Vulnerability Report

CVE-2017-17484

Title: Icu-Project International Components For Unicode Memory Corruption

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2017-17484.

CWE Category CWE-119
Published Date Dec 10, 2017
Modified Date May 13, 2026
Exploit Status Not Found
Score 9.8 CVSS v3.0
Exploit Probability (EPSS)
4.47%

Vulnerability Summary

CVE-2017-17484: The ucnv_UTF8FromUTF8 function in ucnv_u8.cpp in International Components for Unicode (ICU) for C/C++ through 60.1 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 string, as demonstrated by ZNC.

Impacted Vendors

I
icu-project 1
U
unicode 1

Reference Links

https://github.com/znc/znc/issues/1459 https://ssl.icu-project.org/trac/attachment/ticket/13490/poc.cpp https://ssl.icu-project.org/trac/changeset/40714 https://ssl.icu-project.org/trac/changeset/40715 https://ssl.icu-project.org/trac/ticket/13490 https://ssl.icu-project.org/trac/ticket/13510 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html https://github.com/znc/znc/issues/1459 https://ssl.icu-project.org/trac/attachment/ticket/13490/poc.cpp https://ssl.icu-project.org/trac/changeset/40714 https://ssl.icu-project.org/trac/changeset/40715 https://ssl.icu-project.org/trac/ticket/13490 https://ssl.icu-project.org/trac/ticket/13510 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
CVSS v3.0
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2017-17484 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.