CVE-2020-29390 Command injection in n/a
Unauthenticated attackers can execute arbitrary system commands on Zeroshell via shell metacharacters in the kerbynet CGI parameter.
- 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-2020-29390?
CVE-2020-29390 is a critical command injection vulnerability in n/a, published on 30 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Zeroshell 3.9.3 contains a command injection vulnerability in the /cgi-bin/kerbynet StartSessionSubmit parameter that could allow an unauthenticated attacker to execute a system command by using shell metacharacters and the %0a character.
Weakness: CWE-78
Which versions are affected by CVE-2020-29390?
It affects 1 product.
Products include Zeroshell Zeroshell.
How do I fix CVE-2020-29390?
No fix has been published for CVE-2020-29390 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-2020-29390 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-29390 exists.
Public exploit code: 1 Nuclei template.
Other vulnerabilities in n/a
Sources
Also known as GHSA-wfh6-xhqh-h5xw.