SB2021072288 - Multiple vulnerabilities in Microsoft Edge

Description

This security bulletin contains information about 27 secuirty vulnerabilities.

1) Use of uninitialized resource (CVE-ID: CVE-2021-30578)

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

The vulnerability exists due to usage of uninitialized resources in Media in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger uninitialized usage of resources and bypass implemented security mechanisms.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30577)

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

The vulnerability exists due to insufficient policy enforcement in Installer 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) Stack-based buffer overflow (CVE-ID: CVE-2021-30566)

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in Printing 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.

4) Use-after-free (CVE-ID: CVE-2021-30567)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the DevTools 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.

5) Heap-based buffer overflow (CVE-ID: CVE-2021-30568)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in WebGL. 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.

6) Use-after-free (CVE-ID: CVE-2021-30569)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the sqlite 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.

7) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30571)

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

The vulnerability exists due to insufficient policy enforcement in DevTools in Google Chrome. A remote attacker can trick the victim to visit a specially crafted website, bypass implemented security measures and compromise the affected system.

8) Use-after-free (CVE-ID: CVE-2021-30572)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the Autofill 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.

9) Use-after-free (CVE-ID: CVE-2021-30573)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the GPU 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.

10) Use-after-free (CVE-ID: CVE-2021-30574)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within the protocol handling 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.

11) Out-of-bounds read (CVE-ID: CVE-2021-30575)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the Autofill 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.

12) Use-after-free (CVE-ID: CVE-2021-30576)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within DevTools 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.

13) Out-of-bounds write (CVE-ID: CVE-2021-30565)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted HTML content in Tab Groups. 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.

14) Input validation error (CVE-ID: CVE-2021-30589)

The vulnerability allows a remote attacker to gain access to crash the browser.

The vulnerability exists due to a improper input validation in Sharing in Google Chrome. A remote attacker can trick the victim to perform certain actions in browser and crash it.

15) Use-after-free (CVE-ID: CVE-2021-30579)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within UI framework 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.

16) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30580)

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

The vulnerability exists due to insufficient policy enforcement in Android intents 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.

17) Use-after-free (CVE-ID: CVE-2021-30581)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within DevTools 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.

18) Improperly implemented security check for standard (CVE-ID: CVE-2021-30582)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Animation 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.

19) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-30583)

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

The vulnerability exists due to insufficient policy enforcement in image handling on Windows 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.

20) Spoofing attack (CVE-ID: CVE-2021-30584)

The vulnerability allows a remote attacker to perform a spoofing attack.

The vulnerability exists due to insufficient validation of user-supplied input in Downloads in Google Chrome. A remote attacker can create a specially crafted web page, trick the victim into visiting it and spoof web page content.

21) Use-after-free (CVE-ID: CVE-2021-30585)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within sensor handling 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) Use-after-free (CVE-ID: CVE-2021-30586)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error within dialog box handling on Windows 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.

23) Improperly implemented security check for standard (CVE-ID: CVE-2021-30587)

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to incorrect implementation in Compositing on Windows 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.

24) Type Confusion (CVE-ID: CVE-2021-30588)

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.

25) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-36928)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists within Edge Installer. A local user can create a directory junction and force the Edge Installer to delete files with elevated privileges.

Successful exploitation of the vulnerability may allow a local user to execute arbitrary code with SYSTEM privileges.

26) Information disclosure (CVE-ID: CVE-2021-36929)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to unspecified error. A remote attacker can trick the victim to open a specially crafted file in browser and access to sensitive information.

27) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-36931)

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions. A remote attacker can trick the victim to execute certain actions and escalate privileges on the system.

Remediation

Install update from vendor's website.

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30578
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30577
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30566
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30567
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30568
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30569
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30571
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30572
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30573
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30574
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30575
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30576
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30565
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30589
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30579
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30580
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30581
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30582
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30583
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30584
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30585
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30586
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30587
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-30588
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36928
• https://www.zerodayinitiative.com/advisories/ZDI-21-936/
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36929
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-36931