NVD Vulnerability Detail
Search Exploit, PoC
CVE-2012-0833
Summary

The acllas__handle_group_entry function in servers/plugins/acl/acllas.c in 389 Directory Server before 1.2.10 does not properly handled access control instructions (ACIs) that use certificate groups, which allows remote authenticated LDAP users with a certificate group to cause a denial of service (infinite loop and CPU consumption) by binding to the server.

Publication Date July 4, 2012, 1:40 a.m.
Registration Date Jan. 28, 2021, 2:54 p.m.
Last Update Nov. 21, 2024, 10:35 a.m.
CVSS2.0 : LOW
Score 2.3
Vector AV:A/AC:M/Au:S/C:N/I:N/A:P
攻撃元区分(AV) 隣接
攻撃条件の複雑さ(AC) 中
攻撃前の認証要否(Au) 単一
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A) 低
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc4:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.3:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:*:rc1:*:*:*:*:*:* 1.2.10
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8:rc2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8:rc1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.9.9:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8.3:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8.2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.7.5:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.2:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8:alpha2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc6:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8:alpha3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc3:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a4:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.5:rc2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8:alpha1:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:a2:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.6:rc7:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.8.1:*:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.10:alpha8:*:*:*:*:*:*
cpe:2.3:a:fedoraproject:389_directory_server:1.2.7:alpha3:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List
JVN Vulnerability Information
389 Directory Server の servers/plugins/acl/acllas.c におけるサービス運用妨害 (DoS) の脆弱性
Title 389 Directory Server の servers/plugins/acl/acllas.c におけるサービス運用妨害 (DoS) の脆弱性
Summary

389 Directory Server の servers/plugins/acl/acllas.c 内の acllas__handle_group_entry 関数は、証明書グループを使用するアクセス制御命令 (ACI) を適切に処理しないため、サービス運用妨害 (無限ループと CPU 資源の消費) 状態となる脆弱性が存在します。

Possible impacts 証明書グループでリモート認証された LDAP ユーザにより、サーバに接続されることで、サービス運用妨害 (無限ループと CPU 資源の消費) 状態にされる可能性があります。
Solution

ベンダより正式な対策が公開されています。ベンダ情報を参照して適切な対策を実施してください。
Publication Date Jan. 6, 2012, midnight
Registration Date July 4, 2012, 3:26 p.m.
Last Update July 4, 2012, 3:26 p.m.
Affected System
Fedora Project
389 Directory Server 1.2.10 未満
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
Change Log
No Changed Details Date of change
0 [2012年07月04日]
  掲載		 Feb. 17, 2018, 10:37 a.m.