Tnef
CVE-2017-6307
HIGH
Severity by source
AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
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.
AnalysisAI
An issue was discovered in tnef before 1.4.13. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Write vulnerability could allow attackers to write data beyond allocated buffer boundaries leading to code execution or crashes.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. 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. Affected products include: Tnef Project Tnef, Debian Debian Linux. Version information: before 1.4.13..
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).
An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. Rated critical severity (CVSS
In tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message
An issue was discovered in tnef before 1.4.13. Rated high severity (CVSS 7.8), this vulnerability is no authentication r
An issue was discovered in tnef before 1.4.13. Rated high severity (CVSS 7.8), this vulnerability is no authentication r
An issue was discovered in tnef before 1.4.13. Rated high severity (CVSS 7.8), this vulnerability is no authentication r
Same weakness CWE-787 – Out-of-bounds Write
View allSame technique Buffer Overflow
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External POC / Exploit Code
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