Security readout for executives and security teams
Plain-English summary
This CVE concerns trust and consent, not a typical remote compromise. The Keybase iOS app 2.13.2 allegedly used a user's private key to sign a Stellar payment address attestation without sufficiently clear notice. The business risk is reputational and user-trust exposure around cryptographic statements users may not have knowingly approved.
Executive priority
Treat this as a low-urgency governance and trust issue unless your organization depends on Keybase Stellar attestations. Prioritize review where cryptographic statements carry legal, financial, or reputational weight.
Technical view
The issue is described as insufficient notice before using a Keybase user's private key to sign a cryptocurrency attestation tied to Stellar payments. Sources do not provide CVSS, CWE, CPEs, exploit details, or a named patch. The known product detail is Keybase app 2.13.2 for iOS from the CVE description.
Likely exposure
Exposure appears limited to users of Keybase app 2.13.2 for iOS and the Stellar payment attestation workflow. The supplied sources do not enumerate affected CPEs, deployment scope, or server-side impact.
Exploitation context
The source bundle does not support active exploitation, and the CVE is not in KEV. The issue is about potentially unwanted cryptographic attestation semantics, not documented key theft, remote code execution, or account takeover.
Researcher notes
Evidence is sparse. No CVSS, CWE, CPEs, patch version, or exploitation report is included. Analysis should stay centered on consent, notice, and attestation semantics for Keybase iOS 2.13.2.
Mitigation direction
- Identify any use of Keybase iOS 2.13.2 in your environment.
- Review Keybase vendor or issue guidance before relying on affected attestations.
- Avoid treating affected Stellar attestations as knowingly approved without user confirmation.
- Update the app if vendor guidance identifies a corrected release.
- Document any user consent or policy implications for cryptographic attestations.
Validation and detection
- Check whether managed devices used Keybase iOS 2.13.2.
- Review accounts for Stellar payment address attestations created during relevant use.
- Confirm affected users intended the attestation's meaning.
- Verify current Keybase behavior against vendor guidance or issue discussion.
- Record gaps where source evidence does not identify a fix.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-16992 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://sneak.berlin/20190929/keybase-backdoor/CVE reference · x_refsource_MISC
- https://github.com/keybase/keybase-issues/issues/3583CVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.