SB2018051528 - Multiple vulnerabilities in Libav

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Main Vulnerability Database SB2018051528

SB2018051528 - Multiple vulnerabilities in Libav

Published: May 15, 2018 Updated: August 8, 2020

Security Bulletin ID SB2018051528
Severity
Medium
Patch available
NO
Number of vulnerabilities 4
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 4 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2019-14441)

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

** DISPUTED ** An issue was discovered in Libav 12.3. An access violation allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv. This is related to ff_mpa_synth_filter_float in avcodec/mpegaudiodsp_template.c. NOTE: This may be a duplicate of CVE-2018-19129.


2) Resource management error (CVE-ID: CVE-2019-14442)

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

In mpc8_read_header in libavformat/mpc8.c in Libav 12.3, an input file can result in an avio_seek infinite loop and hang, with 100% CPU consumption. Attackers could leverage this vulnerability to cause a denial of service via a crafted file.


3) Division by zero (CVE-ID: CVE-2019-14443)

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

The vulnerability exists due to a division by zero error within . A remote attacker can pass specially crafted data to the application and crash it.


4) Buffer overflow (CVE-ID: CVE-2018-11102)

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

An issue was discovered in Libav 12.3. A read access violation in the mov_probe function in libavformat/mov.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References