Buffer overflow in Pdf-Xchange Pdf-Tools
CVE-2023-27343
PDF-XChange Editor EMF 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 EMF files. Crafted data in a EMF 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-18790.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Pdf-xchange Pdf-tools — versions 9.4.364.0
- Pdf-xchange Editor — versions 9.4.363.0
- Pdf-xchange Pdf-xchange_editor — versions 9.4.364.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
- zdi-disclosures@trendmicro.com (vendor-advisory, Release Notes)
Frequently asked questions
- What is CVE-2023-27343?
- CVE-2023-27343 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-2023-27343?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-27343 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.