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CVE-2016-6253 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://akat1.pl/?id=2	CVE	ExploitThird Party Advisory
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc	CVE	Vendor Advisory
http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html	CVE	ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/40141/	CVE	ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/40385/	CVE	ExploitThird Party AdvisoryVDB Entry
http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local	CVE	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92101	CVE	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036429	CVE	Third Party AdvisoryVDB Entry
http://akat1.pl/?id=2	[email protected]	ExploitThird Party Advisory
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.asc	[email protected]	Vendor Advisory
http://packetstormsecurity.com/files/138021/NetBSD-mail.local-8-Local-Root.html	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/40141/	[email protected]	ExploitThird Party AdvisoryVDB Entry
https://www.exploit-db.com/exploits/40385/	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://www.rapid7.com/db/modules/exploit/unix/local/netbsd_mail_local	[email protected]	ExploitThird Party AdvisoryVDB Entry
http://www.securityfocus.com/bid/92101	[email protected]	Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036429	[email protected]	Third Party AdvisoryVDB Entry

see all 16 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-59	Improper Link Resolution Before File Access ('Link Following')	[email protected]

Affected Products

Product	Versions
netbsd netbsd	6.0 6.0.1 6.0.2 6.0.3 6.0.4
CPE cpe:2.3:o:netbsd:netbsd:6.0:::::::* cpe:2.3:o:netbsd:netbsd:6.0.1:::::::* cpe:2.3:o:netbsd:netbsd:6.0.2:::::::* cpe:2.3:o:netbsd:netbsd:6.0.3:::::::* cpe:2.3:o:netbsd:netbsd:6.0.4:::::::* cpe:2.3:o:netbsd:netbsd:6.0.5:::::::* cpe:2.3:o:netbsd:netbsd:6.0.6:::::::* cpe:2.3:o:netbsd:netbsd:6.1:::::::* cpe:2.3:o:netbsd:netbsd:6.1.1:::::::* cpe:2.3:o:netbsd:netbsd:6.1.2:::::::* cpe:2.3:o:netbsd:netbsd:6.1.3:::::::* cpe:2.3:o:netbsd:netbsd:6.1.4:::::::* cpe:2.3:o:netbsd:netbsd:6.1.5:::::::* cpe:2.3:o:netbsd:netbsd:7.0:::::::* Remediation No remediation found in references.

Product

Versions

netbsd netbsd

6.0

6.0.1

6.0.2

6.0.3

6.0.4

CPE

cpe:2.3:o:netbsd:netbsd:6.0:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.4:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.5:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.0.6:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1.1:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1.2:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1.3:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1.4:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:6.1.5:*:*:*:*:*:*:*
cpe:2.3:o:netbsd:netbsd:7.0:*:*:*:*:*:*:*

Remediation

No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
May 13, 2026	CVE Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Jan 20, 2017	Initial Analysis	[email protected]