HIGH
CVE-2017-6308
CWE-190Published: February 24, 2017· Updated: Jun 17, 2026
7.8
CVSS v3.1
Official Description
An issue was discovered in tnef before 1.4.13. Several Integer Overflows, which can lead to Heap Overflows, have been identified in the functions that wrap memory allocation.
Technical Analysis
CVE-2017-6308 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-3798Third Party Advisory
→
http://www.securityfocus.com/bid/96427Third Party Advisory · VDB Entry
→
https://github.com/verdammelt/tnef/blob/master/ChangeLogPatch · Release Notes · Third Party Advisory
→
https://github.com/verdammelt/tnef/commit/c5044689e50039635e7700fe2472fd632ac77176Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201708-02Third Party Advisory
→
https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/Patch · Third Party Advisory
→
http://www.debian.org/security/2017/dsa-3798Third Party Advisory
→
http://www.securityfocus.com/bid/96427Third Party Advisory · VDB Entry
→
https://github.com/verdammelt/tnef/blob/master/ChangeLogPatch · Release Notes · Third Party Advisory
→
https://github.com/verdammelt/tnef/commit/c5044689e50039635e7700fe2472fd632ac77176Issue Tracking · Patch · Third Party Advisory
→
https://security.gentoo.org/glsa/201708-02Third Party Advisory
→
https://www.x41-dsec.de/lab/advisories/x41-2017-004-tnef/Patch · Third Party Advisory
Quick Facts
CVE IDCVE-2017-6308
CVSS Score7.8 / 10
SeverityHIGH
WeaknessCWE-190
CISA KEVNo
Affected2 vendor(s)
PublishedFeb 24, 2017
Related CVEs (CWE-190)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-6308 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.COM. CVE data is provided under the NVD usage policy.