SB2022072203 - Multiple vulnerabilities in IBM Cloud App Management

Security Bulletin ID SB2022072203

Severity

High

Patch available

YES

Number of vulnerabilities 8

Exploitation vector Remote access

Highest impact Code execution

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 8 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-6815)

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

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

2) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-6809)

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

The vulnerability exists due to Web Extension with all-urls permissions is allowed to access local files. A remote attacker can trick the victim into installing a malicious browser extension and gain access to sensitive information on the system.

3) Use-after-free (CVE-ID: CVE-2020-6805)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when removing data about origins in Quota manager in Mozilla Firefox. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a 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) Buffer overflow (CVE-ID: CVE-2020-6814)

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

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can create a specially crafted website, trick the victim into opening it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

5) Out-of-bounds read (CVE-ID: CVE-2020-6806)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to an out-of-bounds read error due to BodyStream::OnInputStreamReady was missing protections against state confusion. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

6) Spoofing attack (CVE-ID: CVE-2020-6808)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can create a specially crafted web page and spoof web page URL via a javascript: URL.

7) Use-after-free (CVE-ID: CVE-2020-6807)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error in cubeb during stream destruction. A remote attacker can create a specially crafted web page, trick the victim into visiting it, trigger a 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.

8) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-6813)

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

When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy.

Remediation

Install update from vendor's website.

SB2022072203 - Multiple vulnerabilities in IBM Cloud App Management

Breakdown by Severity

Description

Remediation

References