CVE-2019-10655 Command injection in n/a
Unauthenticated attackers can execute arbitrary code on Grandstream IP phones via command injection and buffer overflow, bypassing authentication.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2019-10655?
CVE-2019-10655 is a critical command injection vulnerability in n/a, published on 30 Mar 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Grandstream GAC2500 1.0.3.35, GXP2200 1.0.3.27, GVC3202 1.0.3.51, GXV3275 before 1.0.3.219 Beta, and GXV3240 before 1.0.3.219 Beta devices allow unauthenticated remote code execution via shell metacharacters in a /manager?action=getlogcat priority field, in conjunction with a buffer overflow (via the phonecookie cookie) to overwrite a data structure and consequently bypass authentication. This can be exploited remotely or via CSRF because the cookie can be placed in an Accept HTTP header in an XMLHttpRequest call to lighttpd.
Which versions are affected by CVE-2019-10655?
It affects 5 products.
Products include Grandstream Gac2500 Firmware, Grandstream Gvc3202 Firmware, Grandstream Gxp2200 Firmware, Grandstream Gxv3240 Firmware, Grandstream Gxv3275 Firmware.
How do I fix CVE-2019-10655?
No fix has been published for CVE-2019-10655 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2019-10655 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-10655 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-q9j6-px2x-x688.