CVE-2019-7249
CVE-2019-7249 is a critical-severity vulnerability in Keybase with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-367.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (83rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-367
- Affected product: Keybase
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2019-7249?
- CVE-2019-7249 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-7249 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-7249?
- CVE-2019-7249 affects Keybase. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-7249?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-7249 published?
- CVE-2019-7249 was published on 2019-01-31 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/106824
- https://hackerone.com/reports/471739
- https://keybase.io/docs/secadv/kb004
Affected products (1)
- cpe:2.3:a:keybase:keybase:*:*:*:*:*:macos:*:*
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