SB2021091640 - Multiple vulnerabilities in fig2dev

Main Vulnerability Database SB2021091640

SB2021091640 - Multiple vulnerabilities in fig2dev

Published: September 16, 2021 Updated: June 28, 2025

Security Bulletin ID SB2021091640

Severity

Medium

Patch available

YES

Number of vulnerabilities 16

Exploitation vector Remote access

Highest impact Denial of service

Breakdown by Severity

Low
Medium
High
Critical

Description

This security bulletin contains information about 16 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2020-21530)

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.

2) Buffer overflow (CVE-ID: CVE-2020-21535)

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

The vulnerability exists due to a boundary error within the gencgm_start() function in gencgm.c. A remote attacker can pass a specially crafted file to the application and crash it.

3) Buffer overflow (CVE-ID: CVE-2020-21534)

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

The vulnerability exists due to a boundary error within the get_line() function in read.c. A remote attacker can pass a specially crafted file to the application and crash it.

4) Stack-based buffer overflow (CVE-ID: CVE-2020-21533)

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_textobject() function in read.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.

5) Buffer overflow (CVE-ID: CVE-2020-21532)

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

The vulnerability exists due to a boundary error within the setfigfont() function in genepic.c. A remote attacker can pass a specially crafted file to the application and crash it.

6) Buffer overflow (CVE-ID: CVE-2020-21531)

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

The vulnerability exists due to a boundary error within the conv_pattern_index() function in gencgm.c. A remote attacker can pass a specially crafted file to the application and crash it.

7) Stack-based buffer overflow (CVE-ID: CVE-2020-21529)

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.

8) Stack-based buffer overflow (CVE-ID: CVE-2020-21675)

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

The vulnerability exists due to a boundary error within the genptk_text component in genptk.c when converting a xfig file into ptk format. 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.

9) Stack-based buffer overflow (CVE-ID: CVE-2020-21676)

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

The vulnerability exists due to a boundary error within the genpstrx_text() component in genpstricks.c when converting a xfig file into pstricks format. 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.

10) Buffer overflow (CVE-ID: CVE-2020-21681)

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

The vulnerability exists due to a boundary error within the set_color component in genge.c when converting a xfig file into ge format. A remote attacker can pass a specially crafted file to the application and crash it.

11) Buffer overflow (CVE-ID: CVE-2020-21684)

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

The vulnerability exists due to a boundary error within the put_font in genpict2e.c when converting a xfig file into pict2e format. A remote attacker can pass a specially crafted file to the application and crash it.

12) Buffer overflow (CVE-ID: CVE-2020-21682)

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

The vulnerability exists due to a boundary error within the set_fill component in genge.c when converting a xfig file into ge format. A remote attacker can pass a specially crafted file to the application and crash it.

13) Buffer overflow (CVE-ID: CVE-2020-21683)

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

The vulnerability exists due to a boundary error within the shade_or_tint_name_after_declare_color() function in fig2dev/dev/genpstricks.c when converting a xfig file into pstricks format. A remote attacker can pass a specially crafted file to the application and crash it.

14) Stack-based buffer overflow (CVE-ID: CVE-2020-21680)

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

The vulnerability exists due to a boundary error when converting a xfig file into pict2e format. A remote attacker can trigger a stack-based buffer overflow and crash the application.

15) NULL pointer dereference (CVE-ID: CVE-2021-32280)

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

The vulnerability exists due to NULL pointer dereference within the compute_closed_spline() function in trans_spline.c. A remote attacker can pass a specially crafted file to the application and perform a denial of service (DoS) attack.

16) Buffer overflow (CVE-ID: CVE-2020-21678)

The vulnerability allows a remote attacker to crash the application.

The vulnerability exists due to improper input validation when converting a xfig file into mp format.A remote attacker can trick the victim to open a specially crafted file and crash the application.

Remediation

Install update from vendor's website.

References