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CVE-2017-6309

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the...

7.8 HighFix available

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.41%Unchanged since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.8

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
CVE-2017-6309
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness
CWE-125, CWE-787
Updated
2026-11-02
CVE List No score

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
CVE-2017-6309
Updated
2026-11-02
EUVDEUVD-2017-15370 No score

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
EUVD-2017-15370
Updated
2026-11-03
GitHub AdvisoriesGHSA-69j8-qm33-j976 7.8

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the...

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
GHSA-69j8-qm33-j976
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness
CWE-125
Updated
2026-11-02
OSV 7.8

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
CVE-2017-6309
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-6309 7.8

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
DEBIAN-CVE-2017-6309
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-6309 7.8

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker.

Record
UBUNTU-CVE-2017-6309
CVSS 3.0
7.8 HighCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVMGASA-2017-0083 No score

Updated tnef packages fix security vulnerability

An issue was discovered in tnef before 1.4.13. Two OOB Writes have been identified in src/mapi_attr.c:mapi_attr_read(). These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6307)

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. (CVE-2017-6308)

An issue was discovered in tnef before 1.4.13. Two type confusions have been identified in the parse_file() function. These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6309)

An issue was discovered in tnef before 1.4.13. Four type confusions have been identified in the file_add_mapi_attrs() function. These might lead to invalid read and write operations, controlled by an attacker. (CVE-2017-6310)

Record
MGASA-2017-0083
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
tnef
Debian:12
before 1.4.12-1.1
1.4.12-1.1
tnef
Debian:13
before 1.4.12-1.1
1.4.12-1.1
tnef
Debian:14
before 1.4.12-1.1
1.4.12-1.1
tnef
Debian:7
From an advisory covering 4 CVEs
before 1.4.9-1+deb7u1, plus listed versions
1.4.9-1
1.4.9-1+deb7u1
tnef
Debian:8
From an advisory covering 4 CVEs
before 1.4.9-1+deb8u1, plus listed versions
1.4.9-1
1.4.9-1+deb8u1
tnef
Mageia:5
From an advisory covering 4 CVEs
before 1.4.9-4.1.mga5
1.4.9-4.1.mga5
tnef
Ubuntu:14.04:LTS
before 1.4.9-1+deb8u2build0.14.04.1, plus listed versions
1.4.9-1
1.4.9-1+deb8u2build0.14.04.1
tnef
Ubuntu:16.04:LTS
before 1.4.9-1+deb8u2build0.16.04.1, plus listed versions
1.4.9-1
1.4.9-1+deb8u2build0.16.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-6309 is a high vulnerability (CVSS 7.8) in Tnef Project Tnef, published February 24, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. Fixed in tnef 1.4.12-1.1.

References

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