CVE-2019-8610 in iTunes
Summary
by MITRE
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, iCloud for Windows 7.12. Processing maliciously crafted web content may lead to arbitrary code execution.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 09/26/2023
The vulnerability identified as CVE-2019-8610 represents a critical memory corruption issue affecting multiple Apple operating systems and applications. This flaw resides in the core memory management mechanisms of iOS 12.2, macOS Mojave 10.14.4, and tvOS 12.2, where improper memory handling creates exploitable conditions that could allow attackers to execute arbitrary code. The vulnerability specifically impacts Safari web browser functionality and related components that process web content, making it particularly dangerous in web-based attack scenarios. According to industry standards, this issue maps to CWE-125, which describes out-of-bounds read conditions, and CWE-787, which covers out-of-bounds write vulnerabilities, both of which are common precursors to arbitrary code execution exploits.
The technical nature of this vulnerability stems from insufficient bounds checking during memory allocation and deallocation processes within Apple's web rendering engines. When processing maliciously crafted web content, the affected systems fail to properly validate memory boundaries, leading to buffer overflows or underflows that can be leveraged by attackers to overwrite critical memory locations. This memory corruption allows malicious actors to inject and execute arbitrary code with the privileges of the affected application, typically resulting in full system compromise. The vulnerability's exploitation pathway follows standard attack patterns documented in the MITRE ATT&CK framework under T1059 for command and scripting interpreter, and T1068 for exploit for privilege escalation, making it particularly dangerous in targeted attack scenarios.
The operational impact of CVE-2019-8610 extends beyond individual device compromise to potential large-scale security breaches when attackers leverage this vulnerability in phishing campaigns or drive-by downloads. Mobile and desktop users who visit compromised websites or download malicious content are at risk of having their systems fully compromised without any visible user interaction. Organizations that rely on Apple ecosystems for business operations face significant exposure since the vulnerability affects core system components that are integral to daily operations. The widespread nature of the affected platforms means that both consumer and enterprise environments are vulnerable, with potential for credential theft, data exfiltration, and persistent backdoor installation. Security teams must consider this vulnerability as a high-priority threat that could enable advanced persistent threats and lateral movement within network environments.
Mitigation strategies for CVE-2019-8610 primarily focus on immediate system updates and patch management procedures. Apple released security updates for iOS 12.3, macOS Mojave 10.14.5, tvOS 12.3, Safari 12.1.1, iTunes for Windows 12.9.5, and iCloud for Windows 7.12, which address the underlying memory handling issues. Organizations should implement automated patch management systems to ensure all affected devices receive updates promptly. Network administrators should consider implementing web content filtering solutions and browser security enhancements to reduce the attack surface. Additional protective measures include restricting user privileges, implementing application whitelisting policies, and deploying endpoint detection and response solutions to monitor for exploitation attempts. Security awareness training should emphasize the importance of avoiding suspicious web content and maintaining updated software versions to prevent successful exploitation of this memory corruption vulnerability.