Vulnerability Name:

CVE-2007-1856 (CCN-34097)

Assigned:2007-04-10
Published:2007-04-10
Updated:2017-10-11
Summary: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.
CVSS v3 Severity:6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)
1.6 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Denial of Service
References:Source: CCN
Type: Full-Disclosure Mailing List, Wed Sep 19 2007 - 21:15:23 CDT
VMSA-2007-0006 Critical security updates for all supported versions of VMware ESX Server, VMware Server, VMware Workstation, VMware ACE, and VMware Player

Source: MITRE
Type: CNA
CVE-2007-1856

Source: FULLDISC
Type: UNKNOWN
20070920 VMSA-2007-0006 Critical security updates for all supported versions of VMware ESX Server, VMware Server, VMware Workstation, VMware ACE, and VMware Player

Source: CCN
Type: VMware Security-announce Mailing list, Wed Sep 19 19:15:23 PDT 2007
VMSA-2007-0006 Critical security updates for all supported versions of VMware ESX Server, VMware Server, VMware Workstation, VMware ACE, and VMware Player

Source: CCN
Type: RHSA-2007-0345
Moderate: vixie-cron security update

Source: REDHAT
Type: UNKNOWN
RHSA-2007:0345

Source: SECUNIA
Type: UNKNOWN
24905

Source: SECUNIA
Type: UNKNOWN
24995

Source: SECUNIA
Type: UNKNOWN
25321

Source: CCN
Type: SA25723
Avaya Products vixie-cron Local Denial of Service

Source: SECUNIA
Type: UNKNOWN
25723

Source: CCN
Type: SA26909
VMware ESX Server Multiple Security Updates

Source: SECUNIA
Type: UNKNOWN
26909

Source: SECUNIA
Type: UNKNOWN
27706

Source: SECUNIA
Type: UNKNOWN
27886

Source: GENTOO
Type: UNKNOWN
GLSA-200704-11

Source: CCN
Type: SECTRACK ID: 1018081
Vixie Cron Installation Permissions on Some Platforms Let Local Users Deny Service

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2007-261.htm

Source: CCN
Type: ASA-2007-261
vixie-cron security update (RHSA-2007-0345)

Source: CCN
Type: GLSA-200704-11
Vixie Cron: Denial of Service

Source: MANDRIVA
Type: UNKNOWN
MDKSA-2007:234

Source: SUSE
Type: UNKNOWN
SUSE-SR:2007:007

Source: BID
Type: UNKNOWN
23520

Source: CCN
Type: BID-23520
Vixie Cron ST_Nlink Check Local Denial of Service Vulnerability

Source: SECTRACK
Type: UNKNOWN
1018081

Source: CCN
Type: VMware, Inc. Web site
Download Patch ESX-1001214 for VMware ESX Server 3.0.1

Source: VUPEN
Type: UNKNOWN
ADV-2007-3229

Source: XF
Type: UNKNOWN
vixiecron-hardlinks-dos(34097)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:11463

Source: SUSE
Type: SUSE-SR:2007:007
SUSE Security Summary Report

Vulnerable Configuration:Configuration 1:
  • cpe:/o:gentoo:linux:*:*:*:*:*:*:*:*
  • AND
  • cpe:/a:paul_vixie:vixie_cron:*:*:*:*:*:*:*:* (Version <= 4.1)

    • Configuration RedHat 1:
  • cpe:/o:redhat:enterprise_linux:4:*:*:*:*:*:*:*

    • Configuration RedHat 2:
  • cpe:/o:redhat:enterprise_linux:4::as:*:*:*:*:*

    • Configuration RedHat 3:
  • cpe:/o:redhat:enterprise_linux:4::desktop:*:*:*:*:*

    • Configuration RedHat 4:
  • cpe:/o:redhat:enterprise_linux:4::es:*:*:*:*:*

    • Configuration RedHat 5:
  • cpe:/o:redhat:enterprise_linux:4::ws:*:*:*:*:*

    • Configuration RedHat 6:
  • cpe:/o:redhat:enterprise_linux:5:*:*:*:*:*:*:*

    • Configuration RedHat 7:
  • cpe:/o:redhat:enterprise_linux:5::client:*:*:*:*:*

    • Configuration RedHat 8:
  • cpe:/o:redhat:enterprise_linux:5::server:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20071856
    V
    		CVE-2007-1856
    2015-11-16
    oval:org.mitre.oval:def:22029
    P
    		ELSA-2007:0345: vixie-cron security update (Moderate)
    2014-05-26
    oval:org.mitre.oval:def:11463
    V
    		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.
    2013-04-29
    oval:com.redhat.rhsa:def:20070345
    P
    		RHSA-2007:0345: vixie-cron security update (Moderate)
    2008-03-20
    BACK
    gentoo linux *
    paul_vixie vixie cron *