Vulnerability · Published Jan 30, 2024 · Assigned by redhat
CVE-2023-6258Pkcs11-provider: side-channel proofing pkcs#1 1.5 paths
High 8.1
In plain English
A high-severity security flaw in Fedora from Fedora. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.6%top 52.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
A security vulnerability has been identified in the pkcs11-provider, which is associated with Public-Key Cryptography Standards (PKCS#11). If exploited successfully, this vulnerability could result in a Bleichenbacher-like security flaw, potentially enabling a side-channel attack on PKCS#1 1.5 decryption.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | pkcs11-provider | 0.3-1 | DEBIAN-CVE-2023-6258 |
| Debian:14 | pkcs11-provider | 0.3-1 | DEBIAN-CVE-2023-6258 |
| Ubuntu:24.04:LTS | pkcs11-provider | 0.3-1 | UBUNTU-CVE-2023-6258 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | pkcs11-provider | see references |
| Fedora | Fedora | see references |
Weakness: CWE-1300 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- RHBZ#2251062 issue-tracking, x_refsource_REDHAT
- https://github.com/latchset/pkcs11-provider/pull/308