SB2021080919 - Multiple vulnerabilities in Exiv2

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2021080919

SB2021080919 - Multiple vulnerabilities in Exiv2

Published: August 9, 2021 Updated: November 28, 2022

Security Bulletin ID SB2021080919
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
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 3 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2021-37620)

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

The vulnerability exists due to a boundary condition when processing metadata of a crafted image file. A remote attacker can pass a specially crafted image file to the application, trigger an out-of-bounds read error and perform a denial of service (DoS) attack.


2) Infinite loop (CVE-ID: CVE-2021-34334)

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

The vulnerability exists due to infinite loop when processing metadata of image files. A remote attacker can pass a specially crafted image to the application, consume all available system resources and cause denial of service conditions.


3) Reachable Assertion (CVE-ID: CVE-2021-32815)

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

The vulnerability exists due to a reachable assertion when handling metadata of image files. A remote attacker can pass a specially crafted image to the application and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References