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CVE-2014-8147

7.5 · HIGH

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 ty…

Published May 25, 2015appleCWE-189EPSS 23.61%

Overview

CVE-2014-8147 is a high-severity vulnerability affecting apple mac_os_x. It was published on May 25, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories and patches from apple. Update mac_os_x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
applemac_os_x0Affected
applewatchos0Affected
icu-projectinternational_components_for_unicode>= 0, < 55.1Affected

References

Refbugs.icu-project.org/trac/changeset/37080Reflists.apple.com/archives/security-announce/2015/Sep/msg00005.htmlReflists.apple.com/archives/security-announce/2015/Sep/msg00008.htmlRefopenwall.com/lists/oss-security/2015/05/05/6Refseclists.org/fulldisclosure/2015/May/14Refwww.debian.org/security/2015/dsa-3323Refwww.kb.cert.org/vuls/id/602540Refwww.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.htmlRefwww.oracle.com/technetwork/topics/security/cpuoct2015-2367953.htmlRefwww.securityfocus.com/bid/74457

How CyberStrike helps

Frequently asked questions

What is CVE-2014-8147?

CVE-2014-8147 is a high-severity vulnerability affecting apple mac_os_x. It was published on May 25, 2015 and has a CVSS 2.0 base score of 7.5 (HIGH).

How severe is CVE-2014-8147?

This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2014-8147?

Check the references section for vendor advisories and patches from apple. Update mac_os_x to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2014-8147?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2014-8147 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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