OSV-2020-2134 UNKNOWN READ in wpabuf_free
A memory corruption vulnerability in the Wi-Fi P2P library allows attackers to cause a denial of service via crafted packets.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-2134?
OSV-2020-2134 is a memory corruption vulnerability in hostap, published on 8 Nov 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=27269
Crash type: UNKNOWN READ
Crash state:
wpabuf_free
p2p_device_free
p2p_flush
Which versions are affected by OSV-2020-2134?
1 open source package ship an affected version, including hostap.
| Package | Affected | Fixed in |
|---|---|---|
hostap OSS-Fuzz | All versions | None |
How do I fix OSV-2020-2134?
No fix has been published for OSV-2020-2134 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-2020-2134 being exploited?
There is no known exploitation of OSV-2020-2134 in the wild and no public exploit code.