SB2021060157 - Multiple vulnerabilities in FFmpeg
Published: June 1, 2021 Updated: January 2, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Memory leak (CVE-ID: CVE-2020-22037)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within avcodec_alloc_context3() function in options.c in FFmpeg. A remote attacker can perform a denial of service attack.
2) Memory leak (CVE-ID: CVE-2020-22042)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the link_filter_inouts() function in libavfilter/graphparser.c. A remote attacker can perform a denial of service attack.
3) Buffer overflow (CVE-ID: CVE-2020-22028)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary error within the ilter_vertically_8() function in libavfilter/vf_avgblur.c in FFmpeg. A remote attacker can trigger memory corruption and crash the application.
4) Heap-based buffer overflow (CVE-ID: CVE-2020-22036)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the filter_intra() function at libavfilter/vf_bwdif.c in FFmpeg. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.