Out-of-bounds Read

Affecting openldap package, versions <2.4.44+dfsg-5+deb9u7

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Overview

Affected versions of this package are vulnerable to Out-of-bounds Read. A flaw was discovered in OpenLDAP before 2.4.57 leading to a slapd crash in the Values Return Filter control handling, resulting in denial of service (double free and out-of-bounds read).

Remediation

Upgrade openldap to version or higher.

References

CVSS Score

7.5
high severity
  • Attack Vector
    Network
  • Attack Complexity
    Low
  • Privileges Required
    None
  • User Interaction
    None
  • Scope
    Unchanged
  • Confidentiality
    None
  • Integrity
    None
  • Availability
    High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVE
CVE-2020-36223
CWE
CWE-125 CWE-415
Snyk ID
SNYK-DEBIAN9-OPENLDAP-1064731
Disclosed
26 Jan, 2021
Published
26 Jan, 2021