A heap-buffer-overflow flaw was found in 389 Directory Server (389-ds-base). When normalizing a Distinguished Name (DN) that contains a legacy-quoted value encoding a multivalued nested Relative Distinguished Name (RDN), the server can write past the end of a heap allocation while sorting RDN attribute-value pairs. An unauthenticated remote attacker can trigger this condition by sending an LDAP operation whose DN reaches the DN normalization routine, such as a search with a crafted base DN. This can corrupt heap memory and may cause denial of service.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
11.0CPE matchmatch criteria | cpe:2.3:a:redhat:directory_server:11.0:*:*:*:*:*:*:* | ||
12.0CPE matchmatch criteria | cpe:2.3:a:redhat:directory_server:12.0:*:*:*:*:*:*:* | ||
13.0CPE matchmatch criteria | cpe:2.3:a:redhat:directory_server:13.0:*:*:*:*:*:*:* | ||
Range not provided by sourceCPE matchmatch criteria | cpe:2.3:o:redhat:389_directory_server:-:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
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