OSV-2020-2192 Heap-buffer-overflow in decompress_smooth_data
A heap-buffer-overflow in the JPEG decompression logic allows attackers to cause crashes or potentially execute code via malicious images.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is OSV-2020-2192?
OSV-2020-2192 is a memory corruption vulnerability in libjpeg-turbo, published on 26 Nov 2020. An attacker can exploit it over the internet without logging in, 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=27852
Crash type: Heap-buffer-overflow READ 2
Crash state:
decompress_smooth_data
process_data_context_main
jpeg_read_scanlines
Which versions are affected by OSV-2020-2192?
1 open source package ship an affected version, including libjpeg-turbo.
| Package | Affected | Fixed in |
|---|---|---|
libjpeg-turbo OSS-Fuzz | All versions | None |
How do I fix OSV-2020-2192?
No fix has been published for OSV-2020-2192 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-2020-2192 being exploited?
There is no known exploitation of OSV-2020-2192 in the wild and no public exploit code.