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

CVE-2018-4139 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Apple MAC OS X

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer5 documents4 sources
Severity
7.8HIGHNVD
EPSS
1.3%
top 20.52%
CISA KEV
Not in KEV
Exploit
PoC available
Public exploit / PoC exists
Affected products
2
Apple MAC OS XApple Macos High Sierra 10.13.4 Security Update 2018-002 Sierra AND Security Update 20
Timeline
PublishedApr 3
Latest updateMay 14

Description

An issue was discovered in certain Apple products. macOS before 10.13.4 is affected. The issue involves the "kext tools" component. It allows attackers to execute arbitrary code in a privileged context or cause a denial of service (memory corruption) via a crafted app.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages2 packages

▶NVDapple/mac_os_x< 10.13.4

🔴Vulnerability Details

1
GHSA
GHSA-4c7q-c36w-gpm4: An issue was discovered in certain Apple products↗2022-05-14
▶

💥Exploits & PoCs

2
Exploit-DB
iOS/macOS - 'task_swap_mach_voucher()' Use-After-Free↗2019-01-25
▶
Exploit-DB
Apple macOS 10.13.2 - Double mach_port_deallocate in kextd due to Failure to Comply with MIG Ownership Rules↗2018-04-30
▶

📋Vendor Advisories

1
Apple
CVE-2018-4139: macOS High Sierra 10.13.4, Security Update 2018-002 Sierra, and Security Update 2018-002 El Capitan↗2018-03-29
▶