Vulnerability CVE-2016-6253


Published: 2017-01-20

Description:
mail.local in NetBSD versions 6.0 through 6.0.6, 6.1 through 6.1.5, and 7.0 allows local users to change ownership of or append data to arbitrary files on the target system via a symlink attack on the user mailbox.

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

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Netbsd -> Netbsd 

 References:
http://akat1.pl/?id=2
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc
http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html
http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local
http://www.securityfocus.com/bid/92101
http://www.securitytracker.com/id/1036429
https://www.exploit-db.com/exploits/40141/
https://www.exploit-db.com/exploits/40385/

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