OpenSSH up to 4.8 access control

CVSS Meta Temp Score
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CTI Interest Score
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5.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenSSH up to 4.8 and classified as critical. This affects an unknown part. Performing a manipulation results in access control. This vulnerability is known as CVE-2008-1657. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in OpenSSH up to 4.8 (Connectivity Software). This affects an unknown part. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

OpenSSH 4.4 up to versions before 4.9 allows remote authenticated users to bypass the sshd_config ForceCommand directive by modifying the .ssh/rc session file.

The bug was discovered 03/30/2008. The weakness was published 04/02/2008 (Website). It is possible to read the advisory at us-cert.gov. This vulnerability is uniquely identified as CVE-2008-1657 since 04/02/2008. The exploitability is told to be easy. It is possible to initiate the attack remotely. A authentication is necessary for exploitation. 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.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 36276 (Mandriva Linux Security Advisory : openssh (MDVSA-2008:098)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165192 (SUSE Security Update for Multiple Packages (SUSE-SR:2008:009)).

Upgrading to version 4.9 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (41549), Tenable (36276), SecurityFocus (BID 28531†), OSVDB (43911†) and Secunia (SA29602†). Similar entries are available at VDB-42790, VDB-42001, VDB-42000 and VDB-41999. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

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-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 36276
Nessus Name: Mandriva Linux Security Advisory : openssh (MDVSA-2008:098)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 830603
OpenVAS Name: Mandriva Update for mysql MDVA-2012:049 (mysql)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: OpenSSH 4.9

Timelineinfo

03/30/2008 🔍
03/30/2008 +0 days 🔍
03/31/2008 +1 days 🔍
03/31/2008 +0 days 🔍
04/02/2008 +2 days 🔍
04/02/2008 +0 days 🔍
04/02/2008 +0 days 🔍
04/13/2008 +11 days 🔍
05/06/2008 +23 days 🔍
04/23/2009 +352 days 🔍
03/16/2015 +2153 days 🔍
11/04/2020 +2060 days 🔍

Sourcesinfo

Advisory: us-cert.gov
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2008-1657 (🔍)
GCVE (CVE): GCVE-0-2008-1657
GCVE (VulDB): GCVE-100-41835

OVAL: 🔍

X-Force: 41549
SecurityFocus: 28531 - OpenSSH ForceCommand Command Execution Weakness
Secunia: 29602
OSVDB: 43911 - CVE-2008-1657 - OpenBSD - OpenSSH - Command Execution Issue
SecurityTracker: 1019733
Vulnerability Center: 18167 - OpenSSH ForceCommand Vulnerability Allows Remote Attackers to Execute Arbitrary Commands, High
Vupen: ADV-2008-1035

See also: 🔍

Entryinfo

Created: 03/16/2015 17:00
Updated: 11/04/2020 15:07
Changes: 03/16/2015 17:00 (76), 08/08/2019 14:09 (12), 11/04/2020 15:07 (1)
Complete: 🔍
Committer: rame
Cache ID: 216::103

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