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[email protected]NVD:CVE-2018-17294

HistorySep 21, 2018 - 7:29 a.m.

CVE-2018-17294

2018-09-2107:29:00

CWE-125

[email protected]

web.nvd.nist.gov

liblouis

denial of service

crafted input file

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

AI Score

6.4

Confidence

High

EPSS

0.002

Percentile

51.8%

JSON

The matchCurrentInput function inside lou_translateString.c of Liblouis prior to 3.7 does not check the input string’s length, allowing attackers to cause a denial of service (application crash via out-of-bounds read) by crafting an input file with certain translation dictionaries.

Affected configurations

Nvd

Node

liblouisliblouisRange<3.7.0

Node

canonicalubuntu_linuxMatch14.04lts

canonicalubuntu_linuxMatch16.04lts

canonicalubuntu_linuxMatch18.04lts

Node

opensuseleapMatch15.0

VendorProductVersionCPE
liblouisliblouis*cpe:2.3:a:liblouis:liblouis:*:*:*:*:*:*:*:*
canonicalubuntu_linux14.04cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
canonicalubuntu_linux16.04cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
canonicalubuntu_linux18.04cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
opensuseleap15.0cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
liblouis	liblouis	*	cpe:2.3:a:liblouis:liblouis::::::::
canonical	ubuntu_linux	14.04	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
canonical	ubuntu_linux	16.04	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
canonical	ubuntu_linux	18.04	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::
opensuse	leap	15.0	cpe:2.3:o:opensuse:leap:15.0:::::::*