Vulnerability identifier: #VU17365

Vulnerability risk: Low

CVSSv3.1: 6.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-7249

CWE-ID: CWE-264

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Keybase
Mobile applications / Apps for mobile phones

Vendor: Keybase

Description

The vulnerability allows a local attacker to escalate privileges on the system.

The vulnerability exists due to a time-to-check-time-to-use flaw. A local attacker can gain elevated privileges and tamper with another's installs.

Mitigation
Update to version 2.13.

Vulnerable software versions

Keybase: 2.0.0 - 2.11.0

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External links
http://hackerone.com/reports/471739
http://keybase.io/docs/secadv/kb004

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Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.