CVE-2016-4472

Published: 18 May 2016

The overflow protection in Expat is removed by compilers with certain optimization settings, which allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via crafted XML data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-1283 and CVE-2015-2716.

Notes

Author	Note
mdeslaur	fixed in USN-2983-1 in the CVE-2015-1283-refix.patch patch
ebarretto	tla uses system expat as of 1.3.5+dfsg-15

Priority

Cvss 3 Severity Score

8.1

Score breakdown

Status

Package	Release	Status
audacity Launchpad, Ubuntu, Debian	artful	Not vulnerable (uses system expat)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Needs triage
	precise	Does not exist (precise was not-affected [uses system expat])
	trusty	Does not exist (trusty was not-affected [uses system expat])
	upstream	Needs triage
	wily	Not vulnerable (uses system expat)
	xenial	Not vulnerable (uses system expat)
	yakkety	Not vulnerable (uses system expat)
	zesty	Not vulnerable (uses system expat)
ayttm 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Does not exist
cableswig 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Does not exist
	zesty	Does not exist
cadaver Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Needed
	cosmic	Ignored (reached end-of-life)
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Needed
	groovy	Ignored (reached end-of-life)
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
coin3 Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Needed
	cosmic	Ignored (reached end-of-life)
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Needed
	groovy	Ignored (reached end-of-life)
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	precise	Does not exist (precise was needs-triage)
	trusty	Needed
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
expat Launchpad, Ubuntu, Debian	artful	Not vulnerable (2.1.1-1ubuntu1)
	bionic	Not vulnerable (2.1.1-1ubuntu1)
	cosmic	Not vulnerable (2.1.1-1ubuntu1)
	disco	Not vulnerable (2.1.1-1ubuntu1)
	eoan	Not vulnerable (2.1.1-1ubuntu1)
	focal	Not vulnerable (2.1.1-1ubuntu1)
	groovy	Not vulnerable (2.1.1-1ubuntu1)
	hirsute	Not vulnerable (2.1.1-1ubuntu1)
	impish	Not vulnerable (2.1.1-1ubuntu1)
	jammy	Not vulnerable (2.1.1-1ubuntu1)
	kinetic	Not vulnerable (2.1.1-1ubuntu1)
	precise	Not vulnerable (2.0.1-7.2ubuntu1.3)
	trusty	Not vulnerable (2.1.0-4ubuntu1.2)
	upstream	Needs triage
	wily	Not vulnerable (2.1.0-7ubuntu0.15.10.1)
	xenial	Not vulnerable (2.1.0-7ubuntu0.16.04.1)
	yakkety	Not vulnerable (2.1.1-1ubuntu1)
	zesty	Not vulnerable (2.1.1-1ubuntu1)
	Patches: upstream: https://sourceforge.net/p/expat/code_git/ci/f0bec73b018caa07d3e75ec8dd967f3785d71bde
gdcm Launchpad, Ubuntu, Debian	artful	Not vulnerable (uses system expat)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was not-affected [uses system expat])
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	wily	Not vulnerable (uses system expat)
	xenial	Not vulnerable (uses system expat)
	yakkety	Not vulnerable (uses system expat)
	zesty	Not vulnerable (uses system expat)
insighttoolkit 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Does not exist
	zesty	Does not exist
kompozer 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist
	upstream	Needs triage
	wily	Does not exist
	xenial	Does not exist
	yakkety	Does not exist
	zesty	Does not exist
libparagui1.1 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist
	upstream	Needs triage
	wily	Does not exist
	xenial	Does not exist
	yakkety	Does not exist
	zesty	Does not exist
libxmltok Launchpad, Ubuntu, Debian	bionic	Needed
	focal	Needed
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	trusty	Ignored (out of standard support)
	upstream	Needs triage
	xenial	Released (1.2-3ubuntu0.16.04.1~esm2)
matanza Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Needed
	cosmic	Ignored (reached end-of-life)
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Needed
	groovy	Ignored (reached end-of-life)
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
poco Launchpad, Ubuntu, Debian	artful	Not vulnerable (uses system expat)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was not-affected [uses system expat])
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	wily	Not vulnerable (uses system expat)
	xenial	Not vulnerable (uses system expat)
	yakkety	Not vulnerable (uses system expat)
	zesty	Not vulnerable (uses system expat)
simgear Launchpad, Ubuntu, Debian	artful	Not vulnerable (uses system expat)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was not-affected [uses system expat])
	upstream	Needs triage
	wily	Not vulnerable (uses system expat)
	xenial	Not vulnerable (uses system expat)
	yakkety	Not vulnerable (uses system expat)
	zesty	Not vulnerable (uses system expat)
sitecopy Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Not vulnerable (uses system expat)
	wily	Ignored (reached end-of-life)
	xenial	Not vulnerable (uses system expat)
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
