Curl versions 7.14.1 through 7.61.1 are vulnerable to a heap-based buffer over-read in the tool_msgs.c:voutf() function that may result in information exposure and denial of service.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2018-16842 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 | 3.6 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:L |
| Attack Vector | Local |
| Attack Complexity | High |
| Privileges Required | None |
| User Interaction | Required |
| Scope | Unchanged |
| Confidentiality | Low |
| Integrity Impact | None |
| Availability Impact | Low |
| Platform | Package | State |
|---|---|---|
| Red Hat Software Collections for Red Hat Enterprise Linux | httpd24-curl | Affected |
| Red Hat JBoss Web Server 5 | curl | Under investigation |
| Red Hat JBoss Core Services 1 | curl | Under investigation |
| Red Hat Enterprise Linux 7 | curl | Affected |
| Red Hat Enterprise Linux 6 | curl | Will not fix |
| Red Hat Enterprise Linux 5 | curl | Will not fix |
| .NET Core 2.0 on Red Hat Enterprise Linux | rh-dotnet21-curl | Affected |
| .NET Core 1.0 on Red Hat Enterprise Linux | rh-dotnetcore10-curl | Affected |
| .NET Core 1.0 on Red Hat Enterprise Linux | rh-dotnetcore11-curl | Affected |
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