What is CVE-2019-7249?

CVE-2019-7249 is a critical-severity vulnerability in Keybase, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 9.8/10. Published 2019-01-31.

How severe is CVE-2019-7249?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Vulnerability in Keybase

CVE-2019-7249

In Keybase before 2.12.6 on macOS, the move RPC to the Helper was susceptible to time-to-check-time-to-use bugs and would also allow one user of the system (who didn't have root access) to tamper with another's installs.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.025 (82.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Keybase
N/a — versions n/a

Weakness classification (CWE)

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition

References

cve@mitre.org (Exploit, Patch, x_refsource_MISC, Vendor Advisory)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2019-7249?: CVE-2019-7249 is a critical-severity vulnerability in Keybase, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 9.8/10. Published 2019-01-31.
How severe is CVE-2019-7249?: Critical severity. CVSS v3 base score is 9.8 out of 10.