CVE编号
CVE-2021-27212利用情况
暂无补丁情况
没有补丁披露时间
2021-02-14漏洞描述
In OpenLDAP through 2.4.57 and 2.5.x through 2.5.1alpha, an assertion failure in slapd can occur in the issuerAndThisUpdateCheck function via a crafted packet, resulting in a denial of service (daemon exit) via a short timestamp. This is related to schema_init.c and checkTime.解决建议
建议您更新当前系统或软件至最新版，完成漏洞的修复。
参考链接 |
|
|---|---|
| https://bugs.openldap.org/show_bug.cgi?id=9454 | |
| https://git.openldap.org/openldap/openldap/-/commit/3539fc33212b528c56b716584... | |
| https://git.openldap.org/openldap/openldap/-/commit/9badb73425a67768c09bcaed1... | |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db560... | |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61... | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00035.html | |
| https://security.netapp.com/advisory/ntap-20210319-0005/ | |
| https://www.debian.org/security/2021/dsa-4860 |
受影响软件情况
| # | 类型 | 厂商 | 产品 | 版本 | 影响面 | ||||
| 1 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 运行在以下环境 | |||||||||
| 应用 | openldap | openldap | * |
Up to (including) 2.4.57 |
|||||
| 运行在以下环境 | |||||||||
| 应用 | openldap | openldap | 2.5.0 | - | |||||
| 运行在以下环境 | |||||||||
| 应用 | openldap | openldap | 2.5.1 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | openldap | * |
Up to (excluding) 2.4.50-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | openldap | * |
Up to (excluding) 2.4.57-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | openldap | * |
Up to (excluding) 2.4.57-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | openldap | * |
Up to (excluding) 2.4.57-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | openldap | * |
Up to (excluding) 2.4.57-r1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | openldap | * |
Up to (excluding) 2.4.47+dfsg-3+deb10u6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | openldap | * |
Up to (excluding) 2.4.57+dfsg-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | openldap | * |
Up to (excluding) 2.4.44+dfsg-5+deb9u8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | openldap | * |
Up to (excluding) 2.4.46-lp152.14.18.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | openldap | * |
Up to (excluding) 2.4.41-18.83.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | openldap | * |
Up to (excluding) 2.4.42+dfsg-2ubuntu3.13 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | openldap | * |
Up to (excluding) 2.4.45+dfsg-1ubuntu1.10 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | openldap | * |
Up to (excluding) 2.4.49+dfsg-2ubuntu1.7 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | openldap | * |
Up to (excluding) 2.4.57+dfsg-2ubuntu1 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 无需权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 补丁情况 没有补丁
- 数据保密性 无影响
- 数据完整性 无影响
- 服务器危害 DoS
- 全网数量 N/A
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