CVE-2020-7060
global buffer-overflow in mbfl_filt_conv_big5_wchar
MEDIUM 6.5
At a glance
- Source
- NVD
- EPSS
- EPSS 8.89 % · percentile 95 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- php
- NVD status
- Modified
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.
Weaknesses (CWE)
- CWE-125 — Out-of-bounds Read
References
- https://seclists.org/bugtraq/2020/Feb/27
- https://www.debian.org/security/2020/dsa-4626
- https://usn.ubuntu.com/4279-1/
- https://www.debian.org/security/2020/dsa-4628
- https://seclists.org/bugtraq/2020/Feb/31
- https://lists.debian.org/debian-lts-announce/2020/02/msg00030.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
- https://security.gentoo.org/glsa/202003-57
- https://www.oracle.com/security-alerts/cpujul2020.html
- https://security.netapp.com/advisory/ntap-20200221-0002/
- https://bugs.php.net/bug.php?id=79037
- https://seclists.org/bugtraq/2021/Jan/3
- https://www.oracle.com/security-alerts/cpuApr2021.html
- https://www.tenable.com/security/tns-2021-14
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L | php |
| CVSS 3.1 | MEDIUM 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L | NVD · security@php.net (Secondary) |
| CVSS 3.1 | CRITICAL 9.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | MEDIUM 6.4 | AV:N/AC:L/Au:N/C:P/I:N/A:P | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2020-28194
- GCVE · GCVE-0-2020-7060
CERT-FR advisories
- CERTFR-2021-AVI-571 — Multiples vulnérabilités dans Tenable · cert.ssi.gouv.fr
- CERTFR-2020-AVI-054 — Multiples vulnérabilités dans PHP · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:php:php:*:*:*:*:*:*:*:*≥ 7.2.0 < 7.2.27cpe:2.3:a:php:php:*:*:*:*:*:*:*:*≥ 7.3.0 < 7.3.14cpe:2.3:a:php:php:*:*:*:*:*:*:*:*≥ 7.4.0 < 7.4.2cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:*< 5.19.0cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:*≥ 8.0 ≤ 8.4cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| PHP Group · PHP | affected 7.2.x < 7.2.27 ; affected 7.3.x < 7.3.14 ; affected 7.4.x < 7.4.2 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |