SB2017121306 - Arch Linux update for qt5-webengine



SB2017121306 - Arch Linux update for qt5-webengine

Published: December 13, 2017 Updated: June 14, 2021

Security Bulletin ID SB2017121306
Severity
High
Patch available
YES
Number of vulnerabilities 13
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 46% Low 54%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 13 secuirty vulnerabilities.


1) Spoofing attack (CVE-ID: CVE-2017-15386)

The disclosed vulnerability allows a remote attacker to conduct spoofing attacks.

The vulnerability exists due to an error in Blink. A remote attacker can trick the victim into visiting a specially crafted website and spoof the UI.


2) Spoofing attack (CVE-ID: CVE-2017-15387)

The disclosed vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to an error in Blink. A remote attacker can trick the victim into visiting a specially crafted website and bypass content security restrictions.


3) Out-of-bounds read (CVE-ID: CVE-2017-15388)

The disclosed vulnerability allows a remote attacker to obtain potentially sensitive information.

The vulnerability exists due to out-of-bounds read in Skia. A remote attacker can trick the victim into visiting a specially crafted website and gain access to arbitrary data.


4) Spoofing attack (CVE-ID: CVE-2017-15390)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to URL spoofing in OmniBox. A remote attacker can trick the victim into visiting a specially crafted website and conduct domain spoofing attacks.

Successful exploitation of the vulnerability results in address spoofing.


5) Security restrictions bypass (CVE-ID: CVE-2017-15392)

The vulnerability allows a remote attacker to bypass security restrictions.

The vulnerability exists due to incorrect registry key handling in PlatformIntegration. A remote attacker can trick the victim into visiting a specially crafted website and bypass security restrictions.


6) Spoofing attack (CVE-ID: CVE-2017-15394)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to URL spoofing in extensions UI. A remote attacker can trick the victim into visiting a specially crafted website and conduct domain spoofing attacks.


7) Universal XSS (CVE-ID: CVE-2017-5124)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists in the link modal due to insufficient sanitization of user-supplied data. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary MHTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


8) Use-after-free error (CVE-ID: CVE-2017-5126)

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

The weakness exists due to use-after-free error in PDFium. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

9) Use-after-free error (CVE-ID: CVE-2017-5127)

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

The weakness exists due to use-after-free error in PDFium. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

10) Heap-based buffer overflow (CVE-ID: CVE-2017-5128)

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

The weakness exists due to heap-based buffer overflow in WebGLk. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

11) Use-after-free error (CVE-ID: CVE-2017-5129)

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

The weakness exists due to use-after-free error in WebAudio. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

12) Memory corruption (CVE-ID: CVE-2017-5132)

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

The weakness exists due to incorrect stack manipulation in WebAssembly. A remote attacker can trick the victim into visiting a specially crafted website, trigger memory corruption and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

13) Out-of-bounds write (CVE-ID: CVE-2017-5133)

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

The weakness exists due to out-of-bounds write in Skia. A remote attacker can trick the victim into visiting a specially crafted website trigger out-of-bounds error and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability may result in system compromise.

Remediation

Install update from vendor's website.