Vulnerability CVE-2017-7171

Vulnerability Name:

CVE-2017-7171 (CCN-138831)

Assigned:

2017-03-17

Published:

2018-01-22

Updated:

2019-03-08

Summary:

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 "CoreAnimation" 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 v3 Severity:

7.8 High (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

7.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
6.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): Required
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): High Integrity (I): High Availibility (A): High

CVSS v2 Severity:

9.3 High (CVSS v2 Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Medium Authentication (Au): None
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

6.8 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:C/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): Single_Instance
Impact Metrics:	Confidentiality (C): Complete Integrity (I): Complete Availibility (A): Complete

Vulnerability Type:

CWE-119

Vulnerability Consequences:

Gain Privileges

References:

Source: MITRE
Type: CNA
CVE-2017-7171

Source: XF
Type: UNKNOWN
appleios-cve20177171-priv-esc(138831)

Source: CCN
Type: Apple security document HT208334
About the security content of iOS 11.2

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208325

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208327

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208331

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208334

Source: CCN
Type: ZDI-18-147
(Pwn2Own) Apple iOS backboardd Untrusted Pointer Dereference Privilege Escalation Vulnerability

Source: CCN
Type: ZDI-18-156
(Pwn2Own) Apple iOS backboardd Untrusted Pointer Dereference Privilege Escalation Vulnerability

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version < 11.2)

OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version < 10.13.2)

OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version < 11.2)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version < 4.2)

Configuration CCN 1:

cpe:/o:apple:ios:11.1:*:*:*:*:*:*:*

Denotes that component is vulnerable

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