Paul Vixie Cron 3.0.1 crontab privileges management

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.
7.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Paul Vixie Cron 3.0.1. It has been classified as problematic. This impacts an unknown function of the component crontab. Performing a manipulation results in privileges management. This vulnerability is cataloged as CVE-2001-0559. Furthermore, there is an exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Paul Vixie Cron 3.0.1. It has been classified as critical. This affects an unknown code block of the component crontab. The manipulation with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

crontab in Vixie cron 3.0.1 and earlier does not properly drop privileges after the failed parsing of a modification operation, which could allow a local attacker to gain additional privileges when an editor is called to correct the error.

The bug was discovered 05/07/2001. The weakness was shared 08/14/2001 by Sebastian Krahmer with SuSE.de (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2001-0559. 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 unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in Shell File. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 14891 (Debian DSA-054-1 : cron - local root exploit), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 3.0 pl1-67 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 (6508), Exploit-DB (20822), Tenable (14891), SecurityFocus (BID 2687†) and OSVDB (1813†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 14891
Nessus Name: Debian DSA-054-1 : cron - local root exploit
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53566
OpenVAS Name: Debian Security Advisory DSA 054-1 (cron)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Cron 3.0 pl1-67

Timelineinfo

05/07/2001 🔍
05/07/2001 +0 days 🔍
05/07/2001 +0 days 🔍
05/07/2001 +0 days 🔍
08/14/2001 +99 days 🔍
08/14/2001 +0 days 🔍
09/29/2004 +1142 days 🔍
05/22/2007 +965 days 🔍
07/07/2014 +2603 days 🔍
11/17/2024 +3786 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Sebastian Krahmer
Organization: SuSE.de
Status: Confirmed

CVE: CVE-2001-0559 (🔍)
GCVE (CVE): GCVE-0-2001-0559
GCVE (VulDB): GCVE-100-17169
X-Force: 6508
SecurityFocus: 2687 - Vixie Cron crontab Privilege Lowering Failure Vulnerability
OSVDB: 1813 - Vixie Cron could allow local attackers to gain root privileges
Vulnerability Center: 15206 - Vixie Cron crontab Privileges Escalation, High

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

Entryinfo

Created: 07/08/2014 00:32
Updated: 11/17/2024 13:17
Changes: 07/08/2014 00:32 (76), 07/19/2019 17:02 (5), 11/17/2024 13:17 (19)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!