National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-18629 Detail

Current 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.

Source:  MITRE
View Analysis Description

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 7.8 HIGH
Vector: AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H (V3 legend)
Impact Score: 5.9
Exploitability Score: 1.8


Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

CVSS v2.0 Severity and Metrics:

Base Score: 7.2 HIGH
Vector: (AV:L/AC:L/Au:N/C:C/I:C/A:C) (V2 legend)
Impact Subscore: 10.0
Exploitability Subscore: 3.9


Access Vector (AV): Local
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose. NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about this page to nvd@nist.gov.

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

Technical Details

Vulnerability Type (View All)

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:keybase:keybase:*:*:*:*:*:linux:*:*
     Show Matching CPE(s)
Up to (excluding)
2.8.0-20181023124437


Change History

2 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2018-18629
NVD Published Date:
12/20/2018
NVD Last Modified:
02/04/2019