SB2021083144 - Multiple vulnerabilities in GNU Exiv2

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Main Vulnerability Database SB2021083144

SB2021083144 - Multiple vulnerabilities in GNU Exiv2

Published: August 31, 2021 Updated: December 22, 2023

Security Bulletin ID SB2021083144
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Division by zero (CVE-ID: CVE-2020-18774)

CWE-ID: CWE-369 - Divide By Zero

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a divide by zero error within the printLong() function in tags_int.cpp. A remote attacker can pass a specially crafted file to the application and perform a denial of service (DoS) attack.


2) Buffer overflow (CVE-ID: CVE-2020-18773)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to a boundary error within the decode() function in iptc.cpp. A remote attacker can pass specially crafted file to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References