Paramiko up to 2.4.1 SSH Server access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Paramiko up to 2.4.1. This impacts an unknown function of the component SSH Server. This manipulation causes access control. This vulnerability is registered as CVE-2018-1000805. Remote exploitation of the attack is possible. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Paramiko up to 2.4.1. It has been declared as critical. Affected by this vulnerability is an unknown functionality of the component SSH Server. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-284. The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Paramiko version 2.4.1, 2.3.2, 2.2.3, 2.1.5, 2.0.8, 1.18.5, 1.17.6 contains a Incorrect Access Control vulnerability in SSH server that can result in RCE. This attack appear to be exploitable via network connectivity.

The bug was discovered 09/06/2018. The weakness was published 10/08/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-1000805 since 10/08/2018. The exploitation appears to be easy. The attack can be launched remotely. The successful exploitation needs a single authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 32 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 118104 (Fedora 27 : python-paramiko (2018-aff51f5e62)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 172056 (OpenSUSE Security Update for python-paramiko (openSUSE-SU-2019:0129-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 7 days after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (118104). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.2

VulDB Base Score: 6.3
VulDB Temp Score: 5.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 118104
Nessus Name: Fedora 27 : python-paramiko (2018-aff51f5e62)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

09/06/2018 🔍
10/08/2018 +31 days 🔍
10/08/2018 +0 days 🔍
10/08/2018 +0 days 🔍
10/09/2018 +1 days 🔍
10/14/2018 +5 days 🔍
10/15/2018 +1 days 🔍
05/23/2023 +1681 days 🔍

Sourcesinfo

Product: github.com

Advisory: FEDORA-2018-aff51f5e62
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000805 (🔍)
GCVE (CVE): GCVE-0-2018-1000805
GCVE (VulDB): GCVE-100-125035

Entryinfo

Created: 10/09/2018 08:22
Updated: 05/23/2023 08:57
Changes: 10/09/2018 08:22 (69), 03/31/2020 14:56 (4), 05/23/2023 08:53 (4), 05/23/2023 08:57 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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