OSV-2020-1200 UNKNOWN WRITE in DumpModeDecode
A memory corruption vulnerability in OpenCV's TIFF decoder allows attackers to execute arbitrary code or cause denial of service via crafted images.
- 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-2020-1200?
OSV-2020-1200 is a memory corruption vulnerability in opencv, published on 22 Jul 2020. 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=14071
Crash type: UNKNOWN WRITE
Crash state:
DumpModeDecode
TIFFReadEncodedStrip
cv::TiffDecoder::readData_32FC3
Which versions are affected by OSV-2020-1200?
1 open source package ship an affected version, including opencv.
| Package | Affected | Fixed in |
|---|---|---|
opencv OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1200?
No fix has been published for OSV-2020-1200 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-2020-1200 being exploited?
There is no known exploitation of OSV-2020-1200 in the wild and no public exploit code.