CVE-2019-11727
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- CVE-2019-11727
CVE Details
| Release Date: | 2019-07-23 | |
| Impact: | None | What is this? |
Description
A vulnerability exists where it possible to force Network Security Services (NSS) to sign CertificateVerify with PKCS#1 v1.5 signatures when those are the only ones advertised by server in CertificateRequest in TLS 1.3. PKCS#1 v1.5 signatures should not be used for TLS 1.3 messages. This vulnerability affects Firefox < 68.
See more information about CVE-2019-11727 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 5.3 |
| Vector String: | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |
| Version: | 3.0 |
| Attack Vector: | Network |
| Attack Complexity: | Low |
| Privileges Required: | None |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | None |
| Integrity Impact: | Low |
| Availability Impact: | None |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 7 (nspr) | ELSA-2020-4076 | 2020-10-08 |
| Oracle Linux version 7 (nss) | ELSA-2020-4076 | 2020-10-08 |
| Oracle Linux version 7 (nss-softokn) | ELSA-2020-4076 | 2020-10-08 |
| Oracle Linux version 7 (nss-util) | ELSA-2020-4076 | 2020-10-08 |
| Oracle Linux version 8 (nspr) | ELSA-2019-1951 | 2019-08-05 |
| Oracle Linux version 8 (nss) | ELSA-2019-1951 | 2019-08-05 |
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