useradd in shadow-utils before 4.0.3, and possibly other versions before...

Vulnerability Description

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.

References

• http://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
• http://secunia.com/advisories/25098
• http://secunia.com/advisories/25894
• http://www.redhat.com/support/errata/RHSA-2007-0431.html
• http://www.vupen.com/english/advisories/2007/3229
• http://secunia.com/advisories/25267
• http://www.redhat.com/support/errata/RHSA-2007-0276.html
• http://support.avaya.com/elmodocs2/security/ASA-2007-249.htm
• http://www.securityfocus.com/bid/18111
• http://www.securitytracker.com/id?1018221
• http://secunia.com/advisories/25629
• http://cvs.pld.org.pl/shadow/NEWS?rev=1.109
• https://exchange.xforce.ibmcloud.com/vulnerabilities/26958
• http://www.kb.cert.org/vuls/id/312692
• http://www.gentoo.org/security/en/glsa/glsa-200606-02.xml
• http://secunia.com/advisories/25896
• http://www.securityfocus.com/archive/1/468336/100/0/threaded
• http://www.mandriva.com/security/advisories?name=MDKSA-2006:090
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10807
• http://secunia.com/advisories/26909
• http://secunia.com/advisories/27706
• http://www.vupen.com/english/advisories/2006/2006
• https://issues.rpath.com/browse/RPL-1357
• http://secunia.com/advisories/20506
• http://secunia.com/advisories/20370
• ftp://patches.sgi.com/support/free/security/advisories/20070602-01-P.asc