CVE-2024-37891

一、漏洞信息
 漏洞编号：[CVE-2024-37891](https://nvd.nist.gov/vuln/detail/CVE-2024-37891)
 漏洞归属组件：[python-urllib3](https://gitee.com/src-openeuler/python-urllib3)
 漏洞归属的版本：1.24.3,1.25.9,1.26.12,1.26.16,1.26.17,1.26.18,1.26.3,1.26.7,1.26.8
 CVSS V3.0分值：
  BaseScore：4.4 Medium
  Vector：CVSS：3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
 漏洞简述：
   urllib3 is a user-friendly HTTP client library for Python. When using urllib3 s proxy support with `ProxyManager`, the `Proxy-Authorization` header is only sent to the configured proxy, as expected. However, when sending HTTP requests *without* using urllib3 s proxy support, it s possible to accidentally configure the `Proxy-Authorization` header even though it won t have any effect as the request is not using a forwarding proxy or a tunneling proxy. In those cases, urllib3 doesn t treat the `Proxy-Authorization` HTTP header as one carrying authentication material and thus doesn t strip the header on cross-origin redirects. Because this is a highly unlikely scenario, we believe the severity of this vulnerability is low for almost all users. Out of an abundance of caution urllib3 will automatically strip the `Proxy-Authorization` header during cross-origin redirects to avoid the small chance that users are doing this on accident. Users should use urllib3 s proxy support or disable automatic redirects to achieve safe processing of the `Proxy-Authorization` header, but we still decided to strip the header by default in order to further protect users who aren t using the correct approach. We believe the number of usages affected by this advisory is low. It requires all of the following to be true to be exploited: 1. Setting the `Proxy-Authorization` header without using urllib3 s built-in proxy support. 2. Not disabling HTTP redirects. 3. Either not using an HTTPS origin server or for the proxy or target origin to redirect to a malicious origin. Users are advised to update to either version 1.26.19 or version 2.2.2. Users unable to upgrade may use the `Proxy-Authorization` header with urllib3 s `ProxyManager`, disable HTTP redirects using `redirects=False` when sending requests, or not user the `Proxy-Authorization` header as mitigations.
 漏洞公开时间：2024-06-18 04:15:13
 漏洞创建时间：2024-06-18 08:59:45
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-37891
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| security-advisories.github.com | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |  |
| security-advisories.github.com | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-37891 | https://bugzilla.suse.com/show_bug.cgi?id=1226469 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-37891 | https://bugzilla.suse.com/show_bug.cgi?id=1226469 |
| suse_bugzilla | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e | https://bugzilla.suse.com/show_bug.cgi?id=1226469 |
| suse_bugzilla | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf | https://bugzilla.suse.com/show_bug.cgi?id=1226469 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 | https://bugzilla.suse.com/show_bug.cgi?id=1226469 |
| redhat_bugzilla | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:4422 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5041 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5309 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5526 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5526 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5526 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5627 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5622 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:5633 | https://bugzilla.redhat.com/show_bug.cgi?id=2292788 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-37891 |
| cve_search |  | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf |
| cve_search |  | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |
| github_advisory | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf | https://github.com/advisories/GHSA-34jh-p97f-mpxf |
| github_advisory | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e | https://github.com/advisories/GHSA-34jh-p97f-mpxf |
| github_advisory | https://github.com/urllib3/urllib3/commit/40b6d1605814dd1db0a46e202d6e56f2e4c9a468 | https://github.com/advisories/GHSA-34jh-p97f-mpxf |
| github_advisory | https://nvd.nist.gov/vuln/detail/CVE-2024-37891 | https://github.com/advisories/GHSA-34jh-p97f-mpxf |
| python-urllib3 |  | https://github.com/urllib3/urllib3/security/advisories/GHSA-34jh-p97f-mpxf |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-37891 | https://explore.alas.aws.amazon.com/CVE-2024-37891.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-37891 | https://explore.alas.aws.amazon.com/CVE-2024-37891.html |

</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  openBrain开源漏洞感知系统
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |  | security-advisories.github.com |
|  |  | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |  | suse_bugzilla |
|  |  | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |  | redhat_bugzilla |
|  |  | https://github.com/urllib3/urllib3/commit/accff72ecc2f6cf5a76d9570198a93ac7c90270e |  | github_advisory |
|  |  | https://github.com/urllib3/urllib3/commit/40b6d1605814dd1db0a46e202d6e56f2e4c9a468 |  | github_advisory |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
                                                        当将urllib3的代理支持与ProxyManager一起使用时，Proxy-Authorization标头只会发送到配置的代理，正如预期的。但是，当发送HTTP请求而不使用urllib3的代理支持时，可能会意外配置Proxy-Authorization标头，即使它不会有任何效果，因为请求没有使用转发代理或隧道代理。在这些情况下，urllib3不会将Proxy-Authorization HTTP标头视为携带身份验证材料的标头，因此不会在跨域重定向时剥离该标头;                           
 openEuler评分：
  4.4
 Vector：CVSS：3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/A:N
 受影响版本排查(受影响/不受影响)：
  1.master(1.26.17):受影响
2.openEuler-22.03-LTS-SP1(1.26.12):受影响
3.openEuler-22.03-LTS-SP3(1.26.12):受影响
4.openEuler-22.03-LTS-SP4(1.26.12):受影响
5.openEuler-24.03-LTS(1.26.18):受影响
6.openEuler-24.03-LTS-Next(1.26.18):受影响
7.openEuler-20.03-LTS-SP4(1.25.9):不受影响

修复是否涉及abi变化(是/否)：
  1.master(1.26.17):否
2.openEuler-20.03-LTS-SP4(1.25.9):否
3.openEuler-22.03-LTS-SP1(1.26.12):否
4.openEuler-22.03-LTS-SP3(1.26.12):否
5.openEuler-22.03-LTS-SP4(1.26.12):否
6.openEuler-24.03-LTS(1.26.18):否
7.openEuler-24.03-LTS-Next(1.26.18):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-2037

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