PT-2017-12109 · Fontforge+3 · Fontforge+3

Published 2017-07-23 · Updated 2020-01-13 · CVE-2017-11571

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 stack-based buffer overflow in the addnibble 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 addnibble function in parsettf.c to minimize the risk of exploitation.

Fix

DoS

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

ALT-PU-2017-1979

CVE-2017-11571

DLA-1065-1

DSA-3958-1

MGASA-2018-0037

SUSE-SU-2019:2236-1

USN-3409-1

Affected Products

Alt Linux

Fontforge

Suse

Ubuntu

References · 43

• https://github.com/fontforge/fontforge/issues/3087 · Patch
• https://ubuntu.com/security/CVE-2017-11569 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3409-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-11571 · Security Note
• https://osv.dev/vulnerability/CVE-2017-11571 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-11571 · Vendor Advisory
• https://debian.org/security/2017/dsa-3958 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2018-0037 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-11571 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-11571 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:2236-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-11577 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2018-0037.html · Security Note
• https://ubuntu.com/security/CVE-2017-11575 · Vendor Advisory
• http://debian.org/security/2017/dsa-3958 · Vendor Advisory