓冲区错误漏洞 | |
| CVE-2020-19002 | Mezzanine 跨站脚本漏洞 | |
| CVE-2020-19000 | Simiki 跨站脚本漏洞 | |
| CVE-2020-19001 | Github Simiki 命令注入漏洞 | |
| CVE-2020-18999 | Blog_mini 跨站脚本漏洞 | |
| CVE-2020-18998 | Blog_mini 跨站脚本漏洞 | |
| CVE-2021-3264 | Cxuucms SQL注入漏洞 | |
| CVE-2021-36530 | ngiflib 缓冲区错误漏洞 | |
| CVE-2021-36531 | ngiflib 缓冲区错误漏洞 | |
| CVE-2021-35342 | useradm 代码问题漏洞 | |
| CVE-2020-23226 | Cacti 跨站脚本漏洞 |
IV. Related Vulnerabilities
Same vendor: n/a
- CVE-2026-8276
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bettercap zerogod IPP Service zerogod_ipp_primitives.go ippR - CVE-2026-8270
Open5GS SMF ogs_nas_parse_qos_rules denial of service - CVE-2026-8269
Open5GS SMF smf_nsmf_handle_create_sm_context denial of serv - CVE-2026-8268
Open5GS SMF OpenAPI_list_create denial of service
V. Comments for CVE-2021-40153
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