CVE-2022-28830 : What You Need to Know

Adobe FrameMaker Font Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

Understanding CVE-2022-28830

Adobe FrameMaker versions 2029u8 (and earlier) and 2020u4 (and earlier) are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. This vulnerability could be exploited by an attacker to bypass mitigations such as ASLR and requires user interaction for exploitation.

What is CVE-2022-28830?

CVE-2022-28830 is a vulnerability found in Adobe FrameMaker versions 2019u8 and 2020u4 that allows an attacker to perform an out-of-bounds read, potentially leading to the exposure of sensitive information stored in memory. By exploiting this vulnerability, an attacker could circumvent security measures like ASLR, enhancing the severity of the attack.

The Impact of CVE-2022-28830

The impact of CVE-2022-28830 is rated as medium severity with a CVSS base score of 5.5. It poses a high risk to confidentiality as it may result in the disclosure of sensitive information, although it does not directly impact system integrity or availability. The attack complexity is low, and user interaction is required for successful exploitation.

Technical Details of CVE-2022-28830

Vulnerability Description

The vulnerability in Adobe FrameMaker involves font parsing and the exploitation of an out-of-bounds read issue. By triggering this vulnerability, an attacker could access sensitive memory locations, potentially leading to information disclosure.

Affected Systems and Versions

The versions affected by this vulnerability include Adobe FrameMaker 2019u8 and 2020u4, as well as earlier versions. Users of these versions are at risk of exploitation if they interact with a malicious file.

Exploitation Mechanism

Exploiting CVE-2022-28830 requires a victim to open a crafted file designed by the attacker. Through this interaction, the attacker can trigger the vulnerability, leading to an out-of-bounds read and potential disclosure of sensitive memory.

Mitigation and Prevention

Immediate Steps to Take

To mitigate the risk posed by CVE-2022-28830, Adobe FrameMaker users should refrain from opening unsolicited or suspicious files received from untrusted sources. It is crucial to exercise caution when interacting with external files to prevent potential exploitation.

Long-Term Security Practices

In the long term, organizations and individuals using Adobe FrameMaker should stay informed about security updates and patches released by Adobe. Regularly updating the software to the latest version can help mitigate the risk of known vulnerabilities and enhance overall system security.

Patching and Updates

Adobe has provided security updates for Adobe FrameMaker to address CVE-2022-28830. Users are strongly advised to apply these patches promptly to ensure their systems are protected against potential exploitation of this vulnerability.