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CVE-2014-8147

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Date: May 25, 2015

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.

Language: C++

Severity Score

Related Resources (21)

http://bugs.icu-project.org/trac/changeset/37080
http://lists.apple.com/archives/security-announce/2015/Sep/msg00008.html
http://www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
http://www.debian.org/security/2015/dsa-3323
http://www.securityfocus.com/bid/74457
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html
https://support.apple.com/HT205267
https://support.apple.com/HT205213
https://nvd.nist.gov/vuln/detail/CVE-2014-8147
http://openwall.com/lists/oss-security/2015/05/05/6
https://access.redhat.com/security/cve/CVE-2014-8147
http://www.kb.cert.org/vuls/id/602540
http://seclists.org/fulldisclosure/2015/May/14
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-8147
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
http://lists.apple.com/archives/security-announce/2015/Sep/msg00005.html
https://security-tracker.debian.org/tracker/CVE-2014-8147
https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt
https://security.gentoo.org/glsa/201507-04
https://lists.apache.org/thread.html/9317fd092b257a0815434b116a8af8daea6e920b6673f4fd5583d5fe%40%3Ccommits.druid.apache.org%3E
https://www.mend.io/vulnerability-database/CVE-2014-8147

Severity Score

Weakness Type (CWE)

Numeric Errors

CWE-189

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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