OSV-2023-422 Heap-use-after-free in wmem_memdup
A heap-use-after-free vulnerability in the Wireshark library allows attackers to cause denial of service or potentially execute code via crafted network packets.
- 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-2023-422?
OSV-2023-422 is an use after free vulnerability in wireshark, published on 22 May 2023. 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=59167
Crash type: Heap-use-after-free READ 6
Crash state:
wmem_memdup
copy_address
fragment_addresses_persistent_key
Which versions are affected by OSV-2023-422?
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-2023-422?
No fix has been published for OSV-2023-422 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2023-422 being exploited?
There is no known exploitation of OSV-2023-422 in the wild and no public exploit code.