CVE-2024-12705

一、漏洞信息
 漏洞编号：[CVE-2024-12705](https://nvd.nist.gov/vuln/detail/CVE-2024-12705)
 漏洞归属组件：[bind](https://gitee.com/src-openeuler/bind)
 漏洞归属的版本：9.11.21,9.11.4,9.16.23,9.16.37,9.18.21
 CVSS V3.0分值：
  BaseScore：7.5 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  Clients using DNS-over-HTTPS (DoH) can exhaust a DNS resolver s CPU and/or memory by flooding it with crafted valid or invalid HTTP/2 traffic.This issue affects BIND 9 versions 9.18.0 through 9.18.32, 9.20.0 through 9.20.4, 9.21.0 through 9.21.3, and 9.18.11-S1 through 9.18.32-S1.
 漏洞公开时间：2025-01-30 06:15:28
 漏洞创建时间：2025-01-30 01:59:24
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-12705
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| security-officer.isc.org | https://kb.isc.org/docs/cve-2024-12705 |  |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-12705 |
| mageia |  | http://advisories.mageia.org/MGASA-2025-0036.html |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-12705 | https://explore.alas.aws.amazon.com/CVE-2024-12705.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-12705 | https://explore.alas.aws.amazon.com/CVE-2024-12705.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>

无
</details>

二、漏洞分析结构反馈
 影响性分析说明：
  By flooding a target resolver with HTTP/2 traffic and exploiting this flaw, an attacker could overwhelm the server, causing high CPU and/or memory usage and preventing other clients from establishing DoH connections. This would significantly impair the resolver s performance and effectively deny legitimate clients access to the DNS resolution service.
 openEuler评分：
  7.5
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.master(9.18.21):受影响
2.openEuler-24.03-LTS(9.18.21):受影响
3.openEuler-24.03-LTS-Next(9.18.21):受影响
4.openEuler-24.03-LTS-SP1(9.18.21):受影响
5.openEuler-20.03-LTS-SP4(9.11.21):不受影响
6.openEuler-22.03-LTS-SP3(9.16.23):不受影响
7.openEuler-22.03-LTS-SP4(9.16.23):不受影响

修复是否涉及abi变化(是/否)：
  1.master(9.18.21):否
2.openEuler-20.03-LTS-SP4(9.11.21):否
3.openEuler-22.03-LTS-SP3(9.16.23):否
4.openEuler-22.03-LTS-SP4(9.16.23):否
5.openEuler-24.03-LTS(9.18.21):否
6.openEuler-24.03-LTS-Next(9.18.21):否
7.openEuler-24.03-LTS-SP1(9.18.21):否

原因说明：
  1.master(9.18.21):正常修复
2.openEuler-24.03-LTS(9.18.21):正常修复
3.openEuler-24.03-LTS-Next(9.18.21):正常修复
4.openEuler-24.03-LTS-SP1(9.18.21):正常修复
5.openEuler-20.03-LTS-SP4(9.11.21):不受影响-漏洞代码不存在
6.openEuler-22.03-LTS-SP3(9.16.23):不受影响-漏洞代码不存在
7.openEuler-22.03-LTS-SP4(9.16.23):不受影响-漏洞代码不存在

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1106

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CVE-2024-12705

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