SB2020081007 - Red Hat Enterprise Linux 6 Supplementary update for chromium-browser
Published: August 10, 2020 Updated: June 9, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 32 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2020-6510)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in background fetch. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-6527)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in CSP in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and gain access to sensitive information.
3) Use-after-free (CVE-ID: CVE-2020-6541)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebUSB component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
4) Heap-based buffer overflow (CVE-ID: CVE-2020-6540)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
5) Use-after-free (CVE-ID: CVE-2020-6539)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the CSS component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
6) Improperly implemented security check for standard (CVE-ID: CVE-2020-6538)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to incorrect implementation in WebView in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and compromise the system.
7) Type Confusion (CVE-ID: CVE-2020-6537)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
8) Spoofing attack (CVE-ID: CVE-2020-6536)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in PWAs in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
9) Input validation error (CVE-ID: CVE-2020-6535)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in WebUI in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
10) Heap-based buffer overflow (CVE-ID: CVE-2020-6534)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebRTC. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and crash the browser.
11) Type Confusion (CVE-ID: CVE-2020-6533)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a type confusion error and crash the browser.
12) Use-after-free (CVE-ID: CVE-2020-6532)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the SCTP component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
13) Cryptographic issues (CVE-ID: CVE-2020-6531)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in scroll to text. Chrome Low. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
14) Out-of-bounds read (CVE-ID: CVE-2020-6530)
The vulnerability allows a remote attacker to gain access to crash the browser.
The vulnerability exists due to a boundary condition within the developer tools component in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger an out-of-bounds read error and crash the browser.
15) Improperly implemented security check for standard (CVE-ID: CVE-2020-6529)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in WebRTC in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
16) Spoofing attack (CVE-ID: CVE-2020-6528)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in basic auth in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
17) Improperly implemented security check for standard (CVE-ID: CVE-2020-6526)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in iframe sandbox in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
18) Cryptographic issues (CVE-ID: CVE-2020-6511)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in content security policy. Chrome High. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
19) Heap-based buffer overflow (CVE-ID: CVE-2020-6525)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
20) Heap-based buffer overflow (CVE-ID: CVE-2020-6524)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in WebAudio. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
21) Out-of-bounds write (CVE-ID: CVE-2020-6523)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger out-of-bounds write and execute arbitrary code on the target system.
22) Improperly implemented security check for standard (CVE-ID: CVE-2020-6522)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in external protocol handlers in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and gain access to sensitive information.
23) Cryptographic issues (CVE-ID: CVE-2020-6521)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in autofill. Chrome Medium. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
24) Heap-based buffer overflow (CVE-ID: CVE-2020-6520)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in Skia. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
25) Improper access control (CVE-ID: CVE-2020-6519)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions in CSP. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information.
26) Use-after-free (CVE-ID: CVE-2020-6518)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within developer tools in Google Chrome. A remote attacker can trick the victim into visiting a specially crafted web page, trigger a use-after-free error and gain access to sensitive information.
27) Heap-based buffer overflow (CVE-ID: CVE-2020-6517)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in history. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
28) Improper access control (CVE-ID: CVE-2020-6516)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to improper access restrictions in CORS. A remote attacker can create a specially crafted web page, trick the victim into visiting it, bypass implemented security restrictions and gain unauthorized access to sensitive information or manipulate data.
29) Use-after-free (CVE-ID: CVE-2020-6515)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the tab strip component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger use-after-free error and execute arbitrary code on the target system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
30) Improperly implemented security check for standard (CVE-ID: CVE-2020-6514)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to WebRTC used the memory address of a class instance as a connection identifier. A remote attacker can use the obtained value to bypass ASLR protection.31) Heap-based buffer overflow (CVE-ID: CVE-2020-6513)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in PDFium. A remote attacker can create a specially crafted web page, trick the victim into opening it, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
32) Type Confusion (CVE-ID: CVE-2020-6512)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error within the V8 component in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.