Vulnerability CVE-2017-13847

Vulnerability Name:

CVE-2017-13847 (CCN-135953)

Assigned:

2017-12-02

Published:

2017-12-02

Updated:

2017-12-28

Summary:

An issue was discovered in certain Apple products. iOS before 11.2 is affected. macOS before 10.13.2 is affected. The issue involves the "IOKit" 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)
7.2 High (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:F/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)
7.2 High (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:F/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-2017-13847

Source: BID
Type: Third Party Advisory, VDB Entry
102097

Source: CCN
Type: BID-102097
Apple iOS APPLE-SA-2017-12-6-2 Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039953

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039966

Source: XF
Type: UNKNOWN
apple-macos-cve201713847-priv-esc(135953)

Source: CCN
Type: Packet Storm Security [12-12-2017]
macOS / iOS IOTimeSyncClockManagerUserClient Use-After-Free

Source: CCN
Type: Apple security document HT208331
About the security content of macOS High Sierra 10.13.2, Security Update 2017-002 Sierra, and Security Update 2017-005 El Capitan

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

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

Source: EXPLOIT-DB
Type: EXPLOIT
Offensive Security Exploit Database [12-12-2017]

Source: EXPLOIT-DB
Type: Third Party Advisory, VDB Entry
43326

Vulnerable Configuration:

Configuration 1:

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

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

Denotes that component is vulnerable

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