Shadow-utils useradd insecure file permission
| shadow-utils-useradd-file-permission (26958) |  Medium Risk |
Description:
Shadow-utils could allow a local attacker to obtain sensitive information. The installation useradd.c utility creates the user's mail spool file with insecure permissions. A local attacker could exploit this vulnerability to read or modify the user's mailbox.
Platforms Affected:
- Avaya, Application Enablement Services 4.0
- Avaya, Communication Manager 2.0
- Avaya, Communication Manager 2.0.1
- Avaya, Communication Manager 2.1
- Avaya, Communication Manager 2.1.1
- Avaya, Communication Manager 2.2
- Avaya, Communication Manager 2.2.1
- Avaya, Communication Manager 2.2.2
- Avaya, Communication Manager 3.0
- Avaya, Communication Manager 3.0.1
- Avaya, Communication Manager 3.1
- Avaya, Communication Manager 3.1.1
- Avaya, Communication Manager 3.1.2
- Avaya, Communication Manager 3.1.3
- Avaya, Communication Manager 3.1.4
- Avaya, Communication Manager 4.0
- Avaya, Communication Manager 4.0.1
- Avaya, Communication Manager 4.0.3
- Avaya, Converged Communications Server 3.1.1
- Avaya, Message Networking 3.1
- Avaya, Message Storage Server 3.0
- Gentoo, Linux
- MandrakeSoft, Mandrake Linux LE2005
- MandrakeSoft, Mandrake Linux LE2005 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 4 ES
- Shadow-utils, Shadow-utils 4.0.7 and prior
- VMware, ESX Server 3.0.0
- VMware, ESX Server 3.0.1
- VMware, ESX Server 3.0.2
Remedy:
Upgrade to the latest version of Shadow-utils (4.0.8 or later), available from the Shadow-utils Web site. See References.
For VMware ESX 3.0.1:
Apply Patch Bundle ESX-1001692, available from the VMware Web site. See References.
For VMware ESX 3.0.0:
Apply Patch Bundle ESX-1001207, available from the VMware Web site. See References.
For VMware ESX 3.0.2:
Apply Patch Bundle ESX-1001726, available from the VMware Web site. See References.
For Gentoo Linux:
Refer to Gentoo Linux Security Announcement GLSA 2006-06-02 for patch, upgrade, or suggested workaround information. See References.
For Avaya (shadow-utils):
Refer to ASA-2007-249 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Obtain Information
References:
- 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 at http://archives.neohapsis.com/archives/fulldisclosure/2007-09/0356.html.
- Shaow-utils CVS Repository, Shaow-utils CVS Repository at http://cvs.pld.org.pl/shadow/src/useradd.c?r1=1.50&r2=1.51.
- 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 at http://lists.vmware.com/pipermail/security-announce/2007/000001.html.
- VMware, Inc. Web site, Download Patch ESX-1001207 for VMware ESX Server 3.0.0 at http://www.vmware.com/support/vi3/doc/esx-1001207-patch.html.
- VMware, Inc. Web site, Download Patch ESX-1001692 for VMware ESX Server 3.0.1 at http://www.vmware.com/support/vi3/doc/esx-1001692-patch.html.
- VMware, Inc. Web site, Download Patch ESX-1001726 for VMware ESX Server 3.0.2 at http://www.vmware.com/support/vi3/doc/esx-1001726-patch.html.
- ASA-2007-249: shadow-utils security and bug fix update (RHSA-2007-0276)
- ASA-2007-326: shadow-utils security and bug fix update (RHSA-2007-0431)
- BID-18111: Shadow-Utils 'useradd' Local Insecure Permissions Vulnerability
- CVE-2006-1174: useradd in shadow-utils before 4.0.3, and possibly other versions before 4.0.8, does not provide a required argument to the open function when creating a new user mailbox, which causes the mailbox to be created with unpredictable permissions and possibly allows attackers to read or modify the mailbox.
- GLSA-200606-02: shadow: Privilege escalation
- MDKSA-2006:090: Updated shadow-utils packages fix mailbox creation vulnerability
- RHSA-2007-0276: Low: shadow-utils security and bug fix update
- RHSA-2007-0431: Low: shadow-utils security and bug fix update
- SA20370: Shadow "useradd.c" Insecure Mailbox File Permissions
- SA25896: Avaya Products Shadow "useradd.c" Insecure Mailbox File Permissions
- SA26909: VMware ESX Server Multiple Security Updates
- SECTRACK ID: 1018221: shadow-utils `useradd` Unsafe Mailbox Folder Permissions May Let Local Users Read/Write Mail
- US-CERT VU#312692: Shadow Utils useradd utility sets incorrect file permissions
- VUPEN/ADV-2006-2006: Shadow-utils useradd Utility Insecure Mail Spool File Permission Vulnerability
- VUPEN/ADV-2007-3229: VMware Products Command Execution and Security Bypass Vulnerabilities
Reported:
May 28, 2006
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