CVEvulnerability
CVE-2018-16868
5.6 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2018-12-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:C/C:H/I:L/A:N
- CVSS 3.0 ([email protected])
- 4.7 MEDIUM — CVSS:3.0/AV:P/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
- CVSS 2.0 ([email protected])
- 3.3 LOW — AV:L/AC:M/Au:N/C:P/I:P/A:N
- Weaknesses
- CWE-203
Description
A Bleichenbacher type side-channel based padding oracle attack was found in the way gnutls handles verification of RSA decrypted PKCS#1 v1.5 data. An attacker who is able to run process on the same physical core as the victim process, could use this to extract plaintext or in some cases downgrade any TLS connections to a vulnerable server.
Affected configurations
• gnu gnutls (<= 3.6.4)
Related
Weakness · CWE (1)
- CWE-203 Observable Discrepancy weakness
References
- http://cat.eyalro.net/ Technical Description, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html Broken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html Broken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106080 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868 Issue Tracking, Third Party Advisory
- http://cat.eyalro.net/ Technical Description, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00017.html Broken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00068.html Broken Link, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/106080 Third Party Advisory, VDB Entry
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16868 Issue Tracking, Third Party Advisory