OSV-2021-1634 Dynamic-stack-buffer-overflow in OutputJsonDNP3SetItem
A dynamic stack buffer overflow in the DNP3 protocol library allows attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-1634?
OSV-2021-1634 is a memory corruption vulnerability in suricata, published on 30 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=41487
Crash type: Dynamic-stack-buffer-overflow READ 4
Crash state:
OutputJsonDNP3SetItem
JsonDNP3LogObjects
JsonDNP3LogResponse
Which versions are affected by OSV-2021-1634?
1 open source package ship an affected version, including suricata.
| Package | Affected | Fixed in |
|---|---|---|
suricata OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1634?
No fix has been published for OSV-2021-1634 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 OSV-2021-1634 being exploited?
There is no known exploitation of OSV-2021-1634 in the wild and no public exploit code.