Ytnef
CVE-2017-6802
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionCVE.org
An issue was discovered in ytnef before 1.9.2. There is a potential heap-based buffer over-read on incoming Compressed RTF Streams, related to DecompressRTF() in libytnef.
AnalysisAI
An issue was discovered in ytnef before 1.9.2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. An issue was discovered in ytnef before 1.9.2. There is a potential heap-based buffer over-read on incoming Compressed RTF Streams, related to DecompressRTF() in libytnef. Affected products include: Ytnef Project Ytnef, Debian Debian Linux. Version information: before 1.9.2..
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before
In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and potential
In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and
An issue was discovered in ytnef before 1.9.2. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitabl
In libytnef in ytnef through 1.9.2, there is a heap-based buffer over-read due to incorrect boundary checking in the SIZ
In ytnef 1.9.2, the TNEFFillMapi function in lib/ytnef.c allows remote attackers to cause a denial of service (memory co
In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based bu
In ytnef 1.9.2, the MAPIPrint function in lib/ytnef.c allows remote attackers to cause a denial of service (NULL pointer
In ytnef 1.9.2, the DecompressRTF function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-bas
In ytnef 1.9.2, the SwapDWord function in lib/ytnef.c allows remote attackers to cause a denial of service (heap-based b
An issue was discovered in ytnef before 1.9.1. Rated high severity (CVSS 7.8), this vulnerability is no authentication r
An issue was discovered in ytnef before 1.9.1. Rated high severity (CVSS 7.8), this vulnerability is no authentication r
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
View allShare
External POC / Exploit Code
Leaving vuln.today