CVE-2018-18629

CVSS V2 High 7.2 CVSS V3 High 7.8

Description

An issue was discovered in the Keybase command-line client before 2.8.0-20181023124437 for Linux. An untrusted search path vulnerability in the keybase-redirector application allows a local, unprivileged user on Linux to gain root privileges via a Trojan horse binary.

Overview

CVE ID
CVE-2018-18629

Assigner
cve@mitre.org

Vulnerability Status
Analyzed

Published Version
2018-12-20T23:29:00

Last Modified Date
2019-02-04T17:44:50

Weakness Enumerations

CWE	URL
CWE-426	http://cwe.mitre.org/data/definitions/426.html

CPE Configuration (Product)

CPE	Vulnerable	Operator	Version Start	Version End
cpe:2.3:a:keybase:keybase::::::linux::*	1	OR		2.8.0-20181023124437

CVSS Version 2

Version
2.0

Vector String
AV:L/AC:L/Au:N/C:C/I:C/A:C

Access Vector
LOCAL

Access Compatibility
LOW

Authentication
NONE

Confidentiality Impact
COMPLETE

Integrity Impact
COMPLETE

Availability Impact
COMPLETE

Base Score
7.2

Severity
HIGH

Exploitability Score
3.9

Impact Score
10

CVSS Version 3

Version
3.0

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

Attack Vector
LOCAL

Attack Compatibility
LOW

Privileges Required
LOW

User Interaction
NONE

Scope
UNCHANGED

Confidentiality Impact
HIGH

Availability Impact
HIGH

Base Score
7.8

Base Severity
HIGH

Exploitability Score
1.8

Impact Score
5.9

References

Reference URL	Reference Tags
https://keybase.io/docs/secadv/kb002	Exploit Vendor Advisory
https://hackerone.com/reports/426944	Exploit Patch Third Party Advisory
https://blog.mirch.io/2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation/	Exploit Third Party Advisory

Sources

Source Name	Source URL
NIST	https://nvd.nist.gov/vuln/detail/CVE-2018-18629
MITRE	https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-18629

History

Created	Old Value	New Value	Data Type	Notes
2022-05-10 07:59:31				Added to TrackCVE
2022-12-03 15:37:14	2018-12-20T23:29Z	2018-12-20T23:29:00	CVE Published Date	updated
2022-12-03 15:37:14		2019-02-04T17:44:50	CVE Modified Date	updated
2022-12-03 15:37:14		Analyzed	Vulnerability Status	updated