Published: 10/12/2017 Updated: 23/04/2019

CVSS v2 Base Score: 7.5 | Impact Score: 6.4 | Exploitability Score: 10

CVSS v3 Base Score: 9.8 | Impact Score: 5.9 | Exploitability Score: 3.9

VMScore: 668

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

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The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ up to and including 60.1 mishandles ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows remote malicious users to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted string, as demonstrated by ZNC.

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icu-project international components for unicode

The ucnv_UTF8FromUTF8 function in ucnv_u8cpp in International Components for Unicode (ICU) for C/C++ through 601 mishandles ucnv_convertEx calls for UTF-8 to UTF-8 conversion, which allows remote attackers to cause a denial of service (stack-based buffer overflow and application crash) or possibly have unspecified other impact via a crafted strin ...

CWE-119 https://ssl.icu-project.org/trac/ticket/13510 https://ssl.icu-project.org/trac/ticket/13490 https://ssl.icu-project.org/trac/changeset/40715 https://ssl.icu-project.org/trac/changeset/40714 https://ssl.icu-project.org/trac/attachment/ticket/13490/poc.cpp https://github.com/znc/znc/issues/1459 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html https://nvd.nist.gov https://access.redhat.com/security/cve/cve-2017-17484

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CVE-2017-17484

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