Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
None
Attack Vector
Network
0

CVE-2020-7060

Disclosure Date: January 21, 2020 •
CVE-2020-7060 CVSS v3 Base Score: 9.1
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
9.1 Critical
Impact Score:
5.2
Exploitability Score:
3.9
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
PHP 7.2.27
PHP 7.3.14
PHP 7.4.2
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • debian,
  • opensuse,
  • oracle,
  • php,
  • tenable

Products

  • communications diameter signaling router,
  • debian linux 8.0,
  • leap 15.1,
  • php,
  • tenable.sc
Technical Analysis