OSV-2022-705 Heap-buffer-overflow in netsnmp_memdup
A heap-buffer-overflow in Net-SNMP's memory duplication function allows attackers to cause crashes or potentially execute code via crafted SNMP packets.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-705?
OSV-2022-705 is a memory corruption vulnerability in net-snmp, published on 13 Aug 2022. It can be exploited over the network, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=50096
Crash type: Heap-buffer-overflow READ {*}
Crash state:
netsnmp_memdup
snmp_api_fuzzer.c
Which versions are affected by OSV-2022-705?
1 open source package ship an affected version, including net-snmp.
| Package | Affected | Fixed in |
|---|---|---|
net-snmp OSS-Fuzz | All versions | None |
How do I fix OSV-2022-705?
No fix has been published for OSV-2022-705 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-2022-705 being exploited?
There is no known exploitation of OSV-2022-705 in the wild and no public exploit code.