Public exploit available
Public proof-of-concept or exploit code exists (ExploitDB / Metasploit / Nuclei).

CVE-2018-8617 — Out-of-bounds Write in Microsoft Chakracore

CWE-787 — Out-of-bounds WriteCWE-617 — Reachable Assertion14 documents9 sources
Severity
7.5HIGHNVD
EPSS
90.6%
top 0.39%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
2
Microsoft ChakracoreMicrosoft Edge
Timeline
PublishedDec 12
Latest updateMay 13

Description

A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge, aka "Chakra Scripting Engine Memory Corruption Vulnerability." This affects Microsoft Edge, ChakraCore. This CVE ID is unique from CVE-2018-8583, CVE-2018-8618, CVE-2018-8624, CVE-2018-8629.

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.6 | Impact: 5.9

Affected Packages2 packages

▶CVEListV5microsoft/chakracoreChakraCore
▶CVEListV5microsoft/microsoft_edge17 versions+16

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

7
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
OSV
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore RCE Vulnerability↗2022-05-13
▶
GHSA
ChakraCore Remote code execution Vulnerability↗2022-05-13
▶

💥Exploits & PoCs

1
Exploit-DB
Microsoft Edge Chakra - 'InlineArrayPush' Type Confusion↗2019-01-18
▶

🔍Detection Rules

2
Suricata
ET EXPLOIT Microsoft Edge Chakra - InlineArrayPush Type Confusion Inbound M2 (CVE-2018-8617)↗2021-09-21
▶
Suricata
ET EXPLOIT Microsoft Edge Chakra - InlineArrayPush Type Confusion Inbound M1 (CVE-2018-8617)↗2021-08-25
▶

📋Vendor Advisories

2
Red Hat
bind: A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c↗2020-05-19
▶
Microsoft
Chakra Scripting Engine Memory Corruption Vulnerability↗2018-12-11
▶
CVE-2018-8617 — Out-of-bounds Write in Microsoft | cvebase