SB2020070110 - Memory corruption in MariaDB Connector/C

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Main Vulnerability Database SB2020070110

SB2020070110 - Memory corruption in MariaDB Connector/C

Published: July 1, 2020

Security Bulletin ID SB2020070110
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-13249)

CWE-ID: CWE-119 - Memory corruption

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of the content of an OK packet received from a server within the libmariadb/mariadb_lib.c file in MariaDB Connector/C.  A remote attacker can trick the victim to connect to a malicious MariaDB server and trigger memory corruption.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.

References