CVE-2024-43168

一、漏洞信息
 漏洞编号：[CVE-2024-43168](https://nvd.nist.gov/vuln/detail/CVE-2024-43168)
 漏洞归属组件：[unbound](https://gitee.com/src-openeuler/unbound)
 漏洞归属的版本：1.10.1,1.11.0,1.13.2,1.17.0,1.17.1
 CVSS V3.0分值：
  BaseScore：4.8 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
 漏洞简述：
  A heap-buffer-overflow flaw was found in the cfg_mark_ports function within Unbound s config_file.c, which can lead to memory corruption. This issue could allow an attacker with local access to provide specially crafted input, potentially causing the application to crash or allowing arbitrary code execution. This could result in a denial of service or unauthorized actions on the system.
 漏洞公开时间：2024-08-12 21:38:36
 漏洞创建时间：2024-08-13 06:40:12
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-43168
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| secalert.redhat.com | https://access.redhat.com/security/cve/CVE-2024-43168 |  |
| secalert.redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2303462 |  |
| secalert.redhat.com | https://github.com/NLnetLabs/unbound/issues/1039 |  |
| secalert.redhat.com | https://github.com/NLnetLabs/unbound/pull/1040/files |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-43168 | https://bugzilla.suse.com/show_bug.cgi?id=1228958 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2303462 | https://bugzilla.suse.com/show_bug.cgi?id=1228958 |
| suse_bugzilla | https://github.com/NLnetLabs/unbound/issues/1039 | https://bugzilla.suse.com/show_bug.cgi?id=1228958 |
| suse_bugzilla | https://github.com/NLnetLabs/unbound/pull/1040 | https://bugzilla.suse.com/show_bug.cgi?id=1228958 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2024-43168 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://bugzilla.redhat.com/show_bug.cgi?id=2303462 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://github.com/NLnetLabs/unbound/issues/1039 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://github.com/NLnetLabs/unbound/pull/1040 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-43168 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-43168 | https://ubuntu.com/security/CVE-2024-43168 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-43168 | https://ubuntu.com/security/CVE-2024-43168 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-43168 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-43168 | https://explore.alas.aws.amazon.com/CVE-2024-43168.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-43168 | https://explore.alas.aws.amazon.com/CVE-2024-43168.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:
  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/NLnetLabs/unbound/pull/1040/files |  | secalert.redhat.com |
|  |  | https://github.com/NLnetLabs/unbound/pull/1040 |  | suse_bugzilla |
|  |  | https://github.com/NLnetLabs/unbound/pull/1040 |  | ubuntu |
|  |  | https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9 |  | debian |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
              unbound中config_file.c的cfg_mark_ports函数存在堆缓冲区溢出缺陷，该缺陷可能导致内存损坏。此缺陷允许具有本地访问权限的攻击者使用经特殊设计的输入，引发应用程序崩溃或允许执行任意代码，最终导致拒绝服务或对系统执行未经授权的操作。      
 openEuler评分：
  4.8
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
 受影响版本排查(受影响/不受影响)：
  1.master(1.17.1):受影响
2.openEuler-20.03-LTS-SP4(1.11.0):受影响
3.openEuler-22.03-LTS-SP1(1.13.2):受影响
4.openEuler-22.03-LTS-SP3(1.13.2):受影响
5.openEuler-22.03-LTS-SP4(1.13.2):受影响
6.openEuler-24.03-LTS(1.17.1):受影响
7.openEuler-24.03-LTS-Next(1.17.1):受影响

修复是否涉及abi变化(是/否)：
  1.master(1.17.1):否
2.openEuler-20.03-LTS-SP4(1.11.0):否
3.openEuler-22.03-LTS-SP1(1.13.2):否
4.openEuler-22.03-LTS-SP3(1.13.2):否
5.openEuler-22.03-LTS-SP4(1.13.2):否
6.openEuler-24.03-LTS(1.17.1):否
7.openEuler-24.03-LTS-Next(1.17.1):否

