OSV-2023-158 Heap-use-after-free in ddsi_type_unref_impl_locked
A heap-use-after-free vulnerability in the DDS 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-2023-158?
OSV-2023-158 is an use after free vulnerability in cyclonedds, published on 10 Mar 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=56837
Crash type: Heap-use-after-free READ 4
Crash state:
ddsi_type_unref_impl_locked
ddsi_type_unref_locked
ddsi_xt_type_fini
Which versions are affected by OSV-2023-158?
1 open source package ship an affected version, including cyclonedds.
| Package | Affected | Fixed in |
|---|---|---|
cyclonedds OSS-Fuzz | All versions | None |
How do I fix OSV-2023-158?
No fix has been published for OSV-2023-158 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-2023-158 being exploited?
There is no known exploitation of OSV-2023-158 in the wild and no public exploit code.