SB2019071801 - Multiple vulnerabilities in FFmpeg

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Main Vulnerability Database SB2019071801

SB2019071801 - Multiple vulnerabilities in FFmpeg

Published: July 18, 2019 Updated: July 12, 2020

Security Bulletin ID SB2019071801
Severity
Medium
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 33% Low 67%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Division by zero (CVE-ID: CVE-2019-13390)

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

The vulnerability exists due to a divide-by-zero condition in the "adx_write_trailer" function in the "libavformat/rawenc.c" file. A remote attacker can trick the victim to open a specially crafted file and crash the affected application.

2) Heap-based buffer overflow (CVE-ID: CVE-2019-13312)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing media files in block_cmp() function in libavcodec/zmbvenc.c. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


3) Buffer overflow (CVE-ID: CVE-2019-12730)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in aa_read_header() function in libavformat/aadec.c. A remote attacker can create a specially crafted media file, trick the victim into opening it, trigger memory corruption and crash the affected application.


Remediation

Install update from vendor's website.

References