Impact: Moderate Public Date: 2019-07-16 CWE: CWE-310 Bugzilla: 1730320: CVE-2019-12904 Libgcrypt: physical addresses being available to other processes leads to a flush-and-reload side-channel attack In Libgcrypt 1.8.4, the C implementation of AES is vulnerable to a flush-and-reload side-channel attack because physical addresses are available to other processes. (The C implementation is used on platforms where an assembly-language implementation is unavailable.)
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2019-12904 from the MITRE CVE dictionary dictionary and NIST NVD.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 5.9 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | None |
| Availability Impact | None |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 8 | libgcrypt | Under investigation |
| Red Hat Enterprise Linux 7 | libgcrypt | Under investigation |
| Red Hat Enterprise Linux 6 | libgcrypt | Under investigation |
| Red Hat Enterprise Linux 5 | libgcrypt | Under investigation |
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