OSV-2023-90 Heap-buffer-overflow in LibRaw_buffer_datastream::scanf_one
A heap buffer overflow in LibRaw allows attackers to cause denial of service or potentially execute code via crafted image files.
- 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-2023-90?
OSV-2023-90 is a memory corruption vulnerability in libraw, published on 21 Feb 2023. 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=56160
Crash type: Heap-buffer-overflow READ 1
Crash state:
LibRaw_buffer_datastream::scanf_one
LibRaw::parse_mos
LibRaw::parse_tiff_ifd
Which versions are affected by OSV-2023-90?
1 open source package ship an affected version, including libraw.
| Package | Affected | Fixed in |
|---|---|---|
libraw OSS-Fuzz | All versions | None |
How do I fix OSV-2023-90?
No fix has been published for OSV-2023-90 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-2023-90 being exploited?
There is no known exploitation of OSV-2023-90 in the wild and no public exploit code.