SB2019022703 - Denial of service in Samba ldb

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Main Vulnerability Database SB2019022703

SB2019022703 - Denial of service in Samba ldb

Published: February 27, 2019

Security Bulletin ID SB2019022703
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Out-of-bounds read (CVE-ID: CVE-2019-3824)

CWE-ID: CWE-125 - Out-of-bounds read

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


The vulnerability allows a remote attacker to gain perform denial of service attack or gain access to sensitive information.

The vulnerability exists due to a boundary condition within the ldb_wildcard_compare() function in ldb_match.c. A remote attacker can send a specially crafted LDAP request to the affected application, trigger out-of-bounds read error and perform denial of service attack or read portions of memory on the system.


Remediation

Install update from vendor's website.

References