Buffer overflow in Pdf-Xchange Pdf-Tools
CVE-2023-32159
PDF-XChange Editor PDF File Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of PDF-XChange Editor. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the parsing of PDF files. Crafted data in a PDF file can trigger a write past the end of an allocated buffer. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-17765.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.006 (45.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 45th percentile — 45.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Pdf-Xchange Pdf-Tools — versions 9.3.361.0
- Pdf-Xchange Editor — versions 9.3.361.0
- Pdf-Xchange Editor — versions 9.3.361.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-23-641/ (x_research-advisory, Third Party Advisory)
- www.tracker-software.com/product/pdf-xchange-editor/history (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-32159?
- CVE-2023-32159 is a high-severity vulnerability in Pdf-Xchange Pdf-Tools, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2024-05-03.
- How severe is CVE-2023-32159?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-32159 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.