CVE-2017-14749 Memory corruption in n/a

High 7.8 Published Updated

Remote attackers can cause denial of service or execute arbitrary code via crafted JavaScript files due to heap memory corruption in JerryScript.

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 CVE-2017-14749?

CVE-2017-14749 is a high-severity memory corruption vulnerability in Jerryscript Jerryscript, published on 26 Sep 2017. 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

JerryScript 1.0 allows remote attackers to cause a denial of service (jmem_heap_alloc_block_internal heap memory corruption) or possibly execute arbitrary code via a crafted .js file, because unrecognized \ characters cause incorrect 0x00 characters in bytecode.literal data.

Weakness: CWE-119

Which versions are affected by CVE-2017-14749?

It affects 1 product.

Products include Jerryscript Jerryscript.

How do I fix CVE-2017-14749?

No fix has been published for CVE-2017-14749 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-2017-14749 being exploited?

There is no known exploitation of CVE-2017-14749 in the wild and no public exploit code.

All Jerryscript Jerryscript vulnerabilities

Sources

Also known as GHSA-28qj-36f6-4995, UBUNTU-CVE-2017-14749.

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