CVE-2016-6293 Information

Description

The uloc_acceptLanguageFromHTTP function in common/uloc.cpp in International Components for Unicode (ICU) through 57.1 for C/C++ does not ensure that there is a ‘\0’ character at the end of a certain temporary array which allows remote attackers to cause a denial of service (out-of-bounds read) or possibly have unspecified other impact via a call with a long httpAcceptLanguage argument.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://git.php.net/?p=php-src.git;a=commit;h=aa82e99ed8003c01f1ef4f0940e56b85c5b032d4 http://openwall.com/lists/oss-security/2016/07/24/2 http://www.securityfocus.com/bid/92127 https://bugs.php.net/72533 https://security.gentoo.org/glsa/201701-58 https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8