CVE-2024-32482

Summary

The Tillitis TKey signer device application is an ed25519 signing tool. A vulnerability has been found that makes it possible to disclose portions of the TKey’s data in RAM over the USB interface. To exploit the vulnerability an attacker needs to use a custom client application and to touch the TKey. No secret is disclosed. All client applications integrating tkey-device-signer should upgrade to version 1.0.0 to receive a fix. No known workarounds are available.

Affected Software

Weaknesses

• CWE-125: CWE-125: Out-of-bounds Read
• CWE-367: CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://github.com/tillitis/tkey-device-signer/security/advisories/GHSA-frqc-62hv-379p
• https://bugbounty.tillitis.se/security-bulletins/tillitis-security-bulletin-240115-1

References

• https://github.com/tillitis/tkey-device-signer/security/advisories/GHSA-frqc-62hv-379p
• https://bugbounty.tillitis.se/security-bulletins/tillitis-security-bulletin-240115-1

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