Andrew J.korty pam_ssh 1.92 Error Message USE=ssh credentials management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Andrew J.korty pam_ssh 1.92. This affects an unknown function of the component Error Message Handler. The manipulation of the argument USE=ssh leads to credentials management. This vulnerability is uniquely identified as CVE-2009-1273. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Andrew J.korty pam_ssh 1.92. It has been rated as critical. This issue affects some unknown processing of the component Error Message Handler. The manipulation of the argument USE=ssh with an unknown input leads to a credentials management vulnerability. Using CWE to declare the problem leads to CWE-255. Impacted is confidentiality. The summary by CVE is:

pam_ssh 1.92 and possibly other versions, as used when PAM is compiled with USE=ssh, generates different error messages depending on whether the username is valid or invalid, which makes it easier for remote attackers to enumerate usernames.

The bug was discovered 03/24/2009. The weakness was disclosed 04/08/2009 (Website). It is possible to read the advisory at redhat.com. The identification of this vulnerability is CVE-2009-1273 since 04/08/2009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1552 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 15 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 38670 (Fedora 9 : pam_ssh-1.92-10.fc9 (2009-3627)), 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.

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49596), Tenable (38670), SecurityFocus (BID 34333†), OSVDB (53693†) and Secunia (SA34536†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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: Credentials management
CWE: CWE-255
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: 38670
Nessus Name: Fedora 9 : pam_ssh-1.92-10.fc9 (2009-3627)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 63927
OpenVAS Name: Fedora Core 10 FEDORA-2009-3500 (pam_ssh)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/24/2009 🔍
03/24/2009 +0 days 🔍
04/01/2009 +8 days 🔍
04/02/2009 +1 days 🔍
04/08/2009 +6 days 🔍
04/08/2009 +0 days 🔍
04/08/2009 +0 days 🔍
04/13/2009 +5 days 🔍
05/04/2009 +21 days 🔍
05/04/2009 +0 days 🔍
03/17/2015 +2143 days 🔍
09/02/2019 +1630 days 🔍

Sourcesinfo

Advisory: redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2009-1273 (🔍)
GCVE (CVE): GCVE-0-2009-1273
GCVE (VulDB): GCVE-100-47627
X-Force: 49596
SecurityFocus: 34333 - pam_ssh Existing/Non-Existing Username Enumeration Weakness
Secunia: 34536
OSVDB: 53693 - pam_ssh - Existing.Non-Existing Username Enumeration Weakness
Vulnerability Center: 21851 - Pam_ssh 1.91 and 1.92 Vulnerability Allows Remote Enumeration of User Names via Error Messages, Medium

Entryinfo

Created: 03/17/2015 23:38
Updated: 09/02/2019 16:15
Changes: 03/17/2015 23:38 (76), 09/02/2019 16:15 (5)
Complete: 🔍
Cache ID: 216:EDA:103

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