CVE编号
CVE-2021-23351利用情况
暂无补丁情况
官方补丁披露时间
2021-03-08漏洞描述
The package github.com/pires/go-proxyproto before 0.5.0 are vulnerable to Denial of Service (DoS) via the parseVersion1() function. The reader in this package is a default bufio.Reader wrapping a net.Conn. It will read from the connection until it finds a newline. Since no limits are implemented in the code, a deliberately malformed V1 header could be used to exhaust memory in a server process using this code - and create a DoS. This can be exploited by sending a stream starting with PROXY and continuing to send data (which does not contain a newline) until the target stops acknowledging. The risk here is small, because only trusted sources should be allowed to send proxy protocol headers.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://github.com/pires/go-proxyproto/commit/7f48261db810703d173f27f3309a808... | |
| https://github.com/pires/go-proxyproto/issues/69 | |
| https://github.com/pires/go-proxyproto/pull/71 | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://lists.fedoraproject.org/archives/list/[email protected]... | |
| https://snyk.io/vuln/SNYK-GOLANG-GITHUBCOMPIRESGOPROXYPROTO-1081577 |
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 | go-proxyproto_project | go-proxyproto | * |
Up to (excluding) 0.5.0 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_11 | golang-github-pires-go-proxyproto | * |
Up to (excluding) 0.4.1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | debian_sid | golang-github-pires-go-proxyproto | * |
Up to (excluding) 0.4.1-1 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_33 | golang-github-pires-go-proxyproto | * |
Up to (excluding) 0.5.0-1.fc33 |
|||||
| 运行在以下环境 | |||||||||
| 系统 | fedora_34 | golang-github-pires-go-proxyproto | * |
Up to (excluding) 0.5.0-1.fc34 |
|||||
- 攻击路径 远程
- 攻击复杂度 容易
- 权限要求 管控权限
- 影响范围 有限影响
- EXP成熟度 N/A
- 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 服务器失陷
- 全网数量 N/A
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