Buffer overflow in Artifex Mupdf
CVE-2017-17858
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.027 (86.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 86th percentile — 86.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.027 · newest: 0.027 · change: 0.000
Affected products
- Artifex Mupdf — versions 1.12.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security.gentoo.org/glsa/201811-15 (vendor-advisory)
- bugs.ghostscript.com/show_bug.cgi (Permissions Required)
- github.com/mzet-/Security-Advisories/blob/master/mzet-adv-2017-01.md (Exploit, Patch, Third Party Advisory)
- git.ghostscript.com/
Frequently asked questions
- What is CVE-2017-17858?
- CVE-2017-17858 is a high-severity vulnerability in Artifex Mupdf, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-01-22.
- How severe is CVE-2017-17858?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-17858 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.