Buffer overflow in fig2dev - CVE-2020-21530

Vulnerability identifier: #VU112015

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-2020-21530

CWE-ID: CWE-120

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 read_objects() function in read.c. A remote attacker can pass a specially crafted file to the application and crash it.

fig2dev
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transfig
transfig-debuginfo
transfig-debugsource
transfig-doc

Install updates 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/61/

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