CVE编号
CVE-2021-40529利用情况
POC 已公开补丁情况
官方补丁披露时间
2021-09-07漏洞描述
The ElGamal implementation in Botan through 2.18.1, as used in Thunderbird and other products, allows plaintext recovery because, during interaction between two cryptographic libraries, a certain dangerous combination of the prime defined by the receiver's public key, the generator defined by the receiver's public key, and the sender's ephemeral exponents can lead to a cross-configuration attack against OpenPGP.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://eprint.iacr.org/2021/923 | |
| https://github.com/randombit/botan/pull/2790 | |
| https://ibm.github.io/system-security-research-updates/2021/07/20/insecurity-... | |
| https://ibm.github.io/system-security-research-updates/2021/09/06/insecurity-... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... |
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 | botan_project | botan | * |
Up to (including) 2.18.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.14 | botan | * |
Up to (excluding) 2.17.3-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_3.15 | botan | * |
Up to (excluding) 2.18.1-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | alpine_edge | botan | * |
Up to (excluding) 2.18.1-r3 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_10 | botan | * |
Up to (excluding) 2.9.0-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | botan | * |
Up to (excluding) 2.17.3+dfsg-2 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_9 | botan | * |
Up to (excluding) 1.10.16-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | botan | * |
Up to (excluding) 2.17.3-4.fc34 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_35 | botan | * |
Up to (excluding) 2.18.2-1.fc35 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_EPEL_8 | botan | * |
Up to (excluding) 2.12.1-4.el8 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.2 | botan | * |
Up to (excluding) 91.4.0-lp152.2.52.1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | opensuse_Leap_15.3 | botan | * |
Up to (excluding) 91.4.0-8.45.2 |
|||||
- 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 POC 已公开
- 补丁情况 官方补丁
- 数据保密性 数据泄露
- 数据完整性 无影响
- 服务器危害 无影响
- 全网数量 N/A
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