CVE-2021-28861

一、漏洞信息
 漏洞编号：[CVE-2021-28861](https://nvd.nist.gov/vuln/detail/CVE-2021-28861)
 漏洞归属组件：[python2](https://gitee.com/src-openeuler/python2)
 漏洞归属的版本：2.7.18
 CVSS V3.0分值：
  BaseScore：7.4 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
 漏洞简述：
  Python 3.x through 3.10 has an open redirection vulnerability in lib/http/server.py due to no protection against multiple (/) at the beginning of URI path which may leads to information disclosure. NOTE: this is disputed by a third party because the http.server.html documentation page states  Warning: http.server is not recommended for production. It only implements basic security checks. 
 漏洞公开时间：2022-08-23 09:15:07
 漏洞创建时间：2025-01-16 18:20:48
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-28861
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| cve.mitre.org | https://bugs.python.org/issue43223 |  |
| cve.mitre.org | https://github.com/python/cpython/pull/24848 |  |
| cve.mitre.org | https://github.com/python/cpython/pull/93879 |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2TRINJE3INWDVIHIABW4L2NP3RUSK7BJ/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LTSPFIULY2GZJN3QYNFVM4JSU6H4D6J/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OABQ5CMPQETJLFHROAXDIDXCMDTNVYG/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DISZAFSIQ7IAPAEQTC7G2Z5QUA2V2PSW/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPX4XHT2FGVQYLY2STT2MRVENILNZTTU/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I3MQT5ZE3QH5PVDJMERTBOCILHK35CBE/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFGV7P2PYFBMK32OKHCAC2ZPJQV5AUDF/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRGKPYA5YHIXQAMRIXO5DSCX7D4UUW4Q/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QLE5INSVJUZJGY5OJXV6JREXWD7UDHYN/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7G66SRWUM36ENQ3X6LAIG7HAB27D4XJ/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZEPOPUFC42KXXSLFPZ47ZZRGPOR7SQE/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X46T4EFTIBXZRYTGASBDEZGYJINH2OWV/ |  |
| cve.mitre.org | https://security.gentoo.org/glsa/202305-02 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-28861 | https://bugzilla.suse.com/show_bug.cgi?id=1202624 |
| suse_bugzilla | https://github.com/python/cpython/pull/93879 | https://bugzilla.suse.com/show_bug.cgi?id=1202624 |
| suse_bugzilla | https://github.com/python/cpython/pull/24848 | https://bugzilla.suse.com/show_bug.cgi?id=1202624 |
| suse_bugzilla | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28861 | https://bugzilla.suse.com/show_bug.cgi?id=1202624 |
| suse_bugzilla | https://bugs.python.org/issue43223 | https://bugzilla.suse.com/show_bug.cgi?id=1202624 |
| redhat_bugzilla | https://bugs.python.org/issue43223 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://github.com/python/cpython/pull/93879 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2022:6766 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2022:8353 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2023:0833 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2023:2763 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2023:2764 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| redhat_bugzilla | https://access.redhat.com/security/cve/cve-2021-28861 | https://bugzilla.redhat.com/show_bug.cgi?id=2120642 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28861 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://github.com/python/cpython/pull/93879 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://github.com/python/cpython/pull/24848 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://ubuntu.com/security/notices/USN-5629-1 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://ubuntu.com/security/notices/USN-5888-1 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-28861 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-28861 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-28861 | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://bugs.python.org/issue43223 (old) | https://ubuntu.com/security/CVE-2021-28861 |
| ubuntu | https://github.com/python/cpython/issues/87389 (new) | https://ubuntu.com/security/CVE-2021-28861 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2021-28861 |
| oracle |  | https://www.oracle.com/security-alerts/cpuapr2024.html |
| gentoo |  | https://security.gentoo.org/glsa/202305-02 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2021-28861 |
| cve_search |  | https://github.com/python/cpython/pull/93879 |
| cve_search |  | https://bugs.python.org/issue43223 |
| cve_search |  | https://github.com/python/cpython/pull/24848 |
| cve_search |  | https://security.gentoo.org/glsa/202305-02 |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LTSPFIULY2GZJN3QYNFVM4JSU6H4D6J/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7G66SRWUM36ENQ3X6LAIG7HAB27D4XJ/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DISZAFSIQ7IAPAEQTC7G2Z5QUA2V2PSW/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QLE5INSVJUZJGY5OJXV6JREXWD7UDHYN/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPX4XHT2FGVQYLY2STT2MRVENILNZTTU/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X46T4EFTIBXZRYTGASBDEZGYJINH2OWV/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRGKPYA5YHIXQAMRIXO5DSCX7D4UUW4Q/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I3MQT5ZE3QH5PVDJMERTBOCILHK35CBE/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2TRINJE3INWDVIHIABW4L2NP3RUSK7BJ/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFGV7P2PYFBMK32OKHCAC2ZPJQV5AUDF/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZEPOPUFC42KXXSLFPZ47ZZRGPOR7SQE/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OABQ5CMPQETJLFHROAXDIDXCMDTNVYG/ |
| mageia |  | http://advisories.mageia.org/MGASA-2022-0359.html |
| osv | https://bugs.python.org/issue43223 | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://security.gentoo.org/glsa/202305-02 | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://github.com/python/cpython/pull/24848 | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://github.com/python/cpython/pull/93879 | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2TRINJE3INWDVIHIABW4L2NP3RUSK7BJ/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LTSPFIULY2GZJN3QYNFVM4JSU6H4D6J/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OABQ5CMPQETJLFHROAXDIDXCMDTNVYG/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DISZAFSIQ7IAPAEQTC7G2Z5QUA2V2PSW/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HPX4XHT2FGVQYLY2STT2MRVENILNZTTU/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I3MQT5ZE3QH5PVDJMERTBOCILHK35CBE/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IFGV7P2PYFBMK32OKHCAC2ZPJQV5AUDF/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KRGKPYA5YHIXQAMRIXO5DSCX7D4UUW4Q/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OKYE2DOI2X7WZXAWTQJZAXYIWM37HDCY/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QLE5INSVJUZJGY5OJXV6JREXWD7UDHYN/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/S7G66SRWUM36ENQ3X6LAIG7HAB27D4XJ/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TZEPOPUFC42KXXSLFPZ47ZZRGPOR7SQE/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXF6MQ74HVIDDSR5AE2UDR24I6D4FEPC/ | https://osv.dev/vulnerability/CVE-2021-28861 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X46T4EFTIBXZRYTGASBDEZGYJINH2OWV/ | https://osv.dev/vulnerability/CVE-2021-28861 |

