SB2018103111 - Multiple vulnerabilities in Apple tvOS

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Main Vulnerability Database SB2018103111

SB2018103111 - Multiple vulnerabilities in Apple tvOS

Published: October 31, 2018 Updated: August 7, 2023

Security Bulletin ID SB2018103111
CSH Severity
High
Patch available
YES
Number of vulnerabilities 15
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 47% Low 53%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 15 vulnerabilities.


1) Information disclosure (CVE-ID: CVE-2018-4398)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to an error in the Miller-Rabin primality test. A remote attacker can incorrectly identify prime numbers.


2) Heap-based buffer overflow (CVE-ID: CVE-2018-4394)

CWE-ID: CWE-122 - Heap-based Buffer Overflow

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code on the target system.

The weakness exists due to boundary error in ICU component when handling malicious input. A remote attacker can trick the victim into processing a specially crafted string, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


3) Out-of-bounds read (CVE-ID: CVE-2018-4371)

CWE-ID: CWE-125 - Out-of-bounds read

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to out-of-bounds read in IPSec component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and gain elevated privileges.


4) Memory corruption (CVE-ID: CVE-2018-4420)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error in Kernel component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


5) Information disclosure (CVE-ID: CVE-2018-4413)

CWE-ID: CWE-200 - Exposure of sensitive information to an unauthorized actor

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to obtain potentially sensitive information on the target system.

The weakness exists due to boundary error in Kernel component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and read restricted memory.


6) Memory corruption (CVE-ID: CVE-2018-4419)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local attacker to gain elevated privileges on the target system.

The weakness exists due to boundary error in Kernel component when handling malicious input. A local attacker can run a specially crafted application, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of the vulnerability may result in system compromise.


7) Memory leak (CVE-ID: CVE-2018-4369)

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to obtain potentially sensitive information on the target system.

The weakness exists due to memory leak in NetworkExtension component. A remote attacker can connect to a VPN server and access DNS queries from a DNS proxy.


8) Memory corruption (CVE-ID: CVE-2018-4372)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


9) Memory corruption (CVE-ID: CVE-2018-4382)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


10) Memory corruption (CVE-ID: CVE-2018-4386)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


11) Memory corruption (CVE-ID: CVE-2018-4392)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


12) Memory corruption (CVE-ID: CVE-2018-4416)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


13) Resource exhaustion (CVE-ID: CVE-2018-4409)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to resource exhaustion in Webkit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, consume excessive resources and cause the service to crash.


14) Memory corruption (CVE-ID: CVE-2018-4378)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The weakness exists due to a boundary error in WebKit component when handling malicious input. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with kernel privileges.

Successful exploitation of the vulnerability may result in system compromise.


15) Improper input validation (CVE-ID: CVE-2018-4368)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.

The weakness exists due to an error in WiFi component when handling malicious input. A remote attacker can supply a specially crafted input and cause the service to crash.


Remediation

Install update from vendor's website.

References