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.
7.5	$0-$5k	0.00

A vulnerability was found in Gentoo NVClock 0.7. It has been classified as critical. Affected is the function set_default_speeds of the component Backend. The manipulation with an unknown input leads to a symlink vulnerability. CWE is classifying the issue as CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The set_default_speeds function in backend/backend.c in NVidia NVClock before 0.8b2 allows local users to overwrite arbitrary files via a symlink attack on the /tmp/nvclock temporary file.

The bug was discovered 07/24/2007. The weakness was presented 07/03/2007 by Tavis Ormandy (LINUX) with Gentoo Linux (Website). The advisory is shared for download at secunia.com. This vulnerability is traded as CVE-2007-3531 since 07/03/2007. The attack needs to be approached locally. The successful exploitation requires a authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 25790 (GLSA-200707-08 : NVClock: Insecure file usage), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 0.7 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (35584) and Tenable (25790).

Productinfo

Vendor

• Gentoo

Name

• NVClock

Version

• 0.7

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
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: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Local: Yes
Remote: No

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: 25790
Nessus Name: GLSA-200707-08 : NVClock: Insecure file usage
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58475
OpenVAS Name: Gentoo Security Advisory GLSA 200707-08 (nvclock)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: NVClock 0.7

Timelineinfo

07/03/2007 🔍
07/03/2007 +0 days 🔍
07/24/2007 +20 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/24/2007 +0 days 🔍
07/25/2007 +1 days 🔍
07/25/2007 +0 days 🔍
07/25/2007 +0 days 🔍
07/27/2007 +1 days 🔍
07/30/2007 +3 days 🔍
03/15/2015 +2785 days 🔍
07/22/2019 +1590 days 🔍

Sourcesinfo

Advisory: secunia.com⛔
Researcher: Tavis Ormandy (LINUX)
Organization: Gentoo Linux
Status: Not defined

CVE: CVE-2007-3531 (🔍)
X-Force: 35584
Vulnerability Center: 15728 - NVidia NVClock Vulnerability Allows Local Users Access Violations and Privilege Escalation, Medium
SecurityFocus: 25052 - NVClock Local Privilege Escalation Vulnerability
Secunia: 26208
OSVDB: 38573 - NVidia NVClock /tmp/nvclock Symlink Arbitrary File Overwrite

Entryinfo

Created: 03/15/2015 15:58
Updated: 07/22/2019 17:19
Changes: 03/15/2015 15:58 (81), 07/22/2019 17:19 (3)
Complete: 🔍

Discussion

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