CVE-2019-20800 Memory corruption in n/a
Remote attackers can trigger an out-of-bounds write in the Cherokee web server by sending excessive request headers, potentially leading to code execution or crashes.
- 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-2019-20800?
CVE-2019-20800 is a critical memory corruption vulnerability in n/a, published on 17 May 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In Cherokee through 1.2.104, remote attackers can trigger an out-of-bounds write in cherokee_handler_cgi_add_env_pair in handler_cgi.c by sending many request headers, as demonstrated by a GET request with many "Host: 127.0.0.1" headers.
Weakness: CWE-787
Which versions are affected by CVE-2019-20800?
It affects 1 product.
Products include Cherokee-Project Cherokee.
How do I fix CVE-2019-20800?
No fix has been published for CVE-2019-20800 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-20800 being exploited?
There is no known exploitation of CVE-2019-20800 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-jwp6-5rr6-m93v.