CVE-2025-40778

一、漏洞信息
 漏洞编号：[CVE-2025-40778](https://nvd.nist.gov/vuln/detail/CVE-2025-40778)
 漏洞归属组件：[dhcp](https://gitee.com/src-openeuler/dhcp)
 漏洞归属的版本：4.4.2,4.4.3
 CVSS V3.0分值：
  BaseScore：8.6 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
 漏洞简述：
  Under certain circumstances, BIND is too lenient when accepting records from answers, allowing an attacker to inject forged data into the cache. This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.39, 9.20.0 through 9.20.13, 9.21.0 through 9.21.12, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.39-S1, and 9.20.9-S1 through 9.20.13-S1.
 漏洞公开时间：2025-10-23 00:15:42
 漏洞创建时间：2025-10-23 08:22:50
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-40778
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://www.openwall.com/lists/oss-security/2025/10/22/1 |  |
|  | https://linux.oracle.com/cve/CVE-2025-40778.html |  |
|  | https://kb.isc.org/docs/cve-2025-40778 |  |
|  | https://advisories.mageia.org/MGASA-2025-0254.html |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-40778 |  |
|  | https://bugs.mageia.org/show_bug.cgi?id=34696 |  |
|  | https://gist.github.com/N3mes1s/f76b4a606308937b0806a5256bc1f918 |  |
|  | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2654 |  |
|  | https://www.mend.io/vulnerability-database/CVE-2025-40778 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-8677 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-40778 |  |
|  | http://www.openwall.com/lists/oss-security/2025/10/22/1 |  |
|  | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-40778 |  |
|  | https://linux.oracle.com/errata/ELSA-2025-19835.html |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-40780 |  |
|  | https://security-tracker.debian.org/tracker/CVE-2025-40778 |  |
|  | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-40778 |  |
|  | https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2653 |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2405827 |  |

</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:
  七彩瞬析开源风险感知平台
 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：
        BIND在处理DNS响应时过于宽松，未验证UDP响应安全性即接受DNAME记录和缓存授权信息，允许攻击者注入伪造的DNAME记录污染缓存。此问题影响BIND 9的以下版本:9.11.0至9.16.50、9.18.0至9.18.39、9.20.0至9.20.13、9.21.0至9.21.12、9.11.3-S1至9.16.50-S1、9.18.11-S1至9.18.39-S1以及9.20.9-S1至9.20.13-S1。dhcp与bind的版本对应关系为4.4.2->9.11.14, 4.4.3->9.11.36 , 受影响   
 openEuler评分：
  8.6
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:H/A:N
 受影响版本排查(受影响/不受影响)：
  1.master(4.4.3):受影响
2.openEuler-20.03-LTS-SP4(4.4.2):受影响
3.openEuler-22.03-LTS-SP3(4.4.3):受影响
4.openEuler-22.03-LTS-SP4(4.4.3):受影响
5.openEuler-24.03-LTS(4.4.3):受影响
6.openEuler-24.03-LTS-Next(4.4.3):受影响
7.openEuler-24.03-LTS-SP1(4.4.3):受影响
8.openEuler-24.03-LTS-SP2(4.4.3):受影响

修复是否涉及abi变化(是/否)：
  1.master(4.4.3):否
2.openEuler-20.03-LTS-SP4(4.4.2):否
3.openEuler-22.03-LTS-SP3(4.4.3):否
4.openEuler-22.03-LTS-SP4(4.4.3):否
5.openEuler-24.03-LTS(4.4.3):否
6.openEuler-24.03-LTS-Next(4.4.3):否
7.openEuler-24.03-LTS-SP1(4.4.3):否
8.openEuler-24.03-LTS-SP2(4.4.3):否

原因说明：
  1.master(4.4.3):正常修复
2.openEuler-20.03-LTS-SP4(4.4.2):正常修复
3.openEuler-22.03-LTS-SP3(4.4.3):正常修复
4.openEuler-22.03-LTS-SP4(4.4.3):正常修复
5.openEuler-24.03-LTS(4.4.3):正常修复
6.openEuler-24.03-LTS-Next(4.4.3):正常修复
7.openEuler-24.03-LTS-SP1(4.4.3):正常修复
8.openEuler-24.03-LTS-SP2(4.4.3):正常修复

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CVE-2025-40778

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