Home/CVE/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
CVE

CVE-2016-6253

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

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.

HIGH · CVSS 7.8 EPSS 0.07271
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  • EPSS percentile: top 8% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-59Improper Link Resolution Before File Access ('Link Following')
▤

Affected Products & Versions

1
netbsdall versions
⚠

Public Exploits & PoCs

7
localNetBSD - 'mail.local(8)' Local Privilege Escalation (Metasploit)verified
localNetBSD - 'mail.local(8)' Local Privilege Escalationverified
pocakat1.pl · ?id=2akat1.pl
pocpacketstormsecurity.com · NetBSD-mail.local-8-Local-Root.htmlpacketstormsecurity.com
pocwww.rapid7.com · netbsd_mail_localwww.rapid7.com
pocwww.exploit-db.com · 40141www.exploit-db.com
pocwww.exploit-db.com · 40385www.exploit-db.com
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.0 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD20 Jan 2017 · 03:59 PM
CVSS VectorCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2016-006.txt.ascVendor Advisory
http://www.securityfocus.com/bid/92101Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1036429Third Party AdvisoryVDB Entry
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