CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.1	$0-$5k	0.00

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) and Tenable (38670).

Productinfo

Vendor

• Andrew J.korty

Name

• pam_ssh

Version

• 1.92

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Credentials management
CWE: CWE-255
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

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

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: 🔍

Discussion

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