CVE-2013-1008 in iOS
Summary
by MITRE
WebKit, as used in Apple iTunes before 11.0.3, allows man-in-the-middle attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash) via vectors related to iTunes Store browsing, a different vulnerability than other WebKit CVEs listed in APPLE-SA-2013-05-16-1.
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Analysis
by VulDB Data Team • 12/28/2024
This vulnerability resides within the WebKit rendering engine component that powers Apple iTunes before version 11.0.3, specifically during iTunes Store browsing operations. The flaw represents a critical security weakness that enables remote attackers to perform man-in-the-middle attacks, potentially leading to arbitrary code execution or system instability through memory corruption issues. The vulnerability operates through a distinct attack vector compared to other WebKit-related issues documented in APPLE-SA-2013-05-16-1, indicating a unique code path or implementation flaw within the iTunes Store browsing functionality.
The technical implementation of this vulnerability stems from improper handling of web content within the iTunes Store browsing context, where WebKit processes potentially malicious data streams. When users navigate the iTunes Store, the vulnerable WebKit engine fails to properly validate or sanitize incoming data, creating opportunities for attackers to inject malicious payloads that can exploit memory corruption vulnerabilities. This memory corruption typically manifests as buffer overflows or use-after-free conditions that can be leveraged to execute arbitrary code with the privileges of the iTunes process. The vulnerability's classification aligns with CWE-119 Improper Access to Memory and CWE-121 Stack-based Buffer Overflow, both of which fall under the broader category of memory safety issues that have historically plagued web rendering engines.
The operational impact of this vulnerability extends beyond simple application crashes to potentially enable full system compromise. Attackers can exploit this weakness to execute malicious code on vulnerable systems, potentially leading to unauthorized access, data theft, or further exploitation of the compromised machine. The man-in-the-middle attack capability means that adversaries can intercept and modify traffic between iTunes and Apple's servers, making this particularly dangerous in networked environments where such interception is feasible. The vulnerability's potential for denial of service through application crashes represents a significant operational risk for users who rely on iTunes for media management and store transactions.
Mitigation strategies for this vulnerability require immediate patching of iTunes to version 11.0.3 or later, which contains the necessary WebKit security fixes. Organizations should implement network monitoring to detect suspicious traffic patterns that may indicate exploitation attempts, particularly during iTunes Store browsing activities. Security configurations should include disabling unnecessary web browsing capabilities within iTunes when not required for legitimate operations. The vulnerability's nature suggests that standard network security measures such as SSL/TLS inspection and traffic filtering may not be sufficient to prevent exploitation, requiring more comprehensive endpoint protection solutions. Additionally, users should be educated about the risks of accessing potentially malicious websites through iTunes Store browsing and encouraged to keep their software updated to prevent exploitation of known vulnerabilities. This vulnerability demonstrates the importance of maintaining up-to-date software versions and the potential for cross-application exploitation through shared components like WebKit rendering engines.