SB2021072411 - Fedora 34 update for mingw-exiv2

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Main Vulnerability Database SB2021072411

SB2021072411 - Fedora 34 update for mingw-exiv2

Published: July 24, 2021

Security Bulletin ID SB2021072411
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Medium 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Out-of-bounds read (CVE-ID: CVE-2021-29463)

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

The vulnerability exists due to a boundary condition within Exiv2::WebPImage::doWriteMetadata(). A remote attacker can pass a specially crafted file to the application and perform a denial of service attack.


2) Out-of-bounds write (CVE-ID: CVE-2021-29464)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a boundary error when processing untrusted input in Exiv2::Jp2Image::encodeJp2Header(). A remote attacker can pass specially crafted file to the application, trigger an out-of-bounds write and execute arbitrary code on the target system.


Remediation

Install update from vendor's website.

References