OSV-2022-128 Stack-buffer-overflow in decompress_rNUMBER
A stack buffer overflow in the DWG decoder allows attackers to execute arbitrary code or cause a denial of service by tricking users into opening a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2022-128?
OSV-2022-128 is a memory corruption vulnerability in libredwg, published on 7 Feb 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44432
Crash type: Stack-buffer-overflow WRITE 1 Crash state: decompress_rNUMBER read_rNUMBER_meta_data dwg_decode
Which versions are affected by OSV-2022-128?
1 open source package ship an affected version, including libredwg.
| Package | Affected | Fixed in |
|---|---|---|
libredwg OSS-Fuzz | All versions | None |
How do I fix OSV-2022-128?
No fix has been published for OSV-2022-128 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-2022-128 being exploited?
There is no known exploitation of OSV-2022-128 in the wild and no public exploit code.