Paul Vixie Vixie Cron up to 4.x database.c denial of service

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in Paul Vixie Vixie Cron up to 4.x. Affected is an unknown function of the file database.c. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2007-1856. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Paul Vixie Vixie Cron up to 4.x. Affected by this issue is an unknown part of the file database.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

Vixie Cron before 4.1-r10 on Gentoo Linux is installed with insecure permissions, which allows local users to cause a denial of service (cron failure) by creating hard links, which results in a failed st_nlink check in database.c.

The bug was discovered 04/16/2007. The weakness was published 04/17/2007 by Security Team (LINUX) with Gentoo Linux (Website). The advisory is shared for download at vupen.com. This vulnerability is handled as CVE-2007-1856 since 04/04/2007. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 67493 (Oracle Linux 3 / 4 / 5 : vixie-cron (ELSA-2007-0345)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116315 (Critical Security Updates for all Supported Versions of VMware ESX Server VMware Server VMware Workstation VMware ACE and VMware Player (VMSA-2007-0006)).

Upgrading to version 4.1-r10 eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (34097), Tenable (67493), SecurityFocus (BID 23520†), OSVDB (34975†) and Secunia (SA24905†). Similar entries are available at VDB-2507, VDB-3321, VDB-3323 and VDB-30456. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
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: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67493
Nessus Name: Oracle Linux 3 / 4 / 5 : vixie-cron (ELSA-2007-0345)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 830279
OpenVAS Name: Zoho ManageEngine Support Center Plus Multiple Fields XSS Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Vixie Cron 4.1-r10

Timelineinfo

04/04/2007 🔍
04/16/2007 +12 days 🔍
04/16/2007 +0 days 🔍
04/16/2007 +0 days 🔍
04/17/2007 +1 days 🔍
04/17/2007 +0 days 🔍
04/17/2007 +0 days 🔍
04/23/2007 +6 days 🔍
05/17/2007 +24 days 🔍
06/26/2007 +40 days 🔍
07/12/2013 +2208 days 🔍
03/13/2015 +609 days 🔍
07/18/2019 +1588 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Security Team (LINUX)
Organization: Gentoo Linux
Status: Not defined
Confirmation: 🔍

CVE: CVE-2007-1856 (🔍)
GCVE (CVE): GCVE-0-2007-1856
GCVE (VulDB): GCVE-100-36200

OVAL: 🔍

X-Force: 34097
SecurityFocus: 23520 - Vixie Cron ST_Nlink Check Local Denial of Service Vulnerability
Secunia: 24905
OSVDB: 34975 - CVE-2007-1856 - Paul Vixie - Vixie Cron - Denial of Service Issue
SecurityTracker: 1018081
Vulnerability Center: 14926 - Vixie Cron Installed on Gentoo Linux Denial of Service due to Insecure Permissions, Low
Vupen: ADV-2007-3229

See also: 🔍

Entryinfo

Created: 03/13/2015 14:56
Updated: 07/18/2019 11:31
Changes: 03/13/2015 14:56 (86), 07/18/2019 11:31 (6)
Complete: 🔍
Cache ID: 216:03C:103

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

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