Home/CVE/When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.
CVE

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.

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.

MEDIUM · CVSS 6.5 EPSS 0.06404
Schedule remediation
  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
Sigma rules0 YARA rules0

Weakness Classification

Affected Products & Versions

7
php>= 7.2.0 and < 7.2.27
php>= 7.3.0 and < 7.3.14
php>= 7.4.0 and < 7.4.2
opensuse leapall versions
debian linuxall versions

Public Exploits & PoCs

1

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@php.net
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD10 Feb 2020 · 08:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

Vendor Advisories

9
suse-csafSUSE-SU-2022:4067-1
rhsaRHSA-2020:3662Moderate
rhsaRHSA-2020:5275Moderate
suse-csafopenSUSE-SU-2020:0341-1
suse-csafSUSE-SU-2020:0622-1
🔗

References & Sources

13
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://seclists.org/bugtraq/2020/Feb/27Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2020/Feb/31Mailing ListThird Party Advisory
https://seclists.org/bugtraq/2021/Jan/3Mailing ListThird Party Advisory
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