CVE-2021-1878 — Integer Overflow or Wraparound in Apple Macos

CWE-190 — Integer Overflow or Wraparound7 documents5 sources
Severity
6.5MEDIUMNVD
EPSS
0.5%
top 33.96%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Apple MacosApple MAC OS X
Timeline
PublishedSep 8
Latest updateMay 24

Description

An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5apple/macosunspecified — 11.3+1
▶NVDapple/macos11.0 — 11.3
▶NVDapple/mac_os_x10.14 — 10.14.5+4

🔴Vulnerability Details

2
GHSA
GHSA-9h5x-7fqr-xqgx: An integer overflow was addressed with improved input validation↗2022-05-24
▶
CVEList
CVE-2021-1878: An integer overflow was addressed with improved input validation↗2021-09-08
▶

📋Vendor Advisories

2
Apple
CVE-2021-1878: Security Update 2021-002 Catalina↗2021-04-26
▶
Apple
CVE-2021-1878: macOS Big Sur 11.3↗2021-04-26
▶

🕵️Threat Intelligence

2
Talos
Vulnerability Spotlight: Information disclosure vulnerability in macOS SMB server↗2021-05-19
▶
Talos
Vulnerability Spotlight: Information disclosure vulnerability in macOS SMB server↗2021-05-19
▶
CVE-2021-1878 — Integer Overflow or Wraparound in Apple | cvebase