This vulnerability allows remote attackers to exploit a flaw in Mozilla Firefox and Thunderbird, specifically versions before 22.0 and 17.0.7 respectively. The issue arises when handling onreadystatechange events during page reloads, which can lead to a denial of service through application crashes or potentially execute arbitrary code. The CVSS score of 8.8 categorizes this vulnerability as high severity, indicating a significant risk to users and organizations relying on these applications.
Risk to organizations includes potential disruptions due to application crashes, which may affect productivity and lead to data loss. Given the nature of this vulnerability, attackers may leverage it to execute malicious code, posing a severe threat to sensitive data and system integrity. The urgency for defenders is high, and organizations should prioritize patching immediately.
The vulnerability was published on June 26, 2013, and has been analyzed, with details available in various advisories. As of now, it has been included in the Known Exploited Vulnerabilities (KEV) catalog, adding to its urgency. Organizations are advised to apply updates as per vendor instructions to mitigate the risk.
Given the critical nature of the issue, security teams should assess their environments for affected versions and ensure proper remediation steps are taken.
Vulnerability Details
The CVE-2013-1690 vulnerability affects Mozilla Firefox versions prior to 22.0 and Thunderbird versions prior to 17.0.7. It has been classified under CWE-119, which relates to improper restriction of operations within the bounds of a memory buffer. This vulnerability allows for a denial of service (DoS) condition and the potential execution of arbitrary code, posing a significant risk.
The CVSS score for this vulnerability stands at 8.8, indicating high severity. The attack vector is classified as network-based, with low complexity, and it requires no privileges but does necessitate user interaction. The impacts are notable, affecting confidentiality, integrity, and availability.
Technical Analysis
The root cause of CVE-2013-1690 stems from improper handling of onreadystatechange events in conjunction with page reloads. Attackers may exploit this flaw through crafted websites that trigger the execution of data at unmapped memory locations. The attack complexity is low, and while user interaction is required, the execution of arbitrary code can have severe ramifications.
The attack vector is network-based, making it accessible remotely. An attacker would need to convince a user to interact with a malicious site, which could lead to the DoS condition or code execution. This vulnerability highlights the critical importance of rigorous security measures in application development and deployment.
Risk & Impact Analysis
The real-world deployment risk associated with CVE-2013-1690 is significant. Organizations using affected versions of Firefox and Thunderbird may face disruptions due to application crashes, affecting productivity and potentially resulting in data loss. The blast radius includes any user who interacts with the vulnerable applications, as the attack can be initiated by visiting a malicious site.
Given the high CVSS score and its inclusion in the KEV catalog, organizations should treat remediation as a priority. The EPSS score of 0.47 indicates a high likelihood of exploitation, reinforcing the need for immediate action.
Signal | Status |
|---|---|
Known Exploit | Yes |
Public PoC | Yes |
Actively Exploited | Yes |
Ransomware Use | No |
Affected Versions
The following versions are affected by CVE-2013-1690: Mozilla Firefox before 22.0, Firefox ESR 17.x before 17.0.7, Thunderbird before 17.0.7, and Thunderbird ESR 17.x before 17.0.7. If version information is missing, organizations should assume all versions prior to vendor patch are affected.
Mitigation & Remediation
Organizations should prioritize applying updates to affected applications as per vendor instructions. For Mozilla products, users are advised to upgrade to the latest version of Firefox or Thunderbird. If immediate patching is not feasible, consider implementing web filtering solutions and restricting access to potentially harmful sites.
Configuration hardening and monitoring for unusual application behavior can also help mitigate potential risks. For more comprehensive security assessments, organizations may consider leveraging penetration testing services.
Detection Guidance
Organizations should monitor logs for indicators of exploitation attempts, including unusual application crashes and unexpected behavior upon page reloads. Behavioral anomalies should be investigated to determine if they correlate with known attack patterns. Implementing network signatures to detect malicious traffic associated with this vulnerability is also recommended.
AppSecure Threat Intelligence Insight
The long-term significance of CVE-2013-1690 lies in its demonstration of how unhandled events can lead to severe vulnerabilities in widely used applications. This case represents a trend towards increasing exploitation of memory-related vulnerabilities.
Security teams should take note of this incident as a strategic defensive takeaway, emphasizing the importance of rigorous testing and validation processes in the development lifecycle. For detailed insights into vulnerability management, organizations can refer to the vulnerability management program and best practices for secure coding.
Furthermore, organizations should stay informed about emerging threats and trends in security, such as those discussed in the penetration testing methodology.
In conclusion, organizations must prioritize addressing CVE-2013-1690 to prevent potential exploitation and ensure the security of their systems.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.

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