OSV-2022-432 Stack-use-after-return in conversation_match_element_list
A stack-use-after-return vulnerability in conversation matching allows attackers to cause a denial of service via crafted network 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-2022-432?
OSV-2022-432 is an use after free vulnerability in wireshark, published on 26 May 2022. 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=47624
Crash type: Stack-use-after-return READ 4
Crash state:
conversation_match_element_list
wmem_map_lookup
find_conversation_by_id
Which versions are affected by OSV-2022-432?
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-2022-432?
No fix has been published for OSV-2022-432 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-2022-432 being exploited?
There is no known exploitation of OSV-2022-432 in the wild and no public exploit code.