OSV-2020-365 UNKNOWN READ in fuzzshark_ip_proto-udp
An unknown read error in the TLS dissector can cause a crash, leading to denial of service for applications processing malicious UDP traffic.
- 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-2020-365?
OSV-2020-365 is a memory corruption vulnerability in wireshark, published on 1 Jul 2020. 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=16442
Crash type: UNKNOWN READ
Crash state:
fuzzshark_ip_proto-udp
g_hash_table_lookup
dissect_tls
Which versions are affected by OSV-2020-365?
1 open source package ship an affected version, including wireshark.
| Package | Affected | Fixed in |
|---|---|---|
wireshark OSS-Fuzz | All versions | None |
How do I fix OSV-2020-365?
No fix has been published for OSV-2020-365 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-2020-365 being exploited?
There is no known exploitation of OSV-2020-365 in the wild and no public exploit code.