Stack-based buffer overflow in fig2dev - CVE-2020-21529

Vulnerability identifier: #VU112009

CSH Severity: Medium

CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-21529

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary error within the bezier_spline() function in genepic.c. A remote attacker can pass a specially crafted file to the application, trigger a stack-based buffer overflow and perform a denial of service (DoS) attack.

fig2dev
SUSE OpenStack Cloud Crowbar
SUSE OpenStack Cloud
HPE Helion Openstack
SUSE Linux Enterprise Debuginfo
SUSE Linux Enterprise Point of Sale
SUSE Linux Enterprise Server
SUSE Linux Enterprise Server for SAP
SUSE Linux Enterprise Workstation Extension
Anolis OS
transfig
transfig-debuginfo
transfig-debugsource
transfig-doc

Install update from vendor's website.

fig2dev - update to 3.2.8
transfig - addressed in versions 3.2.8b-2.20.1, 3.2.8b-4.15.1, 3.2.8b-160.16.2
transfig-debuginfo - addressed in versions 3.2.8b-2.20.1, 3.2.8b-4.15.1, 3.2.8b-160.16.2
transfig-debugsource - addressed in versions 3.2.8b-2.20.1, 3.2.8b-4.15.1, 3.2.8b-160.16.2
transfig - update to 3.2.9-1
transfig-doc - update to 3.2.9-1

• https://sourceforge.net/p/mcj/tickets/65/

• Multiple vulnerabilities in fig2dev
• SUSE update for transfig
• SUSE update for transfig
• SUSE update for transfig
• Anolis OS update for transfig