PT-2021-7495 · Mariadb+10 · Mariadb Server+10

Yaoguang · CVE-2022-27383 · Published 2021-08-09 · Updated 2025-06-10

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions MariaDB Server versions 10.6 and below

Description The issue is related to an use-after-free in the my strcasecmp 8bit component of MariaDB Server, which can be exploited through specially crafted SQL statements, potentially allowing a remote attacker to cause a denial of service.

Recommendations For MariaDB Server versions 10.6 and below, consider restricting the use of the my strcasecmp 8bit component until a patch is available. As a temporary workaround, avoid using specially crafted SQL statements that could trigger the use-after-free condition. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALSA-2022:5826

ALSA-2022:5948

ALSA-2022:6443

ALT-PU-2022-2360

ALT-PU-2022-2446

ALT-PU-2023-1583

ALT-PU-2023-6462

AZL-9694

BDU:2022-06904

BIT-MARIADB-2022-27383

BIT-MARIADB-MIN-2022-27383

BIT-MYSQL-CLIENT-2022-27383

CESA-2022_5826

CESA-2022_6443

CVE-2022-27383

DLA-3114-1

DLA-3114-2

MGASA-2022-0215

OESA-2022-1681

OPENSUSE-SU-2022_2003-1

OPENSUSE-SU-2022_2107-1

OPENSUSE-SU-2022_2561-1

RHSA-2022:5759

RHSA-2022:5826

RHSA-2022:5948

RHSA-2022:6306

RHSA-2022:6443

RHSA-2022_5826

RHSA-2022_5948

RHSA-2022_6443

RHSA-2023:6821

RLSA-2022:5826

RLSA-2022:5948

RLSA-2022:6443

ROSA-SA-2023-2253

SUSE-RU-2023:3956-1

SUSE-RU-2023:4991-1

SUSE-SU-2022:2003-1

SUSE-SU-2022:2107-1

SUSE-SU-2022:2160-1

SUSE-SU-2022:2189-1

SUSE-SU-2022:2561-1

USN-5739-1

USN-5739-2

Affected Products

Alt Linux

Almalinux

Astra Linux

Centos

Linuxmint

Mariadb Server

Red Hat

Red Os

Rocky Linux

Suse

Ubuntu

References · 691

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/27xxx/CVE-2022-27383.json · Exploit
• 🔥 https://github.com/drago-96/CVE-2022-0778 · Exploit
• 🔥 https://github.com/yywing/cve-2022-0778 · Exploit
• 🔥 https://github.com/jkakavas/CVE-2022-0778-POC · Exploit
• 🔥 https://jira.mariadb.org/browse/MDEV-26323 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2022-27377 · Security Note
• https://ubuntu.com/security/CVE-2018-25032 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-27386 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-27451 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-27381 · Security Note
• https://osv.dev/vulnerability/DLA-3114-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-27457 · Security Note
• https://ubuntu.com/security/CVE-2022-27455 · Vendor Advisory
• https://errata.almalinux.org/8/ALSA-2022-6443.html · Vendor Advisory
• https://osv.dev/vulnerability/ALSA-2022:5826 · Vendor Advisory