Out-of-bounds Read in Pdf-Xchange Editor
CVE-2023-40473
PDF-XChange Editor Doc Object Out-Of-Bounds Read Information Disclosure Vulnerability. This vulnerability allows remote attackers to disclose sensitive information 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 handling of Doc objects. By performing actions in JavaScript, an attacker can trigger a read past the end of an allocated object. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the current process. Was ZDI-CAN-20891.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (32.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 32nd percentile — 32.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Pdf-Xchange Editor — versions 9.5.368.0
- Pdf-Xchange Editor — versions 9.5.368.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.zerodayinitiative.com/advisories/ZDI-23-1151/ (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-40473?
- CVE-2023-40473 is a medium-severity vulnerability in Pdf-Xchange Editor, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2024-05-03.
- How severe is CVE-2023-40473?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2023-40473 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.