PT-2017-12108 · Fontforge+2 · Fontforge+2

Published 2017-07-23 · Updated 2020-01-13 · CVE-2017-11570

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions FontForge version 20161012

Description The issue is related to a buffer over-read in the umodenc function, located in parsettf.c, which can be triggered by a crafted otf file. This can result in a denial of service (DoS) or potentially allow for code execution.

Recommendations For FontForge version 20161012, consider avoiding the use of crafted otf files until a patch is available. As a temporary workaround, restrict access to the umodenc function in parsettf.c to minimize the risk of exploitation.

Fix

DoS

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2017-1979

CVE-2017-11570

Affected Products

Alt Linux

Debian

Fontforge

References · 22

• https://github.com/fontforge/fontforge/issues/3097 · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11571 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11568 · Security Note
• https://osv.dev/vulnerability/CVE-2017-11570 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11573 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11574 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2017-11570 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11577 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2017-11570 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11572 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-11570 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/fontforge · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11576 · Security Note
• https://cve.org/CVERecord?id=CVE-2017-11570 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11570 · Security Note