It was found that the libcurl library using the NSS (Network Security Services) library as TLS/SSL backend incorrectly re-used client certificates for subsequent TLS connections in certain cases. An attacker could potentially use this flaw to hijack the authentication of the connection by leveraging a previously created connection with a different client certificate.
Find out more about CVE-2016-7141 from the MITRE CVE dictionary dictionary and NIST NVD.
| Base Score | 4.9 |
|---|---|
| Base Metrics | AV:N/AC:M/Au:S/C:P/I:P/A:N |
| Access Vector | Network |
| Access Complexity | Medium |
| Authentication | Single |
| Confidentiality Impact | Partial |
| Integrity Impact | Partial |
| Availability Impact | None |
| CVSS3 Base Score | 4.2 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N |
| Attack Vector | Network |
| Attack Complexity | High |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | Low |
| Availability Impact | None |
Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).
| Platform | Errata | Release Date |
|---|---|---|
| Red Hat JBoss Core Services 1 | RHSA-2016:2957 | 2016-12-15 |
| Red Hat Software Collections for Red Hat Enterprise Linux 6 (httpd24-curl) | RHSA-2018:3558 | 2018-11-13 |
| Red Hat Software Collections for Red Hat Enterprise Linux 7 (httpd24-curl) | RHSA-2018:3558 | 2018-11-13 |
| Red Hat Enterprise Linux 7 (curl) | RHSA-2016:2575 | 2016-11-03 |
| Platform | Package | State |
|---|---|---|
| Red Hat JBoss Web Server 3.0 | curl | Will not fix |
| Red Hat Enterprise Linux 6 | curl | Will not fix |
| Red Hat Enterprise Linux 5 | curl | Not affected |
| RHEV Manager 3 | mingw-virt-viewer | Will not fix |
| .NET Core 2.0 on Red Hat Enterprise Linux | rh-dotnet20-curl | Not affected |
| .NET Core 1.0 on Red Hat Enterprise Linux | rh-dotnetcore10-curl | Not affected |
| .NET Core 1.0 on Red Hat Enterprise Linux | rh-dotnetcore11-curl | Not affected |
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