rssh 2.3.4 command injection

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in rssh 2.3.4. It has been rated as critical. This affects an unknown part. Performing a manipulation results in command injection. This vulnerability was named CVE-2019-1000018. The attack needs to be approached locally. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical has been found in rssh 2.3.4. This affects an unknown function. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

rssh version 2.3.4 contains a CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection') vulnerability in allowscp permission that can result in Local command execution. This attack appear to be exploitable via An authorized SSH user with the allowscp permission.

The bug was discovered 01/30/2019. The weakness was presented 02/04/2019 (Website). The advisory is shared at debian.org. This vulnerability is uniquely identified as CVE-2019-1000018 since 02/04/2019. An attack has to be approached locally. The successful exploitation requires a authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1202 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 121482 (Debian DLA-1650-1 : rssh security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197429 (Ubuntu Security Notification for Rssh Vulnerabilities (USN-3946-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (121482) and SecurityFocus (BID 106839†). See VDB-130615 and VDB-130616 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 121482
Nessus Name: Debian DLA-1650-1 : rssh security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/30/2019 🔍
01/30/2019 +0 days 🔍
01/31/2019 +1 days 🔍
02/02/2019 +2 days 🔍
02/04/2019 +2 days 🔍
02/04/2019 +0 days 🔍
02/05/2019 +1 days 🔍
03/19/2025 +2234 days 🔍

Sourcesinfo

Advisory: USN-3946-1
Status: Confirmed

CVE: CVE-2019-1000018 (🔍)
GCVE (CVE): GCVE-0-2019-1000018
GCVE (VulDB): GCVE-100-130473
SecurityFocus: 106839 - rssh Multiple Remote Command Execution Vulnerabilities

See also: 🔍

Entryinfo

Created: 02/05/2019 11:14
Updated: 03/19/2025 21:21
Changes: 02/05/2019 11:14 (59), 05/07/2020 20:34 (13), 07/04/2023 18:22 (4), 03/19/2025 21:21 (15)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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