</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/python/cpython/pull/24848 |  | cve.mitre.org |
|  |  | https://github.com/python/cpython/pull/93879 |  | cve.mitre.org |
|  |  | https://github.com/python/cpython/pull/93879 |  | suse_bugzilla |
|  |  | https://github.com/python/cpython/pull/24848 |  | suse_bugzilla |
|  |  | https://github.com/python/cpython/pull/93879 |  | redhat_bugzilla |
|  |  | https://github.com/python/cpython/pull/93879 |  | ubuntu |
|  |  | https://github.com/python/cpython/pull/24848 |  | ubuntu |
|  |  | https://github.com/python/cpython/pull/24848 |  | osv |
|  |  | https://github.com/python/cpython/pull/93879 |  | osv |
|  |  | https://bugs.python.org/issue43223 |  | nvd |
|  |  | https://github.com/python/cpython/pull/24848 |  | nvd |
|  |  | https://github.com/python/cpython/pull/93879 |  | nvd |
| python2.7 |  | https://github.com/python/cpython/commit/5715382d3a89ca118ce2e224d8c69550d21fe51b |  | ubuntu |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
                                         
 openEuler评分：
  7.4
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N
 受影响版本排查(受影响/不受影响)：
  1.master(2.7.18):
2.openEuler-20.03-LTS-SP4:
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

修复是否涉及abi变化(是/否)：
  1.master(2.7.18):
2.openEuler-20.03-LTS-SP4:
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

原因说明：
  1.master(2.7.18):
2.openEuler-20.03-LTS-SP4:
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

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