低危 Samba 安全漏洞
CVE编号
CVE-2020-27840利用情况
暂无补丁情况
官方补丁披露时间
2021-05-12漏洞描述
Samba是Samba团队的一套可使UNIX系列的操作系统与微软Windows操作系统的SMB/CIFS网络协议做连结的自由软件。该软件支持共享打印机、互相传输资料文件等。 Samba 存在安全漏洞，攻击者可利用该漏洞通过DN Strings触发内存损坏，从而触发拒绝服务，并可能运行代码。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://www.samba.org/samba/security/CVE-2020-27840.html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 | samba | samba | * | From (including) 4.0.0 | Up to (excluding) 4.12.13 | ||||
| 运行在以下环境 | |||||||||
| 应用 | samba | samba | * | From (including) 4.13.0 | Up to (excluding) 4.13.6 | ||||
| 运行在以下环境 | |||||||||
| 应用 | samba | samba | * | From (including) 4.14.0 | Up to (excluding) 4.14.1 | ||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | samba | * | Up to (excluding) 4.12.14-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | samba | * | Up to (excluding) 4.13.7-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | samba | * | Up to (excluding) 4.14.2-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | ldb | * | Up to (including) 4.9.5+dfsg-5+deb10u3 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | ldb | * | Up to (including) 4.13.13+dfsg-1~deb11u5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | samba | * | Up to (excluding) 2:4.13.13+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | ldb | * | Up to (excluding) 2:1.1.27-1+deb9u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | samba | * | Up to (excluding) 2:4.13.13+dfsg-1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_32 | libldb-devel | * | Up to (excluding) 4.12.13-0.fc32 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | libldb-devel | * | Up to (excluding) 4.13.6-0.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | libldb-debuginfo | * | Up to (excluding) 2.3.0-1.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | ctdb | * | Up to (excluding) 4.11.12-8.p02.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | ctdb | * | Up to (excluding) 4.11.12-8.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_loongarch64_V10SP1 | ctdb | * | Up to (excluding) 4.11.12-8.p02.a.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | ctdb | * | Up to (excluding) 4.11.12-8.p02.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | ctdb | * | Up to (excluding) 4.11.12-8.p01.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | python3-ldb | * | Up to (excluding) 4.11.14 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | samba-doc | * | Up to (excluding) 2.13.6-150300.3.11.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04 | ldb | * | Up to (excluding) 2:1.1.24-1ubuntu3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_16.04.7_lts | ldb | * | Up to (excluding) 2:1.1.24-1ubuntu3.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04 | ldb | * | Up to (excluding) 2:1.2.3-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_18.04.5_lts | ldb | * | Up to (excluding) 2:1.2.3-1ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | ldb | * | Up to (excluding) 2:2.0.10-0ubuntu0.20.04.3 | |||||
- 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 N/A
| CWE-ID | 漏洞类型 |
| CWE-125 | 跨界内存读 |
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