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CVE-2021-22555 PoC — Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE

Source
Associated Vulnerability
Title:Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE (CVE-2021-22555)
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
Description
CVE-2021-22555 Exploit
Readme
# CVE-2021-22555-Exploit
CVE-2021-22555 Exploit

By Andy Nguyen

## INFO
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


## 編譯
```
gcc -m32 -static -o exploit exploit.c
./exploit
```

## 測試版本
Exploit tested on Ubuntu 5.8.0-48-generic and COS 5.4.89+.
File Snapshot

[4.0K] /data/pocs/6d0fd5cb6332b4d004d5bab57d061666d8270226 ├── [ 22K] cve_2021_22555.c ├── [699K] exploit └── [ 433] README.md 0 directories, 3 files
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