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Red Hat: CVE-2019-19906: CVE-2019-19906 cyrus-sasl: denial of service in _sasl_add_string function (Multiple Advisories)

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Red Hat: CVE-2019-19906: CVE-2019-19906 cyrus-sasl: denial of service in _sasl_add_string function (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
12/19/2019
Created
11/06/2020
Added
11/05/2020
Modified
12/15/2023

Description

cyrus-sasl (aka Cyrus SASL) 2.1.27 has an out-of-bounds write leading to unauthenticated remote denial-of-service in OpenLDAP via a malformed LDAP packet. The OpenLDAP crash is ultimately caused by an off-by-one error in _sasl_add_string in common.c in cyrus-sasl.

Solution(s)

  • redhat-upgrade-cyrus-sasl
  • redhat-upgrade-cyrus-sasl-debuginfo
  • redhat-upgrade-cyrus-sasl-debugsource
  • redhat-upgrade-cyrus-sasl-devel
  • redhat-upgrade-cyrus-sasl-devel-debuginfo
  • redhat-upgrade-cyrus-sasl-gs2
  • redhat-upgrade-cyrus-sasl-gs2-debuginfo
  • redhat-upgrade-cyrus-sasl-gssapi
  • redhat-upgrade-cyrus-sasl-gssapi-debuginfo
  • redhat-upgrade-cyrus-sasl-ldap
  • redhat-upgrade-cyrus-sasl-ldap-debuginfo
  • redhat-upgrade-cyrus-sasl-lib
  • redhat-upgrade-cyrus-sasl-lib-debuginfo
  • redhat-upgrade-cyrus-sasl-md5
  • redhat-upgrade-cyrus-sasl-md5-debuginfo
  • redhat-upgrade-cyrus-sasl-ntlm
  • redhat-upgrade-cyrus-sasl-ntlm-debuginfo
  • redhat-upgrade-cyrus-sasl-plain
  • redhat-upgrade-cyrus-sasl-plain-debuginfo
  • redhat-upgrade-cyrus-sasl-scram
  • redhat-upgrade-cyrus-sasl-scram-debuginfo
  • redhat-upgrade-cyrus-sasl-sql
  • redhat-upgrade-cyrus-sasl-sql-debuginfo

References

  • DSA-4591
  • CVE-2019-19906
  • RHSA-2020:4497

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