CVE-2018-0946: Use After Free
First published: Wed May 09 2018(Updated: )
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Microsoft Edge, aka "Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-0945, CVE-2018-0951, CVE-2018-0953, CVE-2018-0954, CVE-2018-0955, CVE-2018-1022, CVE-2018-8114, CVE-2018-8122, CVE-2018-8128, CVE-2018-8137, CVE-2018-8139.
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Microsoft.ChakraCore | <1.8.4 | 1.8.4 |
| Microsoft Edge Beta | ||
| Microsoft Chakra | <=1.8.3 |
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Reference Links
- https://nvd.nist.gov/vuln/detail/CVE-2018-0946
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-0946
- https://www.exploit-db.com/exploits/44758/
- https://github.com/chakra-core/ChakraCore/commit/bee1e247bf6acbc8c862c7fc1d597ce9cab7446e
- https://web.archive.org/web/20210125210449/https://www.securityfocus.com/bid/103989/
- https://web.archive.org/web/20211204185256/http://www.securitytracker.com/id/1040844
- https://github.com/advisories/GHSA-wc67-4cg3-35wf (Advisory)
- http://www.securityfocus.com/bid/103989
- http://www.securitytracker.com/id/1040844
Frequently Asked Questions
What is the severity of CVE-2018-0946?
CVE-2018-0946 is classified as a critical vulnerability due to its potential for remote code execution.
How do I fix CVE-2018-0946?
To mitigate CVE-2018-0946, ensure that you are using Microsoft Edge or ChakraCore updated to versions that have patched the vulnerability.
Which versions of Microsoft Edge are affected by CVE-2018-0946?
CVE-2018-0946 affects Microsoft Edge without any version restrictions prior to the fixes.
Can CVE-2018-0946 be exploited remotely?
Yes, CVE-2018-0946 can be exploited remotely, allowing an attacker to execute arbitrary code on the affected system.
Is ChakraCore affected by CVE-2018-0946, and if so, which versions?
Yes, ChakraCore versions up to and including 1.8.3 are affected by CVE-2018-0946.
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