VDB-13787 · CVE-1999-0297 · XFDB 3124

Vixie Cron Library 3.0 Environment Variable memory corruption

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.
9.3	$0-$5k	0.00

A vulnerability was found in Vixie Cron Library 3.0 (Software Library). It has been rated as critical. This issue affects an unknown code of the component Environment Variable Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

buffer overflow in vixie cron library up to version 3.0 allows local users to obtain root access via a long environmental variable.

The weakness was disclosed 12/12/1996. The identification of this vulnerability is CVE-1999-0297. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (3124) and Vulnerability Center (SBV-56672).

Productinfoedit

Type

Software Library

Vendor

Vixie

Name

Cron Library

CPE 2.3infoedit

🔍

CPE 2.2infoedit

🔍

CVSSv3infoedit

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 9.3

VulDB Base Score: 9.3
VulDB Temp Score: 9.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2infoedit

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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: 🔍

Exploitinginfoedit

Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

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

Countermeasuresinfoedit

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfoedit

12/11/1996 🔍
12/11/1996 +0 days 🔍
12/12/1996 +0 days 🔍
12/12/1996 +0 days 🔍
06/17/2014 +6396 days 🔍
02/17/2016 +610 days 🔍
08/23/2018 +917 days 🔍

Sourcesinfoedit

Status: Not defined

CVE: CVE-1999-0297 (🔍)
X-Force: 3124
Vulnerability Center: 56672 - Vixie Cron through 3.0 Local Privilege Escalation Vulnerability, Medium
SecurityFocus: 83073 - NetBSD CVE-1999-0297 Local Security Vulnerability

Entryinfoedit

Created: 06/17/2014 06:00 PM
Updated: 08/23/2018 08:15 AM
Changes: (2) source_securityfocus_date source_securityfocus_class
Complete: 🔍