SB2021040716 - Debian update for chromium
Published: April 7, 2021
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 40 secuirty vulnerabilities.
1) Heap-based buffer overflow (CVE-ID: CVE-2021-21159)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in TabStrip. 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) Use of uninitialized resource (CVE-ID: CVE-2021-21190)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to usage of uninitialized resources in PDFium in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
3) Improperly implemented security check for standard (CVE-ID: CVE-2021-21183)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in performance APIs 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.
4) Improperly implemented security check for standard (CVE-ID: CVE-2021-21184)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in performance APIs 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.
5) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21185)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in extensions 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.
6) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21186)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in QR scanning 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.
7) Input validation error (CVE-ID: CVE-2021-21187)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient validation of user-supplied input in URL formatting 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.
8) Use-after-free (CVE-ID: CVE-2021-21188)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to use-after-free error in Blink in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and crash the browser.
9) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21189)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in payments 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.
10) Use-after-free (CVE-ID: CVE-2021-21191)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within WebRTC component in Google Chrome. A remote attacker can trick the victim top open a specially crafted website, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
11) Cryptographic issues (CVE-ID: CVE-2021-21181)
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.
12) Heap-based buffer overflow (CVE-ID: CVE-2021-21192)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the tab groups implementation in Google Chrome. A remote attacker can create a specially crafted website, trick the victim into visiting it, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
13) Use-after-free (CVE-ID: CVE-2021-21193)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Blink component in Google Chrome. A remote attacker can create a specially crafted webpage, trick the victim into visiting it, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
Note, this vulnerability is being actively exploited in the wild.
14) Use-after-free (CVE-ID: CVE-2021-21194)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the screen capture 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.
15) Use-after-free (CVE-ID: CVE-2021-21195)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free 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 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.
16) Heap-based buffer overflow (CVE-ID: CVE-2021-21196)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in TabStrip. 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.
17) Heap-based buffer overflow (CVE-ID: CVE-2021-21197)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in TabStrip. 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.
18) Out-of-bounds read (CVE-ID: CVE-2021-21198)
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition within the IPC 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 gain access to sensitive information.
19) Use-after-free (CVE-ID: CVE-2021-21199)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error in Aura in Google Chrome. A remote attacker can trick the victim to visit a specially crafted web page, trigger a use-after-free error and execute arbitrary code on the system.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
20) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21182)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in navigations 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.
21) Use-after-free (CVE-ID: CVE-2021-21180)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within tab search 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.
22) Heap-based buffer overflow (CVE-ID: CVE-2021-21160)
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.
23) Improper control of a resource through its lifetime (CVE-ID: CVE-2021-21169)
The vulnerability allows a remote attacker to gain access to crash the browser.
The vulnerability exists due to a boundary condition within the V8 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.
24) Heap-based buffer overflow (CVE-ID: CVE-2021-21161)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a boundary error when processing untrusted HTML content in TabStrip. 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) Use-after-free (CVE-ID: CVE-2021-21162)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the WebRTC 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.
26) Input validation error (CVE-ID: CVE-2021-21163)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation in Reader Mode in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage and execute arbitrary code on the system.
27) Improper control of a resource through its lifetime (CVE-ID: CVE-2021-21165)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper control of object lifetime in audio in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.
28) Improper control of a resource through its lifetime (CVE-ID: CVE-2021-21166)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper control of object lifetime in audio in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.
Note, the vulnerability is being actively exploited in the wild.
29) Use-after-free (CVE-ID: CVE-2021-21167)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within bookmarks 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.
30) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21168)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in appcache 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.
31) Spoofing attack (CVE-ID: CVE-2021-21170)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in Loader in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
32) Use-after-free (CVE-ID: CVE-2021-21179)
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within Network Internals 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.
33) Spoofing attack (CVE-ID: CVE-2021-21171)
The vulnerability allows a remote attacker to perform a spoofing attack.
The vulnerability exists due to insufficient validation of user-supplied input in TabStrip and Navigation in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.
34) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21172)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in File System API 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.
35) Cryptographic issues (CVE-ID: CVE-2021-21173)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to side-channel information leak in Network Internals. Chrome Medium. A remote attacker can create a specially crafted web page, trick the victim into opening it and gain access to sensitive information.
36) Improperly implemented security check for standard (CVE-ID: CVE-2021-21174)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Referrer 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.
37) Improperly implemented security check for standard (CVE-ID: CVE-2021-21175)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Site isolation 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.
38) Improperly implemented security check for standard (CVE-ID: CVE-2021-21176)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in full screen mode 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.
39) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-21177)
The vulnerability allows a remote attacker to bypass implemented security restrictions.
The vulnerability exists due to insufficient policy enforcement in Autofill 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.
40) Improperly implemented security check for standard (CVE-ID: CVE-2021-21178)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to incorrect implementation in Compositing 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.
Remediation
Install update from vendor's website.