OSV-2018-210 Heap-use-after-free in UA_SecureChannel_deleteMembersCleanup
A heap-use-after-free vulnerability in the OPC UA library allows attackers to cause denial of service or potentially execute code via crafted network traffic.
- 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-2018-210?
OSV-2018-210 is an use after free vulnerability in open62541, published on 13 Jan 2021. 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=5499
Crash type: Heap-use-after-free READ 8
Crash state:
UA_SecureChannel_deleteMembersCleanup
removeSecureChannelCallback
UA_Server_run_shutdown
Which versions are affected by OSV-2018-210?
1 open source package ship an affected version, including open62541.
| Package | Affected | Fixed in |
|---|---|---|
open62541 OSS-Fuzz | All versions | None |
How do I fix OSV-2018-210?
No fix has been published for OSV-2018-210 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-2018-210 being exploited?
There is no known exploitation of OSV-2018-210 in the wild and no public exploit code.