CVE-2022-22752 in Firefox
Summary
by MITRE • 12/22/2022
Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 96.
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Analysis
by VulDB Data Team • 04/18/2025
The vulnerability identified as CVE-2022-22752 represents a critical memory safety issue discovered in Mozilla Firefox version 95 and earlier. This vulnerability stems from multiple memory safety bugs that were identified by Firefox developers Christian Holler and Jason Kratzer during their security research. The nature of these bugs indicates potential memory corruption vulnerabilities that could be exploited by malicious actors to execute arbitrary code on affected systems. The flaw specifically affects Firefox versions prior to 96, making it a significant concern for users who have not yet updated their browsers to the patched version.
The technical implementation of this vulnerability involves memory safety issues that fall under the category of memory corruption flaws. These types of vulnerabilities typically occur when software does not properly manage memory allocation and deallocation, leading to situations where attackers can manipulate memory contents to execute malicious code. The presence of memory corruption evidence suggests that the bugs could potentially be leveraged to overwrite critical memory regions, manipulate program execution flow, or gain unauthorized access to system resources. This type of vulnerability is particularly dangerous because it can be exploited to bypass security mechanisms and establish persistent access to compromised systems.
From an operational perspective, this vulnerability presents a substantial risk to Firefox users who have not upgraded to version 96 or later. Attackers could potentially exploit these memory safety bugs to execute remote code execution attacks against vulnerable systems, particularly in environments where users may be browsing untrusted websites or opening malicious attachments. The potential for arbitrary code execution means that compromised systems could be used as entry points for further attacks, including data exfiltration, lateral movement within networks, or deployment of additional malware. Organizations with Firefox users should prioritize immediate patching of affected systems to prevent exploitation attempts.
The remediation strategy for CVE-2022-22752 involves updating Firefox installations to version 96 or later, which contains the necessary patches to address the identified memory safety bugs. This update process should be implemented across all affected systems within an organization's network infrastructure. Security teams should also consider implementing additional monitoring measures to detect potential exploitation attempts targeting this vulnerability. The vulnerability's classification aligns with common weakness enumerations such as CWE-125 (Out-of-bounds Read) and CWE-787 (Out-of-bounds Write) which are frequently referenced in security assessments for memory corruption issues. From an attack framework perspective, this vulnerability could be categorized under the attack technique T1059 (Command and Scripting Interpreter) and T1203 (Exploitation for Client Execution) in the MITRE ATT&CK framework, indicating the potential for command execution and client-side exploitation scenarios. Organizations should also consider implementing browser security measures such as content security policies and sandboxing to provide additional protection layers against potential exploitation attempts.