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- Snyk ID SNYK-DEBIAN10-OPENLDAP-304634
- published 28 Jul 2010
- disclosed 28 Jul 2010
How to fix?
openldap to version 2.4.23-1 or higher.
Note: Versions mentioned in the description apply only to the upstream
openldap package and not the
openldap package as distributed by
How to fix? for
Debian:10 relevant fixed versions and status.
The slap_modrdn2mods function in modrdn.c in OpenLDAP 2.4.22 does not check the return value of a call to the smr_normalize function, which allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a modrdn call with an RDN string containing invalid UTF-8 sequences, which triggers a free of an invalid, uninitialized pointer in the slap_mods_free function, as demonstrated using the Codenomicon LDAPv3 test suite.