CVE-2017-17858: Buffer Overflow
First published: Mon Jan 22 2018(Updated: )
Heap-based buffer overflow in the ensure_solid_xref 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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Artifex Mupdf | =1.12.0 |
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Reference Links
- http://git.ghostscript.com/?p=mupdf.git;a=commit;h=55c3f68d638ac1263a386e0aaa004bb6e8bde731
- https://bugs.ghostscript.com/show_bug.cgi?id=698819
- https://github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md
- https://security.gentoo.org/glsa/201811-15
- http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=55c3f68d638ac1263a386e0aaa004bb6e8bde731
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.
- collector/nvd-index
- agent/weakness
- agent/references
- agent/severity
- agent/author
- agent/type
- agent/event
- agent/description
- agent/remedy
- agent/last-modified-date
- agent/softwarecombine
- agent/first-publish-date
- agent/tags
- collector/mitre-cve
- source/MITRE
- vendor/artifex
- canonical/artifex mupdf
- version/artifex mupdf/1.12.0