National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2014-8147 Detail

Current Description

The resolveImplicitLevels function in common/ubidi.c in the Unicode Bidirectional Algorithm implementation in ICU4C in International Components for Unicode (ICU) before 55.1 uses an integer data type that is inconsistent with a header file, which allows remote attackers to cause a denial of service (incorrect malloc followed by invalid free) or possibly execute arbitrary code via crafted text.

Source:  MITRE
Description Last Modified:  05/25/2015
View Analysis Description

Impact

CVSS v2.0 Severity and Metrics:

Base Score: 7.5 HIGH
Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P) (V2 legend)
Impact Subscore: 6.4
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): Partial
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://bugs.icu-project.org/trac/changeset/37080 Issue Tracking Vendor Advisory
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html Mailing List
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html Mailing List
http://openwall.com/lists/oss-security/2015/05/05/6 Mailing List
http://seclists.org/fulldisclosure/2015/May/14 Exploit Mailing List Third Party Advisory
http://www.debian.org/security/2015/dsa-3323 Third Party Advisory
http://www.kb.cert.org/vuls/id/602540 Third Party Advisory US Government Resource
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html Patch
http://www.securityfocus.com/bid/74457 Third Party Advisory VDB Entry
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt Exploit
https://security.gentoo.org/glsa/201507-04 Third Party Advisory
https://support.apple.com/HT205213 Third Party Advisory
https://support.apple.com/HT205267 Third Party Advisory

Technical Details

Vulnerability Type (View All)

Change History

11 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2014-8147
NVD Published Date:
05/25/2015
NVD Last Modified:
01/18/2018