CVE-2018-17294

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/liblouis/liblouis/issues/635	Exploit Patch Third Party Advisory
https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e	Patch Third Party Advisory
https://usn.ubuntu.com/3782-1/	Third Party Advisory
http://www.securityfocus.com/bid/105511	Third Party Advisory VDB Entry
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:liblouis:liblouis:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts:::

Configuration 3 (hide)

cpe:2.3:o:opensuse:leap:15.0:*:*:*:*:*:*:*

Information

Published : 2018-09-21 00:29

Updated : 2019-04-18 09:09

NVD link : CVE-2018-17294

Mitre link : CVE-2018-17294

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

canonical

ubuntu_linux

liblouis

liblouis

opensuse

leap

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