OSV-2021-1102 Heap-use-after-free in usbredirparser_serialize
A heap-use-after-free vulnerability in usbredirparser_serialize allows attackers to potentially execute code or cause denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-1102?
OSV-2021-1102 is an use after free vulnerability in spice-usbredir, published on 6 Aug 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=36861
Crash type: Heap-use-after-free WRITE 4
Crash state:
usbredirparser_serialize
try_serialize
usbredirparserfuzz.cc
Which versions are affected by OSV-2021-1102?
1 open source package ship an affected version, including spice-usbredir.
| Package | Affected | Fixed in |
|---|---|---|
spice-usbredir OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1102?
No fix has been published for OSV-2021-1102 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-2021-1102 being exploited?
There is no known exploitation of OSV-2021-1102 in the wild and no public exploit code.