CVE-2020-7060

global buffer-overflow in mbfl_filt_conv_big5_wchar

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.

Scores

Faiblesses (CWE)

• CWE-125

Références européennes

• ENISA EUVD · EUVD-2020-28194
• GCVE · GCVE-0-2020-7060

Avis du CERT-FR

• CERTFR-2021-AVI-571 — Multiples vulnérabilités dans Tenable · cert.ssi.gouv.fr
• CERTFR-2020-AVI-054 — Multiples vulnérabilités dans PHP · cert.ssi.gouv.fr

Configurations affectées (CPE NVD)

• cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.2.0 < 7.2.27
• cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.3.0 < 7.3.14
• cpe:2.3:a:php:php:*:*:*:*:*:*:*:* ≥ 7.4.0 < 7.4.2
• cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* < 5.19.0
• cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* ≥ 8.0 ≤ 8.4
• cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
• cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

Produits affectés

Références

• 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

Sources