A cryptographic cache-based side channel in the RSA implementation in Botan before 1.10.17, and 1.11.x and 2.x before 2.3.0, allows a local attacker to recover information about RSA secret keys, as demonstrated by CacheD. This occurs because an array is indexed with bits derived from a secret key.
| Date Added | Due Date | Vulnerability Name | Required Action |
|---|---|---|---|
| N/A |
| Type | Version | Base score | Base severity | Vector |
|---|---|---|---|---|
| Primary | 3.1 | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
| Primary | 2.0 | 2.1 | LOW | AV:L/AC:L/Au:N/C:P/I:N/A:N |
| CWE ID | Type | Source |
|---|---|---|
| NVD-CWE-noinfo | Primary | nvd@nist.gov |
| Hyperlink | Source | Resource |
|---|---|---|
| https://github.com/randombit/botan/issues/1222 | cve@mitre.org | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00006.html | cve@mitre.org | Mailing List Third Party Advisory |
| https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai | cve@mitre.org | Third Party Advisory |
| https://github.com/randombit/botan/issues/1222 | af854a3a-2127-422b-91ae-364da2661108 | Issue Tracking Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00006.html | af854a3a-2127-422b-91ae-364da2661108 | Mailing List Third Party Advisory |
| https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/wang-shuai | af854a3a-2127-422b-91ae-364da2661108 | Third Party Advisory |