Man-in-the-Middle (MitM) Affecting ipa-server-dns package, versions <0:4.2.0-15.el7_2.6.1


Severity

Recommended
critical

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.26% (66th percentile)

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  • Snyk IDSNYK-RHEL7-IPASERVERDNS-5100831
  • published26 Jul 2021
  • disclosed12 Apr 2016

Introduced: 12 Apr 2016

CVE-2016-2112  (opens in a new tab)
CWE-300  (opens in a new tab)

How to fix?

Upgrade RHEL:7 ipa-server-dns to version 0:4.2.0-15.el7_2.6.1 or higher.
This issue was patched in RHSA-2016:0612.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ipa-server-dns package and not the ipa-server-dns package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

The bundled LDAP client library in Samba 3.x and 4.x before 4.2.11, 4.3.x before 4.3.8, and 4.4.x before 4.4.2 does not recognize the "client ldap sasl wrapping" setting, which allows man-in-the-middle attackers to perform LDAP protocol-downgrade attacks by modifying the client-server data stream.

References

CVSS Scores

version 3.1