CVE-2017-13868

Summary

CVE	CVE-2017-13868
State	PUBLISHED
Assigner	apple
Source Priority	CVE Program / NVD first with legacy fallback
Published	2017-12-25 21:29:14 UTC
Updated	2025-04-20 01:37:25 UTC
Description	An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "Kernel" component. It allows attackers to bypass intended memory-read restrictions via a crafted app.

Risk And Classification

Primary CVSS: v3.0 5.5 MEDIUM from [email protected]

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS: 0.098580000 probability, percentile 0.930730000 (date 2026-05-19)

Problem Types: CWE-200 | n/a

Version	Source	Type	Score	Severity	Vector
3.0	[email protected]	Primary	5.5	MEDIUM	`CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N`
2.0	[email protected]	Primary	4.3		`AV:N/AC:M/Au:N/C:P/I:N/A:N`

CVSS v3.0 Breakdown

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CVSS v2.0 Breakdown

Access Vector

Network

Access Complexity

Medium

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

AV:N/AC:M/Au:N/C:P/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

Type	Vendor	Product	Version	Update	Edition	Language
Operating System	Apple	Iphone Os	All	All	All	All
Operating System	Apple	Mac Os X	All	All	All	All
Operating System	Apple	Tvos	All	All	All	All
Operating System	Apple	Watchos	All	All	All	All

Vendor Declared Affected Products

Source	Vendor	Product	Version	Platforms
CNA	Na	N/a	affected n/a	Not specified

References

Reference	Source	Link	Tags
Apple iOS Bugs Let Remote Users Execute Arbitrary Code and Obtain Potentially Sensitive Information and Let Local Users View Memory Contents and Gain Elevated Privileges - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
About the security content of watchOS 4.2 - Apple Support	af854a3a-2127-422b-91ae-364da2661108	support.apple.com	Vendor Advisory
GitHub - bazad/ctl_ctloutput-leak: CVE-2017-13868: Information leak of uninitialized kernel heap data in XNU.	af854a3a-2127-422b-91ae-364da2661108	github.com	Exploit, Third Party Advisory
Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com	Third Party Advisory, VDB Entry
Apple TV Bugs Let Remote Users Execute Arbitrary Code and Let Local Users View Memory Contents and Gain Elevated Privileges - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
About the security content of iOS 11.2 - Apple Support	af854a3a-2127-422b-91ae-364da2661108	support.apple.com	Vendor Advisory
Apple macOS/OS X Multiple Flaws Let Remote Users Obtain Potentially Sensitive Information and Let Local Users Deny Service, View Files, and Gain Elevated Privileges - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com	Third Party Advisory, VDB Entry
About the security content of macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan - Apple Support	af854a3a-2127-422b-91ae-364da2661108	support.apple.com	Vendor Advisory
About the security content of tvOS 11.2 - Apple Support	af854a3a-2127-422b-91ae-364da2661108	support.apple.com	Vendor Advisory
CVE-2017-13868: A fun XNU infoleak	af854a3a-2127-422b-91ae-364da2661108	bazad.github.io	Exploit, Third Party Advisory
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.

There are currently no legacy QID mappings associated with this CVE.