OpenBSD OpenSSH User Account information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenBSD OpenSSH. It has been declared as problematic. This affects an unknown part of the component User Account. Such manipulation leads to information disclosure. This vulnerability is documented as CVE-2007-2768. There is not any exploit available.

Detailsinfo

A vulnerability was found in OpenBSD OpenSSH (Connectivity Software) (version now known) and classified as problematic. Affected by this issue is some unknown processing of the component User Account. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

OpenSSH, when using OPIE (One-Time Passwords in Everything) for PAM, allows remote attackers to determine the existence of certain user accounts, which displays a different response if the user account exists and is configured to use one-time passwords (OTP), a similar issue to CVE-2007-2243.

The weakness was released 04/25/2007 by Stanislaw Klekot (Website). The advisory is shared for download at archives.neohapsis.com. This vulnerability is handled as CVE-2007-2768. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/14/2021). The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability scanner Nessus provides a plugin with the ID 17705 (OPIE w/ OpenSSH Account Enumeration), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (34490), Tenable (17705), OSVDB (34601†) and Vulnerability Center (SBV-33987†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
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: Information disclosure
CWE: CWE-200 / 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: 17705
Nessus Name: OPIE w/ OpenSSH Account Enumeration
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/25/2007 🔍
05/04/2007 +9 days 🔍
05/21/2007 +16 days 🔍
05/21/2007 +0 days 🔍
05/21/2007 +0 days 🔍
11/18/2011 +1642 days 🔍
12/06/2011 +18 days 🔍
03/13/2015 +1193 days 🔍
07/14/2021 +2315 days 🔍

Sourcesinfo

Vendor: openbsd.org

Advisory: archives.neohapsis.com
Researcher: Stanislaw Klekot
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-2768 (🔍)
GCVE (CVE): GCVE-0-2007-2768
GCVE (VulDB): GCVE-100-36896
X-Force: 34490
OSVDB: 34601 - OPIE w/ OpenSSH Account Enumeration
Vulnerability Center: 33987 - OpenSSH when Using OPIE for PAM Remote Disclosure of User Accounts Existence, Low

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/14/2021 20:11
Changes: 03/13/2015 14:56 (53), 04/05/2017 15:03 (8), 07/14/2021 20:04 (4), 07/14/2021 20:11 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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