CVE-2021-43268 Use after free in n/a
A crafted packet in the IKE component of VxWorks can cause a double free or buffer over-read, potentially leading to code execution or denial of service.
- 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-2021-43268?
CVE-2021-43268 is a medium-severity use after free vulnerability in n/a, published on 24 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An issue was discovered in VxWorks 6.9 through 7. In the IKE component, a specifically crafted packet may lead to reading beyond the end of a buffer, or a double free.
Weakness: CWE-415
Which versions are affected by CVE-2021-43268?
It affects 1 product.
Products include Windriver Vxworks.
How do I fix CVE-2021-43268?
No fix has been published for CVE-2021-43268 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2021-43268 being exploited?
There is no known exploitation of CVE-2021-43268 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-cpcp-g87h-g6h3.