CVE-2020-6143 Code injection in OS4Ed
Remote attackers can inject PHP code via the install password field, leading to remote code execution in openSIS.
- 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-2020-6143?
CVE-2020-6143 is a critical code injection vulnerability in Os4ed Opensis, published on 1 Sep 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A remote code execution vulnerability exists in the install functionality of OS4Ed openSIS 7.4. The password variable which is set at line 122 in install/Step5.php allows for injection of PHP code into the Data.php file that it writes. An attacker can send an HTTP request to trigger this vulnerability.
Which versions are affected by CVE-2020-6143?
It affects 1 product.
Products include Os4ed Opensis.
How do I fix CVE-2020-6143?
No fix has been published for CVE-2020-6143 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2020-6143 being exploited?
There is no known exploitation of CVE-2020-6143 in the wild and no public exploit code.
Other vulnerabilities in Os4ed Opensis
Sources
Also known as GHSA-xw4m-j84h-5g2x.