Out-of-bounds read in ldb - CVE-2019-3824

 

Out-of-bounds read in ldb - CVE-2019-3824

Published: February 27, 2019


Vulnerability identifier: #VU17876
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2019-3824
CWE-ID: CWE-125
Exploitation vector: Adjecent network
Exploit availability: No public exploit available
Vendor: Samba
Affected software:
ldb

Detailed vulnerability description

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.


How to mitigate CVE-2019-3824

Install updates from vendor's website.

Sources