CVE-2019-5030 : What You Need to Know
Learn about CVE-2019-5030, a high-severity heap-based buffer overflow vulnerability in Antenna House Rainbow PDF Office Server Document Converter v7.0 Pro MR1 for Linux64, allowing code execution. Find mitigation steps and preventive measures here.
Rainbow PDF Office Server Document Converter V7.0 Pro MR1 (7,0,2019,0220) has a vulnerability in its PowerPoint document conversion feature, leading to a buffer overflow issue. This vulnerability allows for code execution due to incorrect bounds checking.
Understanding CVE-2019-5030
Rainbow PDF Office Server Document Converter V7.0 Pro MR1 (7,0,2019,0220) vulnerability details.
What is CVE-2019-5030?
CVE-2019-5030 is a heap-based buffer overflow vulnerability in the PowerPoint document conversion function of Antenna House Rainbow PDF Office Server Document Converter v7.0 Pro MR1 for Linux64.
The Impact of CVE-2019-5030
The vulnerability has a CVSS base score of 8.8 (High) with high impacts on confidentiality, integrity, and availability. It requires no special privileges for exploitation but user interaction is needed.
Technical Details of CVE-2019-5030
Insight into the technical aspects of CVE-2019-5030.
Vulnerability Description
The vulnerability arises from incorrect bounds checking in the TxMasterStyleAtom::parse function while parsing a document text info container, leading to a vtable pointer overwrite and potential code execution.
Affected Systems and Versions
- Product: Antenna House Rainbow PDF Office Server Document Converter v7.0 Pro MR1 for Linux64 (7,0,2019,0220)
Exploitation Mechanism
The flaw allows attackers to trigger a buffer overflow by manipulating the number of style levels, resulting in the overwrite of the vtable pointer and potential code execution.
Mitigation and Prevention
Best practices to mitigate and prevent CVE-2019-5030.
Immediate Steps to Take
- Apply vendor-supplied patches or updates promptly.
- Restrict user interaction with potentially malicious files.
Long-Term Security Practices
- Regularly update software and security patches.
- Implement network segmentation to limit the impact of potential attacks.
- Conduct regular security assessments and penetration testing.
Patching and Updates
- Check for security advisories from the vendor.
- Apply patches or updates as soon as they are available to address the vulnerability.