Vulnerability CVE-2010-4176
Published: 2010-12-07   Modified: 2012-02-13

Description:
plymouth-pretrigger.sh in dracut and udev, when running on Fedora 13 and 14, sets weak permissions for the /dev/systty device file, which allows remote authenticated users to read terminal data from tty0 for local users.

Type:

CWE-264

 (Permissions, Privileges, and Access Controls)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4/10
2.9/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Kernel -> UDEV 
Fedoraproject -> Dracut 

 References:
https://bugzilla.redhat.com/show_bug.cgi?id=654935
https://bugzilla.redhat.com/show_bug.cgi?id=654489
http://www.vupen.com/english/advisories/2010/3110
http://www.vupen.com/english/advisories/2010/3062
http://www.securityfocus.com/bid/45046
http://secunia.com/advisories/42451
http://secunia.com/advisories/42342
http://lists.fedoraproject.org/pipermail/package-announce/2010-November/051418.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-December/051755.html
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