Description
The g_file_copy function in glib 2.0 sets the permissions of a target file to the permissions of a symbolic link (777), which allows user-assisted local users to modify files of other users, as demonstrated by using Nautilus to modify the permissions of the user home directory.
CVSS breakdown
CVSS 3.1
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected products
- GNOME / glib2.0 – 2.0
- openSUSE / opensuse11.0 – 11.0
- openSUSE / opensuse11.1 – 11.1
- SUSE / SUSE Linux Enterprise Server11 – 11
References
- MISChttps://bugs.launchpad.net/ubuntu/+source/glib2.0/+bug/418135
- VENDOR_ADVISORYhttp://secunia.com/advisories/39656
- MAILING_LISThttp://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
- MISChttps://bugzilla.gnome.org/show_bug.cgi?id=593406
- MAILING_LISThttp://www.openwall.com/lists/oss-security/2009/09/08/8
- VENDOR_ADVISORYhttp://www.vupen.com/english/advisories/2010/1001