Vulnerability Name:

CVE-2017-7154 (CCN-136833)

Assigned:2017-12-21
Published:2017-12-21
Updated:2019-03-22
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. The issue involves the "Kernel" component. It allows local users to bypass intended memory-read restrictions or cause a denial of service (system crash).
CVSS v3 Severity:6.6 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H)
5.9 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:H/E:P/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): None
Availibility (A): High
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:P/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): None
Availibility (A): High
CVSS v2 Severity:5.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): None
Availibility (A): Complete
6.2 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:C/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-20
Vulnerability Consequences:Obtain Information
References:Source: MITRE
Type: CNA
CVE-2017-7154

Source: BID
Type: Third Party Advisory, VDB Entry
103134

Source: CCN
Type: BID-103134
Apple iOS/tvOS/macOS CVE-2017-7154 Local Security Bypass Vulnerability

Source: XF
Type: UNKNOWN
apple-macos-cve20177154-info-disc(136833)

Source: CCN
Type: Packet Storm Security [01-12-2018]
macOS process_policy Stack Leak

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/HT208327

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 [01-11-2018]

Source: EXPLOIT-DB
Type: Exploit, Third Party Advisory, VDB Entry
43521

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)

    • Configuration CCN 1:
  • cpe:/o:apple:macos_sierra:10.12.6:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple macos sierra 10.12.6