Vulnerability Name:

CCN-158475

Published:2019-03-21
Updated:2019-03-21
Summary:Apple Safari could allow a remote attacker to gain elevated privileges on the system, caused by a Time-of-check Time-of-use (TOCTOU) bug. By persuading a victim to visit a specially-crafted Web site, a remote attacker could trigger a heap out-of-bounds read and gain kernel privileges on the system.
CVSS v3 Severity:8.8 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
7.7 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:R)
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): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:9.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Privileges
References:Source: CCN
Type: Apple Web site
Safari

Source: CCN
Type: 9TO5Mac Web site
Two zero-day Safari exploits found, one allowing complete takeover of Mac

Source: XF
Type: UNKNOWN
apple-safari-toctou-priv-esc(158475)

Vulnerable Configuration:Configuration CCN 1:
  • cpe:/o:apple:mac_os:*:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    apple mac os *