HIGH
CVE-2017-6306
CWE-22Published: February 24, 2017· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
An issue was discovered in ytnef before 1.9.1. This is related to a patch described as "9 of 9. Directory Traversal using the filename; SanitizeFilename function in settings.c."
Technical Analysis
CVE-2017-6306 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.None
User InteractionRequired
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
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Official Patches & Advisories
All References (12)
→
http://www.debian.org/security/2017/dsa-3846Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2017/02/15/4Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/96423Third Party Advisory · VDB Entry
→
https://github.com/Yeraze/ytnef/pull/27Issue Tracking · Patch · Third Party Advisory
→
https://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef/Patch · Third Party Advisory
→
http://www.debian.org/security/2017/dsa-3846Third Party Advisory
→
http://www.openwall.com/lists/oss-security/2017/02/15/4Mailing List · Patch · Third Party Advisory
→
http://www.securityfocus.com/bid/96423Third Party Advisory · VDB Entry
→
https://github.com/Yeraze/ytnef/pull/27Issue Tracking · Patch · Third Party Advisory
→
https://www.x41-dsec.de/lab/advisories/x41-2017-002-ytnef/Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2017-6306
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-22
CISA KEVNo
Affected2 vendor(s)
PublishedFeb 24, 2017
Related CVEs (CWE-22)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-6306 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.