@MrRlu ,@zengwefeng ,@sunsuwan ,@robertxw ,@jiangheng12 ,@renmingshuai 
**issue处理注意事项:** 
**1. 当前issue受影响的分支提交pr时, 须在pr描述中填写当前issue编号进行关联, 否则无法关闭当前issue;**
**2. 模板内容需要填写完整, 无论是受影响或者不受影响都需要填写完整内容,未引入的分支不需要填写, 否则无法关闭当前issue;**
**3. 以下为模板中需要填写完整的内容, 请复制到评论区回复, 注: 内容的标题名称(影响性分析说明, openEuler评分, 受影响版本排查(受影响/不受影响), 修复是否涉及abi变化(是/否))不能省略,省略后cve-manager将无法正常解析填写内容.**
************************************************************************
影响性分析说明:

openEuler评分: (评分和向量)

受影响版本排查(受影响/不受影响): 
1.master(1.17.1):
2.openEuler-20.03-LTS-SP4(1.11.0):
3.openEuler-22.03-LTS-SP1(1.13.2):
4.openEuler-22.03-LTS-SP3(1.13.2):
5.openEuler-22.03-LTS-SP4(1.13.2):
6.openEuler-24.03-LTS(1.17.1):
7.openEuler-24.03-LTS-Next(1.17.1):

修复是否涉及abi变化(是/否)：
1.master(1.17.1):
2.openEuler-20.03-LTS-SP4(1.11.0):
3.openEuler-22.03-LTS-SP1(1.13.2):
4.openEuler-22.03-LTS-SP3(1.13.2):
5.openEuler-22.03-LTS-SP4(1.13.2):
6.openEuler-24.03-LTS(1.17.1):
7.openEuler-24.03-LTS-Next(1.17.1):

-----------------------------------------------------------------------
issue处理具体操作请参考: 
https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
pr关联issue具体操作请参考:
https://gitee.com/help/articles/4142

<table><tr><th white-space: nowrap;>参考网址</th> <th white-space: nowrap;>关联pr</th> <th white-space: nowrap;>状态</th> <th white-space: nowrap;>补丁链接</th></tr><tr><td rowspan="1">https://nvd.nist.gov/vuln/detail/CVE-2024-43168</td><td>https://github.com/NLnetLabs/unbound/pull/1040</td><td>closed</td><td><a href=https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9>https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9</a></td></tr><tr><td rowspan="1">https://ubuntu.com/security/CVE-2024-43168</td><td>None</td><td>None</td><td><a href=https://discourse.ubuntu.com/c/ubuntu-pro>https://discourse.ubuntu.com/c/ubuntu-pro</a></td></tr><tr><td rowspan="1">https://www.opencve.io/cve/CVE-2024-43168</td><td>https://github.com/NLnetLabs/unbound/pull/1040</td><td>closed</td><td><a href=https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9>https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9</a></td></tr><tr><td>https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2024-43168</td><td></td><td></td><td></td></tr><tr><td rowspan="1">https://security-tracker.debian.org/tracker/CVE-2024-43168</td><td>None</td><td>None</td><td><a href=https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9>https://github.com/NLnetLabs/unbound/commit/193401e7543a1e561dd634a3eaae932fa462a2b9</a></td></tr></table>

> 说明：补丁链接仅供初步排查参考，实际可用性请人工再次确认，补丁下载验证可使用[CVE补丁工具](https://gitee.com/openeuler/cve-manager/blob/master/cve-agency-manager/cve_tracking/README.md)。
若补丁不准确，烦请在此issue下评论 '/report-patch 参考网址 补丁链接1,补丁链接2' 反馈正确信息，便于我们不断优化工具，不胜感激。
如 /report-patch https://security-tracker.debian.org/tracker/CVE-2021-3997 https://github.com/systemd/systemd/commit/5b1cf7a9be37e20133c0208005274ce4a5b5c6a1

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