CVE-2024-49576
CVE-2024-49576 is a use-after-free vulnerability in Foxit Reader 2024.3.0.26795. This flaw allows attackers to execute arbitrary code by crafting a malicious PDF document containing specific Javascript that exploits how the application manages checkbox objects. While the CVSS score is 0, the SOCRadar Vulnerability Risk Score (SVRS) is 40, indicating a moderate risk, although not critical, that still warrants attention. Attackers can trigger this vulnerability by enticing users to open a specially crafted PDF file or by visiting a malicious website with the Foxit Reader browser plugin enabled. Successful exploitation leads to memory corruption and potentially full code execution. The significance of CVE-2024-49576 lies in its potential to compromise systems through a common document format, highlighting the need for users to exercise caution when opening PDF files from untrusted sources and keep their software updated. Mitigation strategies should include ensuring Foxit Reader is updated to the latest version. This cybersecurity vulnerability could have severe ramifications.
Description
CVE-2024-49576 is a use-after-free vulnerability affecting Foxit Reader 2024.3.0.26795. This vulnerability arises due to improper handling of the checkbox CBF_Widget object within the software. When a user opens a malicious PDF document containing specially crafted Javascript code, it triggers memory corruption, leading to arbitrary code execution.
SVRS: While the CVSS score is 8.8, the SOCRadar Vulnerability Risk Score (SVRS) is 40. This indicates that while the vulnerability is serious, it might not be actively exploited by attackers at this moment.
Key Insights
- Exploitation via Malicious PDFs: The primary attack vector involves tricking users into opening malicious PDF documents. This emphasizes the importance of user education and awareness regarding suspicious files.
- Browser Extension Vulnerability: The vulnerability can also be exploited if the Foxit Reader browser extension is enabled and the user visits a malicious website. This highlights the potential for vulnerabilities in browser plugins and the need to keep them updated.
- In the Wild: The "In The Wild" tag suggests that this vulnerability is actively being exploited by hackers.
- No Known Threat Actors/APT Groups: Currently, no specific threat actors or APT groups are associated with exploiting CVE-2024-49576.
Mitigation Strategies
- Patching: The most crucial step is to immediately update Foxit Reader to the latest version, which should contain a fix for this vulnerability.
- Disable Browser Extension: Disable the Foxit Reader browser extension until a patched version is available.
- User Education: Implement user awareness training to educate users about the dangers of opening suspicious files and clicking on links in emails or online.
- Sandboxing: Consider utilizing sandboxing solutions for opening PDF documents, which can isolate the execution environment and mitigate the impact of potential exploits.
Additional Information
If users have additional queries regarding this incident, they can use the 'Ask to Analyst' feature, contact SOCRadar directly, or open a support ticket for more information if necessary.
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CWE Details
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