OSV-2022-217 Stack-buffer-overflow in msgpack_sbuffer_write
A stack buffer overflow in msgpack_sbuffer_write allows attackers to cause denial of service or potentially execute code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-217?
OSV-2022-217 is a memory corruption vulnerability in fluent-bit, published on 6 Mar 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=45208
Crash type: Stack-buffer-overflow READ {*} Crash state: msgpack_sbuffer_write flb_pack_msgpack_to_json_format flb_json_fuzzer.c
Which versions are affected by OSV-2022-217?
1 open source package ship an affected version, including fluent-bit.
| Package | Affected | Fixed in |
|---|---|---|
fluent-bit OSS-Fuzz | All versions | None |
How do I fix OSV-2022-217?
No fix has been published for OSV-2022-217 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2022-217 being exploited?
There is no known exploitation of OSV-2022-217 in the wild and no public exploit code.