Vulnerability CVE-2017-7086

Vulnerability Name:

CVE-2017-7086 (CCN-132917)

Assigned:

2017-09-25

Published:

2017-09-25

Updated:

2019-10-03

Summary:

An issue was discovered in certain Apple products. iOS before 11 is affected. macOS before 10.13 is affected. tvOS before 11 is affected. watchOS before 4 is affected. The issue involves the "libc" component. It allows remote attackers to cause a denial of service (resource consumption) via a crafted string that is mishandled by the glob function.

CVSS v3 Severity:

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

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

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

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

CVSS v2 Severity:

7.8 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C)

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

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-400

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2017-7086

Source: BID
Type: Third Party Advisory, VDB Entry
100990

Source: CCN
Type: BID-100990
Apple iOS/WatchOS/tvOS/macOS Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039427

Source: XF
Type: UNKNOWN
apple-macos-cve20177086-dos(132917)

Source: CCN
Type: Apple security document HT208144
About the security content of macOS High Sierra 10.13

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208112

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208113

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208115

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208144

Vulnerable Configuration:

Configuration 1:

cpe:/o:apple:iphone_os:*:*:*:*:*:*:*:* (Version <= 10.3.3)

OR cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.12.6)

OR cpe:/o:apple:tvos:*:*:*:*:*:*:*:* (Version <= 10.2.2)

OR cpe:/o:apple:watchos:*:*:*:*:*:*:*:* (Version <= 3.2.3)

Denotes that component is vulnerable

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