10.0
HIGH CVSS 2.0
CVE-2019-15900
Slicer69 Doas SSH Command Execution
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.

INFO

Published Date :

Oct. 18, 2019, 4:15 p.m.

Last Modified :

Nov. 21, 2024, 4:29 a.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2019-15900 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Doas_project doas
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 HIGH [email protected]
CVSS 3.1 CRITICAL [email protected]
Public PoC/Exploit Available at Github

CVE-2019-15900 has a 1 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2019-15900.

URL Resource
https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch
https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes
https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch
https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2019-15900 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2019-15900 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
windshock/uninitialized-variable-vulnerability

None

Java

Updated: 2 years, 11 months ago
0 stars 0 fork 0 watcher
Born at : Sept. 7, 2022, 3:01 p.m. This repo has been linked 1 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2019-15900 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2019-15900 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531
    Added Reference https://github.com/slicer69/doas/compare/6.1p1...6.2
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Reanalysis by [email protected]

    Feb. 16, 2024

    Action Type Old Value New Value
    Changed Reference Type https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch, Third Party Advisory https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch
    Changed Reference Type https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes, Third Party Advisory https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes
    Added CWE NIST CWE-252
  • CWE Remap by [email protected]

    Jul. 21, 2021

    Action Type Old Value New Value
    Changed CWE CWE-1187 CWE-754 CWE-863 CWE-908
  • Initial Analysis by [email protected]

    Oct. 22, 2019

    Action Type Old Value New Value
    Added CVSS V2 NIST (AV:N/AC:L/Au:N/C:C/I:C/A:C)
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 No Types Assigned https://github.com/slicer69/doas/commit/2f83222829448e5bc4c9391d607ec265a1e06531 Patch, Third Party Advisory
    Changed Reference Type https://github.com/slicer69/doas/compare/6.1p1...6.2 No Types Assigned https://github.com/slicer69/doas/compare/6.1p1...6.2 Release Notes, Third Party Advisory
    Added CWE NIST CWE-1187
    Added CPE Configuration OR *cpe:2.3:a:doas_project:doas:*:*:*:*:*:*:*:* versions up to (excluding) 6.2
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 9.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Base CVSS Score: 10
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.35 }} 0.05%

score

0.56435

percentile