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    CVE-2017-9146

    The TNEFFillMapi function in lib/ytnef.c in libytnef in ytnef through 1.9.2 does not ensure a nonzero count value before a certain memory allocation, which allows remote attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted tnef file.

    Published:May 22, 2017
    Last Modified:Apr 20, 2025
    EPS:May 22, 2017
    EPSS Score:0.00608
    CVSS Score:8.8

    Affected Products

    Vendor
    Ytnef Project
    Product
    Ytnef

    Exploits

    https://github.com/Yeraze/ytnef/issues/47https://github.com/Yeraze/ytnef/issues/47

    Related CVEs

    CVE-2021-3404 (CVSS 7.8) — In ytnef 1.9.3, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial-of-service (and…
    CVE-2021-3403 (CVSS 7.8) — In ytnef 1.9.3, the TNEFSubjectHandler function in lib/ytnef.c allows remote attackers to cause a denial-of-se…
    CVE-2017-12144 (CVSS 5.5) — In ytnef 1.9.2, an allocation failure was found in the function TNEFFillMapi in ytnef.c, which allows attacker…
    CVE-2017-12141 (CVSS 5.5) — In ytnef 1.9.2, a heap-based buffer overflow vulnerability was found in the function TNEFFillMapi in ytnef.c, …
    CVE-2017-12142 (CVSS 5.5) — In ytnef 1.9.2, an invalid memory read vulnerability was found in the function SwapDWord in ytnef.c, which all…
    CVE-2017-9473 (CVSS 5.5) — In ytnef 1.9.2, the TNEFFillMapi function in lib/ytnef.c allows remote attackers to cause a denial of service …
    CVE-2017-9474 (CVSS 5.5) — In ytnef 1.9.2, the DecompressRTF function in lib/ytnef.c allows remote attackers to cause a denial of service…
    CVE-2017-9470 (CVSS 5.5) — In ytnef 1.9.2, the MAPIPrint function in lib/ytnef.c allows remote attackers to cause a denial of service (NU…
    CVE-2017-9471 (CVSS 5.5) — In ytnef 1.9.2, the SwapWord function in lib/ytnef.c allows remote attackers to cause a denial of service (hea…
    CVE-2017-9472 (CVSS 5.5) — In ytnef 1.9.2, the SwapDWord function in lib/ytnef.c allows remote attackers to cause a denial of service (he…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High