Vulnerability · Published Apr 23, 2024 · Assigned by GitHub_M

CVE-2024-32482Tillitis TKey Signer possible RAM disclosure vulnerability

Low 2.2

In plain English

A low-severity out-of-bounds read in tkey-device-signer from tillitis. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.1% (higher than 2% of all known vulnerabilities).

Severity (CVSS 3.1)2.2Low

Exploit odds (30 days)0.1%top 98.4% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

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 products (as reported)

Vendor	Product	Versions
tillitis	tkey-device-signer	< 1.0.0

Weakness: CWE-125, CWE-367 · Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

References

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