CVE-2014-8147

Severity

75%

Complexity

99%

Confidentiality

106%

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.

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.

CVSS 2.0 Base Score 7.5. CVSS Attack Vector: network. CVSS Attack Complexity: low. CVSS Vector: (AV:N/AC:L/Au:N/C:P/I:P/A:P).

Overview

First reported 9 years ago

2015-05-25 22:59:00

Last updated 5 years ago

2019-04-23 19:29:00

Affected Software

Apple Mac OS X

References

http://bugs.icu-project.org/trac/changeset/37080

Issue Tracking, Vendor Advisory

APPLE-SA-2015-09-21-1

Mailing List

APPLE-SA-2015-09-30-3

Mailing List

[oss-security] 20150505 [CVE-2014-8146/8147] - ICU heap and integer overflows / I-C-U-FAIL

Mailing List

20150505 [CVE-2014-8146/8147] - ICU heap and integer overflows / I-C-U-FAIL

Exploit, Mailing List, Third Party Advisory

DSA-3323

Third Party Advisory

VU#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

74457

Third Party Advisory, VDB Entry

[druid-commits] 20191115 [GitHub] [incubator-druid] ccaominh opened a new pull request #8878: Address security vulnerabilities

https://raw.githubusercontent.com/pedrib/PoC/master/generic/i-c-u-fail.txt

Exploit

GLSA-201507-04

Third Party Advisory

https://support.apple.com/HT205213

Third Party Advisory

https://support.apple.com/HT205267

Third Party Advisory

https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

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