CVE-2021-3618

一、漏洞信息
 漏洞编号：[CVE-2021-3618](https://nvd.nist.gov/vuln/detail/CVE-2021-3618)
 漏洞归属组件：[httpd](https://gitee.com/src-openeuler/httpd)
 漏洞归属的版本：2.4.58
 CVSS V3.0分值：
  BaseScore：7.4 High
  Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
 漏洞简述：
  ALPACA is an application layer protocol content confusion attack, exploiting TLS servers implementing different protocols but using compatible certificates, such as multi-domain or wildcard certificates. A MiTM attacker having access to victim s traffic at the TCP/IP layer can redirect traffic from one subdomain to another, resulting in a valid TLS session. This breaks the authentication of TLS and cross-protocol attacks may be possible where the behavior of one protocol service may compromise the other at the application layer.
 漏洞公开时间：2022-03-24 04:15
 漏洞创建时间：2024-09-06 23:44:24
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-3618
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| MISC | https://bugzilla.redhat.com/show_bug.cgi?id=1975623 |  |
| MISC | https://ubuntu.com/security/CVE-2021-3618 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991328 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991329 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991331 |  |
| MISC | https://github.com/nginx/nginx/commit/173f16f736c10eae46cd15dd861b04b82d91a37a |  |
| redhat | https://access.redhat.com/security/cve/CVE-2021-3618 |  |
| suse_bugzilla | https://alpaca-attack.com |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3618 |  |
| ubuntu | https://security.appspot.com/vsftpd/Changelog.txt |  |
| ubuntu | https://alpaca-attack.com/ |  |
| ubuntu | https://marc.info/?l=sendmail-announce&m=159394546814125&w=2 |  |
| ubuntu | https://lists.exim.org/lurker/message/20210609.200324.f0e073ed.el.html |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-3618 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-3618 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-3618 |  |
| ubuntu | http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991328 |  |
| ubuntu | http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991329 |  |
| ubuntu | http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991331 |  |
| ubuntu | https://bugzilla.redhat.com/show_bug.cgi?id=1975623 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2021-3618 |  |
| MISC | https://bugzilla.redhat.com/show_bug.cgi?id=1975623 |  |
| MISC | https://ubuntu.com/security/CVE-2021-3618 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991328 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991329 |  |
| MISC | https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=991331 |  |
| MISC | https://github.com/nginx/nginx/commit/173f16f736c10eae46cd15dd861b04b82d91a37a |  |

</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:
  其它
 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/nginx/nginx/commit/173f16f736c10eae46cd15dd861b04b82d91a37a |  | MISC |

</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:H/PR:N/UI:N/S:U/C:H/I:H/A:N
 受影响版本排查(受影响/不受影响)：
  2.openEuler-24.03-LTS-Next(2.4.58):
3.openEuler-22.03-LTS-SP4(2.4.51):
4.master(2.4.58):

修复是否涉及abi变化(是/否)：
  2.openEuler-24.03-LTS-Next(2.4.58):
3.openEuler-22.03-LTS-SP4(2.4.51):
4.master(2.4.58):

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