CVE-2021-22156 Integer overflow in QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety
An integer overflow in the QNX C runtime library allows attackers to execute arbitrary code or cause 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-2021-22156?
CVE-2021-22156 is a critical vulnerability in BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety, published on 17 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Development Platform (SDP) version(s) 6.5.0SP1 and earlier, QNX OS for Medical 1.1 and earlier, and QNX OS for Safety 1.0.1 and earlier that could allow an attacker to potentially perform a denial of service or execute arbitrary code.
Weakness: CWE-190
Which versions are affected by CVE-2021-22156?
It affects 3 products.
Products include Blackberry Qnx Os for Medical, Blackberry Qnx Os for Safety, Blackberry Qnx Software Development Platform.
How do I fix CVE-2021-22156?
No fix has been published for CVE-2021-22156 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-22156 being exploited?
There is no known exploitation of CVE-2021-22156 in the wild and no public exploit code.
Sources
Also known as GHSA-x456-hhph-f575.