CVE-2021-23017

一、漏洞信息
 漏洞编号：[CVE-2021-23017](https://nvd.nist.gov/vuln/detail/CVE-2021-23017)
 漏洞归属组件：[openresty](https://gitee.com/src-openeuler/openresty)
 漏洞归属的版本：1.19.3.1
 CVSS V3.0分值：
  BaseScore：7.7 High
  Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L
 漏洞简述：
  A security issue in nginx resolver was identified, which might allow an attacker who is able to forge UDP packets from the DNS server to cause 1-byte memory overwrite, resulting in worker process crash or potential other impact.
 漏洞公开时间：2021-06-01 21:15:07
 漏洞创建时间：2021-12-09 06:50:11
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-23017
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| f5sirt.f5.com | http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html |  |
| f5sirt.f5.com | http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html |  |
| f5sirt.f5.com | https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E |  |
| f5sirt.f5.com | https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E |  |
| f5sirt.f5.com | https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E |  |
| f5sirt.f5.com | https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E |  |
| f5sirt.f5.com | https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E |  |
| f5sirt.f5.com | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ |  |
| f5sirt.f5.com | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ |  |
| f5sirt.f5.com | https://security.netapp.com/advisory/ntap-20210708-0006/ |  |
| f5sirt.f5.com | https://support.f5.com/csp/article/K12331123, |  |
| f5sirt.f5.com | https://www.oracle.com/security-alerts/cpuapr2022.html |  |
| f5sirt.f5.com | https://www.oracle.com/security-alerts/cpujan2022.html |  |
| f5sirt.f5.com | https://www.oracle.com/security-alerts/cpuoct2021.html |  |
| redhat_bugzilla | https://www.openwall.com/lists/oss-security/2021/05/25/5 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://nginx.org/download/patch.2021.resolver.txt | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:2258 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/security/cve/cve-2021-23017 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:2259 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:2278 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:2290 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:3653 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:3873 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:3925 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2021:4618 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2022:0323 | https://bugzilla.redhat.com/show_bug.cgi?id=1963121 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23017 | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://www.x41-dsec.de/lab/advisories/x41-2021-002-nginx-resolver-copy/ | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://ubuntu.com/security/notices/USN-4967-1 | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://ubuntu.com/security/notices/USN-4967-2 | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-23017 | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-23017 | https://ubuntu.com/security/CVE-2021-23017 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-23017 | https://ubuntu.com/security/CVE-2021-23017 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2021-23017 |
| oracle |  | https://www.oracle.com/security-alerts/linuxbulletinapr2021.html |
| gentoo |  | https://security.gentoo.org/glsa/202105-38 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2021-23017 |
| cve_search |  | http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html |
| cve_search |  | https://support.f5.com/csp/article/K12331123, |
| cve_search |  | https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E |
| cve_search |  | https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E |
| cve_search |  | https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E |
| cve_search |  | https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E |
| cve_search |  | https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ |
| cve_search |  | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ |
| cve_search |  | https://security.netapp.com/advisory/ntap-20210708-0006/ |
| cve_search |  | https://www.oracle.com/security-alerts/cpuoct2021.html |
| cve_search |  | https://www.oracle.com/security-alerts/cpujan2022.html |
| cve_search |  | https://www.oracle.com/security-alerts/cpuapr2022.html |
| cve_search |  | http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html |
| mageia |  | http://advisories.mageia.org/MGASA-2021-0301.html |
| osv | http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://security.netapp.com/advisory/ntap-20210708-0006/ | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://www.oracle.com/security-alerts/cpuapr2022.html | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://www.oracle.com/security-alerts/cpujan2022.html | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://www.oracle.com/security-alerts/cpuoct2021.html | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009%40%3Cnotifications.apisix.apache.org%3E | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f%40%3Cnotifications.apisix.apache.org%3E | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba%40%3Cnotifications.apisix.apache.org%3E | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31%40%3Cnotifications.apisix.apache.org%3E | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c%40%3Cnotifications.apisix.apache.org%3E | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ | https://osv.dev/vulnerability/CVE-2021-23017 |
| osv | https://support.f5.com/csp/article/K12331123%2C | https://osv.dev/vulnerability/CVE-2021-23017 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2021-23017 | https://explore.alas.aws.amazon.com/CVE-2021-23017.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23017 | https://explore.alas.aws.amazon.com/CVE-2021-23017.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:
  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  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | http://mailman.nginx.org/pipermail/nginx-announce/2021/000300.html |  | nvd |
|  |  | http://packetstormsecurity.com/files/167720/Nginx-1.20.0-Denial-Of-Service.html |  | nvd |
|  |  | https://lists.apache.org/thread.html/r37e6b2165f7c910d8e15fd54f4697857619ad2625f56583802004009@%3Cnotifications.apisix.apache.org%3E |  | nvd |
|  |  | https://lists.apache.org/thread.html/r4d4966221ca399ce948ef34884652265729d7d9ef8179c78d7f17e7f@%3Cnotifications.apisix.apache.org%3E |  | nvd |
|  |  | https://lists.apache.org/thread.html/r6fc5c57b38e93e36213e9a18c8a4e5dbd5ced1c7e57f08a1735975ba@%3Cnotifications.apisix.apache.org%3E |  | nvd |
|  |  | https://lists.apache.org/thread.html/rf232eecd47fdc44520192810560303073cefd684b321f85e311bad31@%3Cnotifications.apisix.apache.org%3E |  | nvd |
|  |  | https://lists.apache.org/thread.html/rf318aeeb4d7a3a312734780b47de83cefb7e6995da0b2cae5c28675c@%3Cnotifications.apisix.apache.org%3E |  | nvd |
|  |  | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7SFVYHC7OXTEO4SMBWXDVK6E5IMEYMEE/ |  | nvd |
|  |  | https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GNKOP2JR5L7KCIZTJRZDCUPJTUONMC5I/ |  | nvd |
|  |  | https://security.netapp.com/advisory/ntap-20210708-0006/ |  | nvd |
|  |  | https://support.f5.com/csp/article/K12331123, |  | nvd |
|  |  | https://www.oracle.com/security-alerts/cpuapr2022.html |  | nvd |
|  |  | https://www.oracle.com/security-alerts/cpujan2022.html |  | nvd |
|  |  | https://www.oracle.com/security-alerts/cpuoct2021.html |  | nvd |
| nginx |  | http://nginx.org/download/patch.2021.resolver.txt |  | ubuntu |
|  |  | https://github.com/nginx/nginx/commit/7199ebc203f74fd9e44595474de6bdc41740c5cf |  | debian |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
                                                                                                                                                                                                                                                                                                                                   
 openEuler评分：
  9.4
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP1:
2.openEuler-20.03-LTS-SP3:
3.openEuler-22.03-LTS(1.19.3.1):
4.openEuler-22.03-LTS-SP1(1.19.3.1):
5.openEuler-24.03-LTS:
6.master(1.21.4.1):
7.openEuler-22.03-LTS-SP4:

修复是否涉及abi变化(是/否)：
  2.openEuler-22.03-LTS-SP1(1.19.3.1):
3.openEuler-24.03-LTS:
4.master(1.21.4.1):
5.openEuler-22.03-LTS-SP4:

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