Buffer overflow in Microsoft Chakracore
CVE-2017-11821
ChakraCore and Microsoft Edge in Microsoft Windows 10 1703 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-2017-11792, CVE-2017-11793, CVE-2017-11796, CVE-2017-11797, CVE-2017-11798, CVE-2017-11799, CVE-2017-11800, CVE-2017-11801, CVE-2017-11802, CVE-2017-11804, CVE-2017-11805, CVE-2017-11806, CVE-2017-11807, CVE-2017-11808, CVE-2017-11809, CVE-2017-11810, CVE-2017-11811, and CVE-2017-11812.
Vulnerability class: Buffer Overflow
EPSS: 0.088 (94.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- Microsoft Chakracore
- Microsoft Edge
- Microsoft Windows_10 — versions 1703
- Microsoft Corporation Chakracore, Edge — versions ChakraCore, Microsoft Windows 10 1703.
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- secure@microsoft.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
- secure@microsoft.com (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
Frequently asked questions
- What is CVE-2017-11821?
- CVE-2017-11821 is a high-severity vulnerability in Microsoft Chakracore, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.5/10. Published 2017-10-13.
- How severe is CVE-2017-11821?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2017-11821 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.