English | Deutsch | Español | Português
 UserID:
 Passwd:
new user
 About:   Dedicated  | Advanced  | Standard  | Recurring  | No Risk  | Desktop  | Basic  | Single  | Security Seal  | FAQ
  Price/Feature Summary  | Order  | New Vulnerabilities  | Confidentiality  | Vulnerability Search
 Vulnerability   
Search   
    Search 150599 CVE descriptions
and 73533 test descriptions,
access 10,000+ cross references.
Tests   CVE   All  

Test ID:1.3.6.1.4.1.25623.1.0.891723
Category:Debian Local Security Checks
Title:Debian LTS Advisory ([SECURITY] [DLA 1723-1] cron security update)
Summary:Various security problems have been discovered in Debian's CRON scheduler.;;CVE-2017-9525;; Fix group crontab to root escalation via the Debian package's; postinst script as described by Alexander Peslyak (Solar Designer) in; the linked references.;;CVE-2019-9704;; DoS: Fix unchecked return of calloc(). Florian Weimer discovered that; a missing check for the return value of calloc() could crash the; daemon, which could be triggered by a very large crontab created by a; user.;;CVE-2019-9705;; Enforce maximum crontab line count of 1000 to prevent a malicious; user from creating an excessivly large crontab. The daemon will log a; warning for existing files, and crontab(1) will refuse to create new; ones.;;CVE-2019-9706;; A user reported a use-after-free condition in the cron daemon,; leading to a possible Denial-of-Service scenario by crashing the; daemon.
Description:Summary:
Various security problems have been discovered in Debian's CRON scheduler.

CVE-2017-9525

Fix group crontab to root escalation via the Debian package's
postinst script as described by Alexander Peslyak (Solar Designer) in
the linked references.

CVE-2019-9704

DoS: Fix unchecked return of calloc(). Florian Weimer discovered that
a missing check for the return value of calloc() could crash the
daemon, which could be triggered by a very large crontab created by a
user.

CVE-2019-9705

Enforce maximum crontab line count of 1000 to prevent a malicious
user from creating an excessivly large crontab. The daemon will log a
warning for existing files, and crontab(1) will refuse to create new
ones.

CVE-2019-9706

A user reported a use-after-free condition in the cron daemon,
leading to a possible Denial-of-Service scenario by crashing the
daemon.

Affected Software/OS:
cron on Debian Linux

Solution:
For Debian 8 'Jessie', these problems have been fixed in version
3.0pl1-127+deb8u2.

We recommend that you upgrade your cron packages.

CVSS Score:
6.9

CVSS Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2017-9525
http://bugs.debian.org/864466
http://www.openwall.com/lists/oss-security/2017/06/08/3
https://lists.debian.org/debian-lts-announce/2019/03/msg00025.html
http://www.securitytracker.com/id/1038651
Common Vulnerability Exposure (CVE) ID: CVE-2019-9704
BugTraq ID: 107373
http://www.securityfocus.com/bid/107373
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6DU7HAUAQR4E4AEBPYLUV6FZ4PHKH6A2/
https://salsa.debian.org/debian/cron/commit/f2525567
Common Vulnerability Exposure (CVE) ID: CVE-2019-9705
BugTraq ID: 107378
http://www.securityfocus.com/bid/107378
https://salsa.debian.org/debian/cron/commit/26814a26
Common Vulnerability Exposure (CVE) ID: CVE-2019-9706
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809167
https://packages.qa.debian.org/c/cron/news/20190311T170403Z.html
https://salsa.debian.org/debian/cron/commit/40791b93
CopyrightCopyright (C) 2019 Greenbone Networks GmbH

This is only one of 73533 vulnerability tests in our test suite. Find out more about running a complete security audit.

To run a free test of this vulnerability against your system, register below.

New User Registration
Email:
UserID:
Passwd:
Please email me your monthly newsletters, informing the latest services, improvements & surveys.
Please email me a vulnerability test announcement whenever a new test is added.
   Privacy
Registered User Login
 
UserID:   
Passwd:  

 Forgot userid or passwd?
Email/Userid:




Home | About Us | Contact Us | Partner Programs | Developer APIs | Privacy | Mailing Lists | Abuse
Security Audits | Managed DNS | Network Monitoring | Site Analyzer | Internet Research Reports
Web Probe

© 1998-2019 E-Soft Inc. All rights reserved.