fcron 2.0.1/2.9.4 fcronsighup proc information disclosure

HistoryDiffrelatejsonxmlCTI

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.
8.0	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic has been found in fcron 2.0.1/2.9.4. The impacted element is an unknown function of the file proc of the component fcronsighup. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2004-1031. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in fcron 2.0.1/2.9.4. It has been classified as critical. This affects some unknown processing of the file proc of the component fcronsighup. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

fcronsighup in fcron 2.0.1 2.9.4 and possibly earlier versions allows local users to bypass access restrictions and load an arbitrary configuration file by starting an suid process and pointing the fcronsighup configuration file to a /proc entry that is owned by root but modifiable by the user such as /proc/self/cmdline or /proc/self/environ.

The bug was discovered 11/15/2004. The weakness was shared 03/01/2005 by Karol Wiesek (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2004-1031 since 11/12/2004. The exploitability is told to be easy. An attack has to be approached locally. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 67 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 19148 (FreeBSD : fcron -- multiple vulnerabilities (e480ccb2-6bc8-11d9-8dbe-000a95bc6fae)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (18076), Tenable (19148), SecurityFocus (BID 11684†), OSVDB (11835†) and Vulnerability Center (SBV-8185†). The entries VDB-24011, VDB-24010 and VDB-24008 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

fcron

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.0

VulDB Base Score: 8.4
VulDB Temp Score: 8.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: Partially
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: 19148
Nessus Name: FreeBSD : fcron -- multiple vulnerabilities (e480ccb2-6bc8-11d9-8dbe-000a95bc6fae)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 52218
OpenVAS Name: FreeBSD Ports: fcron
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/12/2004 🔍
11/15/2004 +3 days 🔍
11/15/2004 +0 days 🔍
11/15/2004 +0 days 🔍
01/21/2005 +67 days 🔍
03/01/2005 +39 days 🔍
03/01/2005 +0 days 🔍
05/30/2005 +90 days 🔍
07/13/2005 +44 days 🔍
03/10/2015 +3527 days 🔍
06/02/2019 +1544 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Karol Wiesek
Status: Not defined

CVE: CVE-2004-1031 (🔍)
GCVE (CVE): GCVE-0-2004-1031
GCVE (VulDB): GCVE-100-24009
X-Force: 18076
SecurityFocus: 11684 - Fcron FCronTab/FCronSighUp Multiple Local Vulnerabilities
OSVDB: 11835 - CVE-2004-1031 - Thibault Godouet - Fcron - Security Bypass Issue
Vulnerability Center: 8185 - Fcron 2.0.1, 2.9.4 Allows Bypassing Access Restrictions via fcronsighup Tool, Low

See also: 🔍

Entryinfo

Created: 03/10/2015 15:27
Updated: 06/02/2019 01:05
Changes: 03/10/2015 15:27 (70), 06/02/2019 01:05 (6)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.