CVE-2017-11893 ChakraCore vulnerable to remote code execution
An attacker can execute arbitrary code in the context of the current user via a memory corruption flaw in the ChakraCore scripting engine.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-11893?
CVE-2017-11893 is a high-severity memory corruption vulnerability in Microsoft Chakracore, published on 12 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
ChakraCore and Microsoft Edge in Windows 10 1511, 1607, 1703, 1709, and Windows Server 2016 allows an attacker to execute arbitrary code in the context of the current user, due to how the scripting engine handles objects in memory, aka "Scripting Engine Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-11886, CVE-2017-11889, CVE-2017-11890, CVE-2017-11894, CVE-2017-11895, CVE-2017-11901, CVE-2017-11903, CVE-2017-11905, CVE-2017-11907, CVE-2017-11908, CVE-2017-11909, CVE-2017-11910, CVE-2017-11911, CVE-2017-11912, CVE-2017-11913, CVE-2017-11914, CVE-2017-11916, CVE-2017-11918, and CVE-2017-11930.
Weakness: CWE-119
Which versions are affected by CVE-2017-11893?
2 open source packages ship an affected version, including Microsoft.ChakraCore. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
Microsoft.ChakraCore NuGet | All versions | 1.7.5 |
Microsoft.ChakraCore NuGet | All versions | 1.7.5 |
Products include Microsoft Chakracore, Microsoft Edge.
How do I fix CVE-2017-11893?
Upgrade Microsoft.ChakraCore to 1.7.5 or later.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-11893 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-11893 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Chakracore
Sources
Also known as GHSA-c6r3-ghjw-hgrj.