smart Launchpad, Ubuntu, Debian	artful	Not vulnerable (code-not-compiled)
	bionic	Not vulnerable (code-not-compiled)
	cosmic	Not vulnerable (code-not-compiled)
	disco	Not vulnerable (code-not-compiled)
	eoan	Not vulnerable (code-not-compiled)
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	precise	Does not exist (precise was ignored [code-not-compiled])
	trusty	Does not exist (trusty was ignored [code-not-compiled])
	upstream	Needs triage
	wily	Not vulnerable (code-not-compiled)
	xenial	Not vulnerable (code-not-compiled)
	yakkety	Not vulnerable (code-not-compiled)
	zesty	Not vulnerable (code-not-compiled)
swish-e Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Needed
	cosmic	Ignored (reached end-of-life)
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Needed
	groovy	Ignored (reached end-of-life)
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
tdom Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Not vulnerable
	cosmic	Not vulnerable
	disco	Not vulnerable
	eoan	Not vulnerable
	focal	Not vulnerable
	groovy	Not vulnerable
	hirsute	Not vulnerable
	impish	Not vulnerable
	jammy	Not vulnerable
	kinetic	Not vulnerable
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Not vulnerable (uses system expat)
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
tla Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Not vulnerable (1.3.5+dfsg-15)
	cosmic	Not vulnerable (1.3.5+dfsg-15)
	disco	Not vulnerable (1.3.5+dfsg-15)
	eoan	Not vulnerable (1.3.5+dfsg-15)
	focal	Not vulnerable (1.3.5+dfsg-15)
	groovy	Not vulnerable (1.3.5+dfsg-15)
	hirsute	Not vulnerable (1.3.5+dfsg-15)
	impish	Not vulnerable (1.3.5+dfsg-15)
	jammy	Not vulnerable (1.3.5+dfsg-15)
	kinetic	Not vulnerable (1.3.5+dfsg-15)
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was not-affected [1.3.5+dfsg-15])
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Not vulnerable (1.3.5+dfsg-15)
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
vnc4 Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Ignored
	cosmic	Ignored
	disco	Ignored
	eoan	Ignored
	focal	Does not exist
	groovy	Does not exist
	hirsute	Does not exist
	impish	Does not exist
	jammy	Does not exist
	kinetic	Does not exist
	precise	Does not exist (precise was needs-triage)
	trusty	Ignored
	upstream	Ignored
	wily	Ignored (reached end-of-life)
	xenial	Ignored
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
vtk 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
	precise	Does not exist (precise was needs-triage)
	trusty	Not vulnerable (uses system expat)
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Not vulnerable (uses system expat)
	yakkety	Does not exist
	zesty	Does not exist
wbxml2 Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Not vulnerable (uses system expat)
	wily	Ignored (reached end-of-life)
	xenial	Not vulnerable (uses system expat)
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
wxwidgets2.6 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist
	upstream	Needs triage
	wily	Does not exist
	xenial	Does not exist
	yakkety	Does not exist
	zesty	Does not exist
wxwidgets2.8 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
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was not-affected [uses system expat])
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Does not exist
	yakkety	Does not exist
	zesty	Does not exist
xmlrpc-c Launchpad, Ubuntu, Debian	artful	Ignored (reached end-of-life)
	bionic	Needed
	cosmic	Ignored (reached end-of-life)
	disco	Ignored (reached end-of-life)
	eoan	Ignored (reached end-of-life)
	focal	Needed
	groovy	Ignored (reached end-of-life)
	hirsute	Ignored (reached end-of-life)
	impish	Ignored (reached end-of-life)
	jammy	Needed
	kinetic	Needed
	precise	Does not exist (precise was released [1.16.33-3.1ubuntu5.2])
	trusty	Needed
	upstream	Needs triage
	wily	Ignored (reached end-of-life)
	xenial	Needed
	yakkety	Ignored (reached end-of-life)
	zesty	Ignored (reached end-of-life)
xotcl Launchpad, Ubuntu, Debian	artful	Not vulnerable (uses system expat)
	bionic	Not vulnerable (uses system expat)
	cosmic	Not vulnerable (uses system expat)
	disco	Not vulnerable (uses system expat)
	eoan	Not vulnerable (uses system expat)
	focal	Not vulnerable (uses system expat)
	groovy	Not vulnerable (uses system expat)
	hirsute	Not vulnerable (uses system expat)
	impish	Not vulnerable (uses system expat)
	jammy	Not vulnerable (uses system expat)
	kinetic	Not vulnerable (uses system expat)
	precise	Does not exist (precise was needs-triage)
	trusty	Does not exist (trusty was needed)
	upstream	Needs triage
	wily	Not vulnerable (uses system expat)
	xenial	Not vulnerable (uses system expat)
	yakkety	Not vulnerable (uses system expat)
	zesty	Not vulnerable (uses system expat)

Severity score breakdown

Parameter	Value
Base score	8.1
Attack vector	Network
Attack complexity	High
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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