CVE-2019-15900 Detail

Current Description

An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without strtonum(3), sscanf was used without checking for error cases. Instead, the uninitialized variable errstr was checked and in some cases returned success even if sscanf failed. The result was that, instead of reporting that the supplied username or group name did not exist, it would execute the command as root.


View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score:  9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H


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Note: NVD Analysts have published a CVSS score for this CVE based on publicly available information at the time of analysis. The CNA has not provided a score within the CVE List.

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch  Third Party Advisory 
https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes  Third Party Advisory 

Weakness Enumeration

CWE-ID CWE Name Source
CWE-1187 DEPRECATED: Use of Uninitialized Resource cwe source acceptance level NIST  

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Change History

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Quick Info

CVE Dictionary Entry:
CVE-2019-15900
NVD Published Date:
10/18/2019
NVD Last Modified:
10/22/2019
Source:
MITRE