CVE-2017-17858: Buffer Overflow
Heap-based buffer overflow in the ensuresolidxref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 allows a remote attacker to potentially execute arbitrary code via a crafted PDF file, because xref subsection object numbers are unrestricted.
Affected Software
Remediation
Event History
Frequently Asked Questions
What is CVE-2017-17858?
CVE-2017-17858 is a vulnerability in the Artifex MuPDF software that allows a remote attacker to potentially execute arbitrary code via a crafted PDF file.
What is the severity of CVE-2017-17858?
The severity of CVE-2017-17858 is high with a CVSS score of 7.8.
How does CVE-2017-17858 occur?
CVE-2017-17858 occurs due to a heap-based buffer overflow in the ensure_solid_xref function in pdf/pdf-xref.c in Artifex MuPDF 1.12.0.
How can an attacker exploit CVE-2017-17858?
An attacker can exploit CVE-2017-17858 by sending a crafted PDF file that triggers the heap-based buffer overflow in Artifex MuPDF.
Is there a fix available for CVE-2017-17858?
Yes, a fix is available for CVE-2017-17858. It is recommended to update to a patched version of Artifex MuPDF.