SB2020042885 - Fedora 32 update for libldb, samba 

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Main Vulnerability Database SB2020042885

SB2020042885 - Fedora 32 update for libldb, samba

Published: April 28, 2020 Updated: April 25, 2025

Security Bulletin ID SB2020042885
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2020-10700)

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

The vulnerability exists due to a use-after-free error when Paged results control is combined with ASQ control while performing search operations. A remote authenticated user can send a specially crafted LDAP search query, trigger a use-after-free error and perform a denial of service attack.


2) Stack-based buffer overflow (CVE-ID: CVE-2020-10704)

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

The vulnerability exists due to a boundary error when processing LDAP queries. A remote unauthenticated attacker can send large CLDAP packets to the affected system, trigger stack overflow and crash the service.


Remediation

Install update from vendor's website.

References