CVE-2020-28371 Integer overflow in n/a

Critical 9.8 Published Updated

Integer overflow in ReadyTalk Avian's FileOutputStream allows out-of-bounds memory access, potentially leading to code execution or crashes.

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-2020-28371?

CVE-2020-28371 is a critical vulnerability in n/a, published on 9 Nov 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in ReadyTalk Avian 1.2.0 before 2020-10-27. The FileOutputStream.write() method in FileOutputStream.java has a boundary check to prevent out-of-bounds memory read/write operations. However, an integer overflow leads to bypassing this check and achieving the out-of-bounds access. NOTE: This vulnerability only affects products that are no longer supported by the maintainer

Weakness: CWE-787, CWE-190

Which versions are affected by CVE-2020-28371?

It affects 1 product.

Products include Readytalk Avian.

How do I fix CVE-2020-28371?

No fix has been published for CVE-2020-28371 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-28371 being exploited?

There is no known exploitation of CVE-2020-28371 in the wild and no public exploit code.

Sources

Also known as GHSA-3m7c-mwj9-6p79.

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