CVE-2018-4258 : In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.

In macOS High Sierra before 10.13.5, a buffer overflow was addressed with improved bounds checking.

Published 2019-01-11 18:29:03

Updated 2019-01-16 13:59:04

Source Apple Inc.

View at NVD, CVE.org

Vulnerability category: Overflow

Exploit prediction scoring system (EPSS) score for CVE-2018-4258

Probability of exploitation activity in the next 30 days: 0.25%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 62 % EPSS Score History EPSS FAQ

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
10.0	HIGH	AV:N/AC:L/Au:N/C:C/I:C/A:C	10.0	10.0	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Complete Integrity Impact: Complete Availability Impact: Complete
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

Assigned by: nvd@nist.gov (Primary)

Apple » Mac Os X
Versions before (<) 10.13.5
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
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