CVE编号
CVE-2020-36226利用情况
暂无补丁情况
官方补丁披露时间
2021-01-26漏洞描述
OpenLDAP是美国OpenLDAP（Openldap）基金会的一个轻型目录访问协议（LDAP）的开源实现。 OpenLDAP 2.4.57版本之前存在安全漏洞。该漏洞源于mesl-＞ bv_len的错误计算以及saslAuthzTo处理时的崩溃。攻击者可以利用该漏洞导致拒绝服务。解决建议
目前厂商已发布升级补丁以修复漏洞，补丁获取链接：https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57
参考链接 |
|
|---|---|
| http://seclists.org/fulldisclosure/2021/May/64 | |
| http://seclists.org/fulldisclosure/2021/May/65 | |
| http://seclists.org/fulldisclosure/2021/May/70 | |
| https://bugs.openldap.org/show_bug.cgi?id=9413 | |
| https://git.openldap.org/openldap/openldap/-/commit/554dff1927176579d652f2fe6... | |
| https://git.openldap.org/openldap/openldap/-/commit/5a2017d4e61a6ddc4dcb44150... | |
| https://git.openldap.org/openldap/openldap/-/commit/c0b61a9486508e5202aa2e0cf... | |
| https://git.openldap.org/openldap/openldap/-/commit/d169e7958a3e0dc70f59c8374... | |
| https://git.openldap.org/openldap/openldap/-/tags/OPENLDAP_REL_ENG_2_4_57 | |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db560... | |
| https://lists.apache.org/thread.html/rc713534b10f9daeee2e0990239fa407e2118e4a... | |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61... | |
| https://lists.debian.org/debian-lts-announce/2021/02/msg00005.html | |
| https://security.netapp.com/advisory/ntap-20210226-0002/ | |
| https://support.apple.com/kb/HT212529 | |
| https://support.apple.com/kb/HT212530 | |
| https://support.apple.com/kb/HT212531 | |
| https://www.debian.org/security/2021/dsa-4845 |
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 (excluding) 2.4.57 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | openldap | * |
Up to (excluding) 2.4.57-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | openldap | * |
Up to (excluding) 2.4.57-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | openldap | * |
Up to (excluding) 2.4.57-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | openldap | * |
Up to (excluding) 2.4.57-r0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | openldap | * |
Up to (excluding) 2.4.47+dfsg-3+deb10u5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | openldap | * |
Up to (excluding) 2.4.44+dfsg-5+deb9u7 |
|||||
| 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-2ubuntu3.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | openldap | * |
Up to (excluding) 2.4.42+dfsg-2ubuntu3.12 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | openldap | * |
Up to (excluding) 2.4.45+dfsg-1ubuntu1.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | openldap | * |
Up to (excluding) 2.4.45+dfsg-1ubuntu1.9 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | openldap | * |
Up to (excluding) 2.4.49+dfsg-2ubuntu1.6 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_21.04 | openldap | * |
Up to (excluding) 2.4.57+dfsg-2ubuntu1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_20 | openldap | * |
Up to (excluding) 2.4.47+dfsg.3-1+eagle |
|||||
- 攻击路径 远程
- 攻击复杂度 复杂
- 权限要求 无需权限
- 影响范围 全局影响
- EXP成熟度 未验证
- 补丁情况 官方补丁
- 数据保密性 无影响
- 数据完整性 传输被破坏
- 服务器危害 DoS
- 全网数量 N/A
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