CVE-2020-7060 Information

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Description

When using certain mbstring functions to convert multibyte encodings in PHP versions 7.2.x below 7.2.27 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar to read past the allocated buffer. This may lead to information disclosure or crash.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html https://bugs.php.net/bug.php?id=79037 https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html https://seclists.org/bugtraq/2020/Feb/27 https://seclists.org/bugtraq/2020/Feb/31 https://security.gentoo.org/glsa/202003-57 https://security.netapp.com/advisory/ntap-20200221-0002/ https://usn.ubuntu.com/4279-1/ https://www.debian.org/security/2020/dsa-4626 https://www.debian.org/security/2020/dsa-4628 https://www.oracle.com/security-alerts/cpujul2020.html

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

HIGH

Base Severity

9.1