CVE-2018-1000654

2018-08-2000:00:00

ubuntu.com

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.1 High

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

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

0.002 Low

EPSS

Percentile

58.3%

JSON

GNU Libtasn1-4.13 libtasn1-4.13 version libtasn1-4.13, libtasn1-4.12
contains a DoS, specifically CPU usage will reach 100% when running
asn1Paser against the POC due to an issue in
_asn1_expand_object_id(p_tree), after a long time, the program will be
killed. This attack appears to be exploitable via parsing a crafted file.

Bugs

Notes

Author	Note
mdeslaur	only an issue during at build time, not at runtime. As such, marking as negigible
leosilva	no upstream fix as of 2018-10-09
rodrigo-zaiden	upstream released a fix on 2019-07.

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchlibtasn1-6< anyUNKNOWN
ubuntu14.04noarchlibtasn1-6< anyUNKNOWN
ubuntu16.04noarchlibtasn1-6< 4.7-3ubuntu0.16.04.3+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-onlyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	libtasn1-6	< any	UNKNOWN
ubuntu	14.04	noarch	libtasn1-6	< any	UNKNOWN
ubuntu	16.04	noarch	libtasn1-6	< 4.7-3ubuntu0.16.04.3+esm2) Available with Ubuntu Pro or Ubuntu Pro (Infra-only	UNKNOWN