SB2022022228 - Red Hat Enterprise Linux 7 update for openldap

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Main Vulnerability Database SB2022022228

SB2022022228 - Red Hat Enterprise Linux 7 update for openldap

Published: February 22, 2022

Security Bulletin ID SB2022022228
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 vulnerabilities.


1) Reachable Assertion (CVE-ID: CVE-2020-25710)

CWE-ID: CWE-617 - Reachable Assertion

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion when processing LDAP requests in slapd within the csnNormalize23() function in schema_init.c. A remote attacker can send a specially crafted packet to the server, trigger an assertion failure and crash the daemon.


2) Reachable Assertion (CVE-ID: CVE-2020-25709)

CWE-ID: CWE-617 - Reachable Assertion

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


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a reachable assertion in certificateListValidate() function in schema_init.c. A remote attacker can send specially crafted packet to the slapd daemon, trigger an assertion failure and crash the service.


Remediation

Install update from vendor's website.

References