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Post #622 550
SonicWall SMA-100 Unauth RCE

Bad Blood is an exploit for CVE-2021-20038, a stack-based buffer overflow in the httpd binary of SMA-100 series systems using firmware versions 10.2.1.x. The exploit, as written, will open up a telnet bind shell on port 1270. An attacker that connects to the shell will achieve execution as nobody.

Research:
https://attackerkb.com/topics/QyXRC1wbvC/cve-2021-20038/rapid7-analysis

Exploit:
https://github.com/jbaines-r7/badblood

#sonicwall #exploit #rce #cve
Rapid7 Rapid7 Analysis: CVE-2021-20038 A Stack-based buffer overflow vulnerability in SMA100 Apache httpd server's mod_cgi module environment variables allows a remote unauthenticated attacker to potentially execute code as a 'nobody' user in the appliance. This vulnerability affected SMA 200…
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