中危 openbsd openssh 双重释放
CVE编号
CVE-2021-28041利用情况
暂无补丁情况
没有补丁披露时间
2021-03-06漏洞描述
ssh-agent in OpenSSH before 8.5 has a double free that may be relevant in a few less-common scenarios, such as unconstrained agent-socket access on a legacy operating system, or the forwarding of an agent to an attacker-controlled host.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。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 | openbsd | openssh | * | Up to (excluding) 8.5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.12 | openssh | * | Up to (excluding) 8.3_p1-r2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.13 | openssh | * | Up to (excluding) 8.4_p1-r1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.16 | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.17 | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.18 | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | openssh | * | Up to (excluding) 8.5_p1-r0 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | openssh | * | Up to (excluding) 7.9p1-10+deb10u2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | openssh | * | Up to (excluding) 1:8.4p1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_12 | openssh | * | Up to (excluding) 1:8.4p1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | openssh | * | Up to (excluding) 1:8.4p1-5 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | openssh-keycat-debuginfo | * | Up to (excluding) 8.4p1-7.fc33 | |||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | kde-settings-plasma | * | Up to (excluding) 34.0-9.fc34 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP1 | openssh | * | Up to (excluding) 8.2p1-9.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_aarch64_V10SP2 | openssh | * | Up to (excluding) 8.2p1-9.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP1 | openssh | * | Up to (excluding) 8.2p1-9.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | kylinos_x86_64_V10SP2 | openssh | * | Up to (excluding) 8.2p1-9.p09.ky10 | |||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | openssh-8.4p1 | * | Up to (excluding) 3.9.1 | |||||
| 运行在以下环境 | |||||||||
| 系统 | ubuntu_20.04 | openssh | * | Up to (excluding) 1:8.2p1-4ubuntu0.2 | |||||
| 运行在以下环境 | |||||||||
| 系统 | unionos_e | openssh | * | Up to (excluding) openssh-8.2p1-15.uel20 | |||||
- 攻击路径 远程
- 攻击复杂度 困难
- 权限要求 普通权限
- 影响范围 全局影响
- EXP成熟度 N/A
- 补丁情况 没有补丁
- 数据保密性 数据泄露
- 数据完整性 传输被破坏
- 服务器危害 服务器失陷
- 全网数量 N/A
| CWE-ID | 漏洞类型 |
| CWE-415 | 双重释放 |
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