CVE-2021-21794 Memory corruption in Accusoft"
A specially crafted malformed TIF file can trigger an out-of-bounds write in Accusoft ImageGear, potentially leading to memory corruption and code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-21794?
CVE-2021-21794 is a critical memory corruption vulnerability in Accusoft Imagegear, published on 8 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds write vulnerability exists in the TIF bits_per_sample processing functionality of Accusoft ImageGear 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.
Which versions are affected by CVE-2021-21794?
It affects 1 product.
Products include Accusoft Imagegear.
How do I fix CVE-2021-21794?
No fix has been published for CVE-2021-21794 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 CVE-2021-21794 being exploited?
There is no known exploitation of CVE-2021-21794 in the wild and no public exploit code.
Other vulnerabilities in Accusoft Imagegear
Sources
Also known as GHSA-rc4q-m5wr-fhqh.