CVE-2021-22555— Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
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I. Basic Information for CVE-2021-22555
Vulnerability Information
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Vulnerability Title
Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE
Source: NVD (National Vulnerability Database)
Vulnerability Description
A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
跨界内存写
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在缓冲区错误漏洞，该漏洞源于net/netfilter/x_tables.c 中的堆越界写入。该漏洞允许攻击者通过用户名空间获得权限或引起 DoS。
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)
Shenlong Deep Dive — AI Deep Analysis
10-question deep dive: root cause, exploitation, mitigation, urgency. Read summary free, full version requires login.
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| - | Linux Kernel | 2.6.19-rc1 ~ unspecified | - |
II. Public POCs for CVE-2021-22555
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | None | https://github.com/JoneyJunior/cve-2021-22555 | POC Details |
| 2 | CVE-2021-22555 Exploit | https://github.com/xyjl-ly/CVE-2021-22555-Exploit | POC Details |
| 3 | None | https://github.com/cgwalters/container-cve-2021-22555 | POC Details |
| 4 | None | https://github.com/daletoniris/CVE-2021-22555-esc-priv | POC Details |
| 5 | CVE-2021-22555 exploit rewritten with pipe primitive | https://github.com/veritas501/CVE-2021-22555-PipeVersion | POC Details |
| 6 | Script of Network Security Project - Attack on CVE-2021-22555 | https://github.com/masjohncook/netsec-project | POC Details |
| 7 | This repo hosts TUKRU's Linux Privilege Escalation exploit (CVE-2021-22555). It demonstrates gaining root privileges via a vulnerability. Tested on Ubuntu 5.8.0-48-generic and COS 5.4.89+. Use responsibly and ethically. | https://github.com/tukru/CVE-2021-22555 | POC Details |
| 8 | Linux Kernel 2.6.19 < 5.9 - 'Netfilter Local Privilege Escalation' | https://github.com/pashayogi/CVE-2021-22555 | POC Details |
| 9 | None | https://github.com/kakaroot1337/-2021-LOCALROOT-CVE-2021-22555 | POC Details |
| 10 | None | https://github.com/letsr00t/-2021-LOCALROOT-CVE-2021-22555 | POC Details |
| 11 | None | https://github.com/letsr00t/CVE-2021-22555 | POC Details |
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Same Patch Batch · n/a · 2021-07-07 · 42 CVEs total
| CVE-2021-33220 | CommScope Ruckus IoT Controller 信任管理问题漏洞 | |
| CVE-2020-25925 | IceWarp WebClient 跨站脚本漏洞 | |
| CVE-2021-26273 | NinjaRMM 访问控制错误漏洞 | |
| CVE-2021-26274 | NinjaRMM 安全漏洞 | |
| CVE-2021-28931 | Fork CMS 代码问题漏洞 | |
| CVE-2021-31925 | Pexip Infinity 输入验证错误漏洞 | |
| CVE-2021-33215 | CommScope Ruckus IoT Controller 路径遍历漏洞 | |
| CVE-2021-33216 | CommScope Ruckus IoT Controller 安全漏洞 | |
| CVE-2021-33217 | CommScope Ruckus IoT Controller 缓冲区错误漏洞 | |
| CVE-2021-33218 | CommScope Ruckus IoT Controller 信任管理问题漏洞 | |
| CVE-2021-33219 | CommScope Ruckus IoT Controller 信任管理问题漏洞 | |
| CVE-2020-25868 | Pexip Infinity 输入验证错误漏洞 | |
| CVE-2021-33221 | CommScope Ruckus IoT Controller 访问控制错误漏洞 | |
| CVE-2021-21787 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21788 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21789 | IOBit Advanced SystemCare 安全漏洞 | |
| CVE-2021-21786 | Iobit IOBit Advanced SystemCare 访问控制错误漏洞 | |
| CVE-2020-23700 | LavaLite 跨站脚本漏洞 | |
| CVE-2020-23702 | PHP-Fusion 跨站脚本漏洞 | |
| CVE-2021-21775 | WebKit WebKitGTK 资源管理错误漏洞 |
Showing top 20 of 42 CVEs. View all on vendor page → →
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V. Comments for CVE-2021-22555
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