CVE-2020-14268 Memory corruption in HCL Notes
An unauthenticated attacker can trigger a stack buffer overflow in the HCL Notes client via MIME messages, leading to remote code execution or application 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-2020-14268?
CVE-2020-14268 is a critical memory corruption vulnerability in HCL Notes, published on 14 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the MIME message handling of the Notes client (versions 9 and 10) could potentially be exploited by an unauthenticated attacker resulting in a stack buffer overflow. This could allow a remote attacker to crash the client or inject code into the system which would execute with the privileges of the client.
Weakness: CWE-787
Which versions are affected by CVE-2020-14268?
It affects 1 product.
Products include Hcltech Notes.
How do I fix CVE-2020-14268?
No fix has been published for CVE-2020-14268 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-2020-14268 being exploited?
There is no known exploitation of CVE-2020-14268 in the wild and no public exploit code.
Other vulnerabilities in HCL Notes
- CVE-2022-44751 HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView
- CVE-2022-44753 HCL Notes is susceptible to a stack based buffer overflow vulnerability in wp6sr.dll in Micro Focus KeyView
- CVE-2022-44755 HCL Notes is susceptible to a stack based buffer overflow vulnerability in lasr.dll in Micro Focus KeyView
- CVE-2020-14224 Memory corruption in HCL Notes
- CVE-2020-14232 Memory corruption in HCL Notes
Sources
Also known as GHSA-pqw8-9r2r-p4cp.