CVE-2020-7450 Memory corruption in FreeBSD
Heap buffer overflow in FreeBSD libfetch allows malicious code execution via crafted URLs with credentials.
- 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-2020-7450?
CVE-2020-7450 is a critical memory corruption vulnerability in Freebsd Freebsd, published on 18 Feb 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
In FreeBSD 12.1-STABLE before r357213, 12.1-RELEASE before 12.1-RELEASE-p2, 12.0-RELEASE before 12.0-RELEASE-p13, 11.3-STABLE before r357214, and 11.3-RELEASE before 11.3-RELEASE-p6, URL handling in libfetch with URLs containing username and/or password components is vulnerable to a heap buffer overflow allowing program misbehavior or malicious code execution.
Weakness: CWE-787
Which versions are affected by CVE-2020-7450?
It affects 1 product.
Products include Freebsd Freebsd.
How do I fix CVE-2020-7450?
No fix has been published for CVE-2020-7450 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-2020-7450 being exploited?
There is no known exploitation of CVE-2020-7450 in the wild and no public exploit code.
Other vulnerabilities in Freebsd Freebsd
Sources
Also known as GHSA-2crv-pj7h-4r9x.