CVE-2018-14681

Published: 28 July 2018

An issue was discovered in kwajd_read_headers in mspack/kwajd.c in libmspack before 0.7alpha. Bad KWAJ file header extensions could cause a one or two byte overwrite.

Notes

Author	Note
mdeslaur	clamav in xenial+ uses the system libmspack, trusty uses the embedded one.

Priority

Cvss 3 Severity Score

8.8

Score breakdown

Status

Package	Release	Status
clamav Launchpad, Ubuntu, Debian	bionic	Not vulnerable (uses system libmspack)
	cosmic	Not vulnerable (uses system libmspack)
	disco	Not vulnerable (uses system libmspack)
	focal	Not vulnerable (uses system libmspack)
	jammy	Not vulnerable (uses system libmspack)
	kinetic	Not vulnerable (uses system libmspack)
	lunar	Not vulnerable (uses system libmspack)
	mantic	Not vulnerable (uses system libmspack)
	noble	Not vulnerable (uses system libmspack)
	trusty	Released (0.100.1+dfsg-1ubuntu0.14.04.3)
	upstream	Needs triage
	xenial	Not vulnerable (uses system libmspack)
libmspack Launchpad, Ubuntu, Debian	bionic	Released (0.6-3ubuntu0.1)
	cosmic	Not vulnerable (0.7-1)
	disco	Not vulnerable (0.7-1)
	focal	Not vulnerable (0.7-1)
	jammy	Not vulnerable (0.7-1)
	kinetic	Not vulnerable (0.7-1)
	lunar	Not vulnerable (0.7-1)
	mantic	Not vulnerable (0.7-1)
	noble	Not vulnerable (0.7-1)
	trusty	Needed
	upstream	Released (0.7)
	xenial	Released (0.5-1ubuntu0.16.04.2)
	Patches: upstream: https://github.com/kyz/libmspack/commit/0b0ef9344255ff5acfac6b7af09198ac9c9756c8

Severity score breakdown

Parameter	Value
Base score	8.8
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Bugs

http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=904799

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