CVE-2018-13303

Published: 5 July 2018

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

Notes

Author	Note
mdeslaur	marking chromium-browser as ignored, since we do full-version updates, and rely on upstream's bundled ffmpeg version

Priority

Cvss 3 Severity Score

6.5

Score breakdown

Status

Package	Release	Status
chromium-browser Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Ignored
	cosmic	Ignored
	disco	Ignored
	eoan	Ignored
	focal	Ignored
	groovy	Ignored
	hirsute	Ignored
	impish	Ignored
	jammy	Ignored
	kinetic	Ignored
	lunar	Ignored
	mantic	Ignored
	trusty	Does not exist (trusty was ignored [no longer updated])
	upstream	Released
	xenial	Ignored
ffmpeg Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Not vulnerable (code not present)
	cosmic	Not vulnerable (7:4.0.2-1)
	disco	Not vulnerable (7:4.0.2-1)
	eoan	Not vulnerable (7:4.0.2-1)
	focal	Not vulnerable (7:4.0.2-1)
	groovy	Not vulnerable (7:4.0.2-1)
	hirsute	Not vulnerable (7:4.0.2-1)
	impish	Not vulnerable (7:4.0.2-1)
	jammy	Not vulnerable (7:4.0.2-1)
	kinetic	Not vulnerable (7:4.0.2-1)
	lunar	Not vulnerable (7:4.0.2-1)
	mantic	Not vulnerable (7:4.0.2-1)
	trusty	Does not exist
	upstream	Needs triage
	xenial	Not vulnerable (code not present)
	Patches: upstream: https://github.com/FFmpeg/FFmpeg/commit/00e8181bd97c834fe60751b0c511d4bb97875f78
gst-libav1.0 Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Needs triage
	cosmic	Ignored (end of life)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist (trusty was needs-triage)
	upstream	Needs triage
	xenial	Needs triage
gstreamer0.10-ffmpeg Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist
	upstream	Needs triage
	xenial	Does not exist
kino Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Needs triage
	cosmic	Ignored (end of life)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist (trusty was needs-triage)
	upstream	Needs triage
	xenial	Needs triage
libav Launchpad, Ubuntu, Debian	artful	Does not exist
	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Not vulnerable (code not present)
	upstream	Needs triage
	xenial	Does not exist
mplayer Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Not vulnerable (code not present)
	cosmic	Not vulnerable (code not present)
	disco	Not vulnerable (code not present)
	eoan	Not vulnerable (code not present)
	focal	Not vulnerable (code not present)
	groovy	Not vulnerable (code not present)
	hirsute	Not vulnerable (code not present)
	impish	Not vulnerable (code not present)
	jammy	Not vulnerable (code not present)
	kinetic	Not vulnerable (code not present)
	lunar	Not vulnerable (code not present)
	mantic	Not vulnerable (code not present)
	trusty	Does not exist (trusty was not-affected [uses system ffmpeg])
	upstream	Needs triage
	xenial	Not vulnerable (code not present)
mythtv Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Needs triage
	cosmic	Ignored (end of life)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist (trusty was needs-triage)
	upstream	Needs triage
	xenial	Needs triage
oxide-qt Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	lunar	Does not exist
	mantic	Does not exist
	trusty	Does not exist (trusty was ignored [Ubuntu touch end-of-life])
	upstream	Needs triage
	xenial	Ignored (Ubuntu touch end-of-life)
vice Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Needs triage
	cosmic	Ignored (end of life)
	disco	Ignored (end of life)
	eoan	Ignored (end of life)
	focal	Needs triage
	groovy	Ignored (end of life)
	hirsute	Ignored (end of life)
	impish	Ignored (end of life)
	jammy	Needs triage
	kinetic	Ignored (end of life, was needs-triage)
	lunar	Ignored (end of life, was needs-triage)
	mantic	Needs triage
	trusty	Does not exist (trusty was needs-triage)
	upstream	Needs triage
	xenial	Needs triage
vlc Launchpad, Ubuntu, Debian	artful	Ignored (end of life)
	bionic	Not vulnerable (code not present)
	cosmic	Not vulnerable (code not present)
	disco	Not vulnerable (code not present)
	eoan	Not vulnerable (code not present)
	focal	Not vulnerable (code not present)
	groovy	Not vulnerable (code not present)
	hirsute	Not vulnerable (code not present)
	impish	Not vulnerable (code not present)
	jammy	Not vulnerable (code not present)
	kinetic	Not vulnerable (code not present)
	lunar	Not vulnerable (code not present)
	mantic	Not vulnerable (code not present)
	trusty	Does not exist
	upstream	Not vulnerable (code not present)
	xenial	Not vulnerable (code not present)

Severity score breakdown

Parameter	Value
Base score	6.5
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References

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