CVE-2021-30784 — Classic Buffer Overflow in Apple Macos

CWE-120 — Classic Buffer Overflow7 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.4%
top 40.98%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedSep 8
Latest updateJun 7

Description

Multiple issues were addressed with improved logic. This issue is fixed in macOS Big Sur 11.5. A local attacker may be able to execute code on the Apple T2 Security Chip.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.5
▶NVDapple/macos< 11.5
▶NVDapple/mac_os_x10.14.0 — 10.14.6+3

🔴Vulnerability Details

3
OSV
ntfs-3g vulnerabilities↗2022-06-07
▶
GHSA
GHSA-w98f-cwfv-c3w3: Multiple issues were addressed with improved logic↗2022-05-24
▶
CVEList
CVE-2021-30784: Multiple issues were addressed with improved logic↗2021-09-08
▶

📋Vendor Advisories

3
Red Hat
ntfs-3g: crafted NTFS image can cause heap exhaustion in ntfs_get_attribute_value↗2022-05-26
▶
Microsoft
A crafted NTFS image can cause heap exhaustion in ntfs_get_attribute_value in NTFS-3G through 2021.8.22.↗2022-05-10
▶
Apple
CVE-2021-30784: Security Update 2021-005 Mojave↗2021-07-21
▶
CVE-2021-30784 — Classic Buffer Overflow in Apple Macos | cvebase