GHSA-wg47-6cqc-q52j CVE-2018-8276
ChakraCore Security Bypass
- Severity
- 6.5 / 10
- Medium · CVSS 3.0
- Exploit chance (EPSS)
- 5.77%
- Chance of exploitation in the next 30 days. Higher than 93.09% of scored vulnerabilities.
- Known exploited
- No
- Not in CISA's catalog
- Weakness
- —
- Not classified
- Fix
1.10.1- Upgrade Microsoft.ChakraCore to this version or later
Description
A security feature bypass vulnerability exists in the Microsoft Chakra scripting engine that allows Control Flow Guard (CFG) to be bypassed, aka "Scripting Engine Security Feature Bypass Vulnerability." This affects Microsoft Edge, ChakraCore.
Affected versions
NuGet
| Package | Vulnerable | Fixed in |
|---|---|---|
| Microsoft.ChakraCore | < 1.10.1 |
1.10.1 |
How to fix
Move to the fixed version or later with your package manager, update the lockfile, and run your tests. If the package only arrives through another dependency, upgrade that dependency first. If none of its releases pulls a fixed version yet, force the version with your package manager's override.
Microsoft.ChakraCore NuGet → 1.10.1
- dotnet
dotnet add package Microsoft.ChakraCore --version 1.10.1
Severity breakdown
CVSS 3.0 6.5
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- High
- Availability
- None
References
Advisories
Packages
Other links
- github.com/chakra-core/ChakraCore/commit/4196f8097afdcc5fe01ce2966871712fb24003a3
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8276
- web.archive.org/web/20210124183457/http://www.securityfocus.com/bid/104626
- web.archive.org/web/20211202002348/http://www.securitytracker.com/id/1041256
Timeline
- Published
- Last updated by the source
- Latest EPSS score
Related advisories
| Advisory | Severity | Why it's related |
|---|---|---|
| GHSA-5whg-j5fv-xcm2 ChakraCore RCE Vulnerability | High Known exploited | Also affects Microsoft.ChakraCore |
| GHSA-4f5g-j7wg-7w8j ChakraCore RCE Vulnerability | High Known exploited | Also affects Microsoft.ChakraCore |
| CVE-2018-8298 ChakraCore RCE Vulnerability | High Known exploited | Also affects Microsoft.ChakraCore |
| GHSA-vvvh-5xrm-pxff ChakraCore information disclosure vulnerability | High | Also affects Microsoft.ChakraCore |
| GHSA-v8jw-x9wq-hw4v Chakra Scripting Engine RCE via Out-of-bounds write | High | Also affects Microsoft.ChakraCore |
| GHSA-g8q3-rcf9-qx4q Chakra Scripting Engine RCE Vulnerability | High | Also affects Microsoft.ChakraCore |
| GHSA-fxrx-5j36-pwg5 Chakra Scripting Engine RCE via Out-of-bounds write | High | Also affects Microsoft.ChakraCore |
| GHSA-4v6q-gjm6-6vv4 ChakraCore RCE via Out-of-bounds write | High | Also affects Microsoft.ChakraCore |
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