Vulnerability Name:

CVE-2017-7172 (CCN-138835)

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. iCloud before 7.2 on Windows is affected. iTunes before 12.7.2 on Windows is affected. tvOS before 11.2 is affected. watchOS before 4.2 is affected. The issue involves the "CFNetwork Session" 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
6.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L)
5.5 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/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): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
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
6.5 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-7172

Source: XF
Type: UNKNOWN
appleios-cve20177172-code-exec(138835)

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/HT208326

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

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208328

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

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

Source: CCN
Type: ZDI-18-151
(Pwn2Own) Apple Safari UIProcess Out-Of-Bounds Access 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 2:
  • cpe:/a:apple:icloud:*:*:*:*:*:*:*:* (Version < 7.2)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/a:apple:itunes:*:*:*:*:*:*:*:* (Version < 12.7.2)
  • AND
  • cpe:/o:microsoft:windows:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:apple:ios:11.1:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple iphone os *
    apple mac os x *
    apple tvos *
    apple watchos *
    apple icloud *
    microsoft windows -
    apple itunes *
    microsoft windows -
    apple iphone os 11.1