CVE-2018-18629
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.
Does this matter?
A public exploit is published in Exploit-DB and the impact is high, while EPSS rates exploitation at 1.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
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.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.49% probability · 74th percentile
- Public exploits
- 1 in Exploit-DB · first 22 October 2018
- CISA KEV
- Not listed
- Weakness
- CWE-426
- Affected
- keybase/keybase
- Source
- cve@mitre.org
EPSS 1.5% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://blog.mirch.io/2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation/Exploit, Third Party Advisory
- https://hackerone.com/reports/426944Exploit, Patch, Third Party Advisory
- https://keybase.io/docs/secadv/kb002Exploit, Vendor Advisory
- https://blog.mirch.io/2018/12/21/cve-2018-18629-keybase-linux-privilege-escalation/Exploit, Third Party Advisory
- https://hackerone.com/reports/426944Exploit, Patch, Third Party Advisory
- https://keybase.io/docs/secadv/kb002Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.