Vulnerability Monitor

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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.

Published

2018-09-21T07:29:00.617

Last Modified

2024-11-21T03:54:11.543

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	liblouis	liblouis	< 3.7.0	Yes
Operating System	canonical	ubuntu_linux	14.04	Yes
Operating System	canonical	ubuntu_linux	16.04	Yes
Operating System	canonical	ubuntu_linux	18.04	Yes
Operating System	opensuse	leap	15.0	Yes

References

http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/105511 Third Party Advisory, VDB Entry ([email protected])
https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e Patch, Third Party Advisory ([email protected])
https://github.com/liblouis/liblouis/issues/635 Exploit, Patch, Third Party Advisory ([email protected])
https://usn.ubuntu.com/3782-1/ Third Party Advisory ([email protected])
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00038.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/105511 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/liblouis/liblouis/commit/5e4089659bb49b3095fa541fa6387b4c40d7396e Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/liblouis/liblouis/issues/635 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3782-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)