CVE-2020-7060: 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…

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

None

Confidentiality

High

Integrity

None

Availability

High

Scope

Unchanged

Exploitation

Is it being used?

Exploit prediction (EPSS)8.9% · higher than 95% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

PH

PHP · PHP

7.2.0 before 7.2.27; 7.3.0 before 7.3.14; 7.4.0 before 7.4.2 · source: NVD

CD

Communications Diameter Signaling Router · Oracle

8.0 through 8.4 · source: NVD

DL

Debian Linux · Debian

8.0 · source: NVD

LE

Leap · Opensuse

15.1 · source: NVD

TE

Tenable.sc · Tenable

before 5.19.0 · source: NVD