CVE编号
CVE-2019-19906利用情况
暂无补丁情况
官方补丁披露时间
2019-12-20漏洞描述
cyru - SASL(又名Cyrus SASL) 2.1.27有一个越界写入，通过一个格式错误的LDAP包导致OpenLDAP中未经身份验证的远程拒绝服务。OpenLDAP崩溃最终是由cyru -sasl中的common.c中的_sasl_add_string中的一个off-by-one错误造成的。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://github.com/cyrusimap/cyrus-sasl/issues/587
参考链接 |
|
|---|---|
| http://seclists.org/fulldisclosure/2020/Jul/23 | |
| http://seclists.org/fulldisclosure/2020/Jul/24 | |
| http://www.openwall.com/lists/oss-security/2022/02/23/4 | |
| https://github.com/cyrusimap/cyrus-sasl/issues/587 | |
| https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db560... | |
| https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61... | |
| https://lists.debian.org/debian-lts-announce/2019/12/msg00027.html | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://seclists.org/bugtraq/2019/Dec/42 | |
| https://support.apple.com/kb/HT211288 | |
| https://support.apple.com/kb/HT211289 | |
| https://usn.ubuntu.com/4256-1/ | |
| https://www.debian.org/security/2019/dsa-4591 | |
| https://www.openldap.org/its/index.cgi/Incoming?id=9123 |
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 | cyrusimap | cyrus-sasl | 2.1.27 | - | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.10 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r4 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.11 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.8 | cyrus-sasl | * |
Up to (excluding) 2.1.26-r15 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.9 | cyrus-sasl | * |
Up to (excluding) 2.1.27-r2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | cyrus-sasl | * |
Up to (excluding) 2.1.27-r5 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | centos_8 | cyrus-sasl | * |
Up to (excluding) 2.1.27-5.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | cyrus-sasl | * |
Up to (excluding) 2.1.27+dfsg-1+deb10u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_8 | cyrus-sasl | * |
Up to (excluding) 2.1.26.dfsg1-13+deb8u2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | cyrus-sasl | * |
Up to (excluding) 2.1.27~101-g0780600+dfsg-3+deb9u1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_31 | cyrus-sasl | * |
Up to (excluding) 2.1.27-3.fc31 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | cyrus-sasl | * |
Up to (excluding) 2.1.27-4.fc32 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | oracle_8 | cyrus-sasl | * |
Up to (excluding) 2.1.27-5.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | redhat_8 | cyrus-sasl | * |
Up to (excluding) 2.1.27-5.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | suse_12_SP5 | cyrus-sasl | * |
Up to (excluding) 2.1.26-8.13.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_14.04 | cyrus-sasl | * |
Up to (excluding) 2.1.25.dfsg1-17ubuntu0.1~esm1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | cyrus-sasl | * |
Up to (excluding) 2.1.26.dfsg1-14ubuntu0.2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | cyrus-sasl | * |
Up to (excluding) 2.1.27~101-g0780600+dfsg-3ubuntu2.1 |
|||||
- 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 有限影响
- 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 无影响
- 服务器危害 无影响
- 全网数量 100
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