SB2017110906 - Denial of service in FFmpeg
Published: November 9, 2017 Updated: November 30, 2017
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 vulnerabilities.
1) Double free error (CVE-ID: CVE-2017-15186)
CWE-ID: CWE-415 - Double Free
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to double free error when processing malicious input. A remote attacker can send a specially crafted AVI file, trick the victim into opening it and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
2) Out-of-bounds read (CVE-ID: CVE-2017-15672)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists due to out-of-bounds read in the read_header function in libavcodec/ffv1dec.c. A remote attacker can send a specially crafted MP4 file, trick the victim into opening it and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
3) Out-of-bounds read (CVE-ID: CVE-2017-16840)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a remote attacker to cause DoS condition on the target system.
The vulnerability exists in the VC-2 Video Compression encoder due to incorrect buffer padding for non-Haar wavelets, related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c. A remote attacker can trigger out-of-bounds read and cause the service to crash.
Successful exploitation of the vulnerability results in denial of service.
Remediation
Install update from vendor's website.