CVE-2017-11767 ChakraCore vulnerable to privilege escalation
An attacker can execute arbitrary code with current user privileges due to memory corruption in the ChakraCore scripting engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-11767?
CVE-2017-11767 is a critical memory corruption vulnerability in Microsoft Chakracore, published on 2 Nov 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
ChakraCore allows an attacker to gain the same user rights as the current user, due to the way that the ChakraCore scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability".
Weakness: CWE-119
Which versions are affected by CVE-2017-11767?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.6.2 |
Microsoft.ChakraCore NuGet | All versions | 1.6.2 |
Products include Microsoft Chakracore.
How do I fix CVE-2017-11767?
Upgrade Microsoft.ChakraCore to 1.6.2 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-11767 being exploited?
There is no known exploitation of CVE-2017-11767 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-c79v-2rjq-965m.