CVE-2020-35198 Integer overflow in n/a

Critical 9.8 Published Updated

Integer overflow in VxWorks memory allocator leads to memory corruption, potentially allowing code execution or denial of service.

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-2020-35198?

CVE-2020-35198 is a critical vulnerability in n/a, published on 12 May 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was discovered in Wind River VxWorks 7. The memory allocator has a possible integer overflow in calculating a memory block's size to be allocated by calloc(). As a result, the actual memory allocated is smaller than the buffer size specified by the arguments, leading to memory corruption.

Weakness: CWE-190

Which versions are affected by CVE-2020-35198?

It affects 2 products.

Products include Oracle Communications Eagle, Windriver Vxworks.

How do I fix CVE-2020-35198?

No fix has been published for CVE-2020-35198 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-35198 being exploited?

There is no known exploitation of CVE-2020-35198 in the wild and no public exploit code.

Sources

Also known as GHSA-jv4r-hc9x-r99x.

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