HP Tru64 Unix 5.x User Authentication improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

A vulnerability has been found in HP Tru64 Unix 5.x (Operating System) and classified as critical. This vulnerability affects some unknown functionality of the component User Authentication. The manipulation with an unknown input leads to a improper authentication vulnerability. The CWE definition for the vulnerability is CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. As an impact it is known to affect confidentiality, and integrity. CVE summarizes:

Unspecified vulnerability in the Secure Shell (SSH) in HP Tru64 UNIX 5.1B-4 and 5.1B-3 allows remote attackers to identify valid users via unspecified vectors, probably related to timing attacks and AuthInteractiveFailureRandomTimeout.

The bug was discovered 05/09/2007. The weakness was disclosed 05/16/2007 by Andrea Purificato (Website). The advisory is available at www4.itrc.hp.com. This vulnerability was named CVE-2007-2791 since 05/21/2007. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available.

A public exploit has been developed by bunker and been published 3 weeks after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as functional. The vulnerability was handled as a non-public zero-day exploit for at least 7 days. During that time the estimated underground price was around $5k-$25k.

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at itrc.hp.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (34329) and Exploit-DB (4032).

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.5
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Functional
Author: bunker
Download: 🔍

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EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: itrc.hp.com

Timelineinfo

05/09/2007 🔍
05/09/2007 +0 days 🔍
05/16/2007 +7 days 🔍
05/16/2007 +0 days 🔍
05/16/2007 +0 days 🔍
05/16/2007 +0 days 🔍
05/16/2007 +0 days 🔍
05/18/2007 +1 days 🔍
05/21/2007 +3 days 🔍
05/21/2007 +0 days 🔍
06/04/2007 +14 days 🔍
06/04/2007 +0 days 🔍
12/06/2007 +185 days 🔍
08/01/2019 +4256 days 🔍

Sourcesinfo

Vendor: hp.com

Advisory: www4.itrc.hp.com
Researcher: Andrea Purificato
Status: Confirmed

CVE: CVE-2007-2791 (🔍)
X-Force: 34329 - HP Tru64 UNIX Secure Shell (SSH) information disclosure, Low Risk
SecurityTracker: 1018065
Vulnerability Center: 17004 - HP Tru64 UNIX SSH Vulnerability Allows Remote Attackers to Identify Valid Users, Medium
SecurityFocus: 24021 - HP Tru64 Valid User Enumeration Weakness
Secunia: 24036 - HP Tru64 SSH Valid User Identification, Less Critical
OSVDB: 36204 - HP Tru64 SSH Unspecified Remote User Enumeration
Vupen: ADV-2007-1851

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/18/2007 10:52
Updated: 08/01/2019 09:41
Changes: 05/18/2007 10:52 (92), 08/01/2019 09:41 (1)
Complete: 🔍

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