CVE-2021-29998 Memory corruption in n/a
A heap overflow in the VxWorks DHCP client allows attackers to execute arbitrary code or cause a 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-2021-29998?
CVE-2021-29998 is a critical memory corruption vulnerability in n/a, published on 13 Apr 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 Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
Weakness: CWE-787
Which versions are affected by CVE-2021-29998?
It affects 36 products.
Products include Siemens Ruggedcom Win Subscriber Station Firmware, Siemens Scalance X200-4 P Irt Firmware, Siemens Scalance X201-3p Irt Firmware, Siemens Scalance X201-3p Irt Pro Firmware, Siemens Scalance X202-2 Irt Firmware, Siemens Scalance X202-2p Irt Firmware and 30 more.
How do I fix CVE-2021-29998?
No fix has been published for CVE-2021-29998 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-2021-29998 being exploited?
There is no known exploitation of CVE-2021-29998 in the wild and no public exploit code.
Sources
Also known as GHSA-hpxq-hffh-gxv5.