Vulnerability Name:

CVE-2017-13811 (CCN-134550)

Assigned:2017-10-31
Published:2017-10-31
Updated:2017-11-27
Summary:An issue was discovered in certain Apple products. macOS before 10.13.1 is affected. The issue involves the "fsck_msdos" 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
8.4 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
7.3 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/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): None
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
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
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-2017-13811

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1039710

Source: XF
Type: UNKNOWN
apple-macos-cve201713811-priv-esc(134550)

Source: CCN
Type: Apple security document HT208221
About the security content of macOS High Sierra 10.13.1, Security Update 2017-001 Sierra, and Security Update 2017-004 El Capitan

Source: CONFIRM
Type: Vendor Advisory
https://support.apple.com/HT208221

Vulnerable Configuration:Configuration 1:
  • cpe:/o:apple:mac_os_x:*:*:*:*:*:*:*:* (Version <= 10.13.0)

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

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:201713811000
    V
    		CVE-2017-13811 on Ubuntu 17.10 (artful) - medium.
    2017-11-12
    oval:com.ubuntu.trusty:def:201713811000
    V
    		CVE-2017-13811 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-11-12
    oval:com.ubuntu.xenial:def:201713811000
    V
    		CVE-2017-13811 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-12
    oval:com.ubuntu.xenial:def:2017138110000000
    V
    		CVE-2017-13811 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-12
    BACK
    apple mac os x *
    apple macos sierra 10.12.6