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.
Affected products
- Debian / shadow4.0.7
- Debian / shadow4.0.0 – 4.0.0
- Debian / shadow4.0.1 – 4.0.1
- Debian / shadow4.0.2 – 4.0.2
- Debian / shadow4.0.4 – 4.0.4
- Debian / shadow4.0.4.1 – 4.0.4.1
- Debian / shadow4.0.5 – 4.0.5
- Debian / shadow4.0.6 – 4.0.6
References
- MAILING_LISThttp://lists.grok.org.uk/pipermail/full-disclosure/2007-September/065902.html
- VENDOR_ADVISORYhttp://secunia.com/advisories/25098
- VENDOR_ADVISORYhttp://secunia.com/advisories/25894
- MISChttp://www.redhat.com/support/errata/RHSA-2007-0431.html
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2007/3229
- VENDOR_ADVISORYhttp://secunia.com/advisories/25267
- MISChttp://www.redhat.com/support/errata/RHSA-2007-0276.html
- MISChttp://support.avaya.com/elmodocs2/security/ASA-2007-249.htm
- MISChttp://www.securityfocus.com/bid/18111
- MISChttp://www.securitytracker.com/id?1018221
- VENDOR_ADVISORYhttp://secunia.com/advisories/25629
- MISChttp://cvs.pld.org.pl/shadow/NEWS?rev=1.109
- MISChttps://exchange.xforce.ibmcloud.com/vulnerabilities/26958
- MISChttp://www.kb.cert.org/vuls/id/312692
- MISChttp://www.gentoo.org/security/en/glsa/glsa-200606-02.xml
- VENDOR_ADVISORYhttp://secunia.com/advisories/25896
- MISChttp://www.securityfocus.com/archive/1/468336/100/0/threaded
- VENDOR_ADVISORYhttp://www.mandriva.com/security/advisories?name=MDKSA-2006:090
- MISChttps://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10807
- VENDOR_ADVISORYhttp://secunia.com/advisories/26909
- VENDOR_ADVISORYhttp://secunia.com/advisories/27706
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2006/2006
- MISChttps://issues.rpath.com/browse/RPL-1357
- VENDOR_ADVISORYhttp://secunia.com/advisories/20506
- VENDOR_ADVISORYhttp://secunia.com/advisories/20370
- VENDOR_ADVISORYftp://patches.sgi.com/support/free/security/advisories/20070602-01-P.asc