CVE-2017-14952

Description

Double free in i18n/zonemeta.cpp in International Components for Unicode (ICU) for C/C++ through 59.1 allows remote attackers to execute arbitrary code via a crafted string, aka a "redundant UVector entry clean up function call" issue.

CVSS Metrics

• v3.0•CRITICAL•Score: 9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
• v2.0•HIGH•Score: 7.5AV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS Trends

Current EPSS score: 2.94%• Percentile: 87%

Techniques & Countermeasures

• CWE-415•Double Free

  The product calls free() twice on the same memory address.

Affected Systems

• icu-project•international_components_for_unicode

  ≤ 59.1

References (3)

• http://www.sourcebrella.com/blog/double-free-vulnerability-international-components-unicode-icu/
• http://bugs.icu-project.org/trac/changeset/40324/trunk/icu4c/source/i18n/zonemeta.cpp
• https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html