CVE-2024-9681

一、漏洞信息
 漏洞编号：[CVE-2024-9681](https://nvd.nist.gov/vuln/detail/CVE-2024-9681)
 漏洞归属组件：[curl](https://gitee.com/src-openeuler/curl)
 漏洞归属的版本：7.71.1,7.77.0,7.78.0,7.79.1,7.86.0,7.88.1,8.1.2,8.4.0
 CVSS V3.0分值：
  BaseScore：5.9 Medium
  Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
 漏洞简述：
  When curl is asked to use HSTS, the expiry time for a subdomain mightoverwrite a parent domain s cache entry, making it end sooner or later thanotherwise intended.This affects curl using applications that enable HSTS and use URLs with theinsecure `HTTP://` scheme and perform transfers with hosts like`x.example.com` as well as `example.com` where the first host is a subdomainof the second host.(The HSTS cache either needs to have been populated manually or there needs tohave been previous HTTPS accesses done as the cache needs to have entries forthe domains involved to trigger this problem.)When `x.example.com` responds with `Strict-Transport-Security:` headers, thisbug can make the subdomain s expiry timeout *bleed over* and get set for theparent domain `example.com` in curl s HSTS cache.The result of a triggered bug is that HTTP accesses to `example.com` getconverted to HTTPS for a different period of time than what was asked for bythe origin server. If `example.com` for example stops supporting HTTPS at itsexpiry time, curl might then fail to access `http://example.com` until the(wrongly set) timeout expires. This bug can also expire the parent s entry*earlier*, thus making curl inadvertently switch back to insecure HTTP earlierthan otherwise intended.
 漏洞公开时间：2024-11-06 16:15:03
 漏洞创建时间：2024-11-06 16:27:22
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-9681
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| 2499f714-1537-4658-8207-48ae4bb9eae9 | https://curl.se/docs/CVE-2024-9681.html |  |
| 2499f714-1537-4658-8207-48ae4bb9eae9 | https://curl.se/docs/CVE-2024-9681.json |  |
| 2499f714-1537-4658-8207-48ae4bb9eae9 | https://hackerone.com/reports/2764830 |  |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2024/11/06/2 |  |
| suse_bugzilla | https://smelt.suse.de/incident/36284/ | https://bugzilla.suse.com/show_bug.cgi?id=1232528 |
| suse_bugzilla | https://smelt.suse.de/incident/36283/ | https://bugzilla.suse.com/show_bug.cgi?id=1232528 |
| suse_bugzilla | https://smelt.suse.de/incident/36282/ | https://bugzilla.suse.com/show_bug.cgi?id=1232528 |
| redhat_bugzilla | http://example.com` | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| redhat_bugzilla | https://github.com/curl/curl/commit/7385610d0c74c6a25 | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| redhat_bugzilla | https://curl.se/docs/CVE-2024-9681.html | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| redhat_bugzilla | https://hackerone.com/reports/2764830 | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| redhat_bugzilla | https://github.com/curl/curl/commit/7385610d0c74c6a25 | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| redhat_bugzilla | https://github.com/curl/curl/commit/a94973805df96269bf | https://bugzilla.redhat.com/show_bug.cgi?id=2322969 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-9681 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0360.html |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-9681 | https://explore.alas.aws.amazon.com/CVE-2024-9681.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-9681 | https://explore.alas.aws.amazon.com/CVE-2024-9681.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/curl/curl/commit/7385610d0c74c6a25 |  | redhat_bugzilla |
|  |  | https://github.com/curl/curl/commit/a94973805df96269bf |  | redhat_bugzilla |
|  |  | https://curl.se/docs/CVE-2024-9681.html |  | nvd |
|  |  | https://curl.se/docs/CVE-2024-9681.json |  | nvd |
|  |  | https://hackerone.com/reports/2764830 |  | nvd |
|  |  | http://www.openwall.com/lists/oss-security/2024/11/06/2 |  | nvd |
|  |  | https://github.com/curl/curl/commit/a94973805df96269bf3f3bf0a20ccb9887313316 |  | debian |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  When curl is asked to use HSTS, the expiry time for a subdomain mightoverwrite a parent domain s cache entry, making it end sooner or later thanotherwise intended.This affects curl using applications that enable HSTS and use URLs with theinsecure HTTP:// scheme and perform transfers with hosts likex.example.com as well as example.com where the first host is a subdomainof the second host.(The HSTS cache either needs to have been populated manually or there needs tohave been previous HTTPS accesses done as the cache needs to have entries forthe domains involved to trigger this problem.)When x.example.com responds with Strict-Transport-Security: headers, thisbug can make the subdomain s expiry timeout bleed over and get set for theparent domain example.com in curl s HSTS cache.The result of a triggered bug is that HTTP accesses to example.com getconverted to HTTPS for a different period of time than what was asked for bythe origin server. If example.com for example stops supporting HTTPS at itsexpiry time, curl might then fail to access http://example.com until the(wrongly set) timeout expires. This bug can also expire the parent s entryearlier, thus making curl inadvertently switch back to insecure HTTP earlierthan otherwise intended.
 openEuler评分：
  5.9
 Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
 受影响版本排查(受影响/不受影响)：
  1.master(8.4.0):受影响
2.openEuler-22.03-LTS-SP1(7.79.1):受影响
3.openEuler-22.03-LTS-SP3(7.79.1):受影响
4.openEuler-22.03-LTS-SP4(7.79.1):受影响
5.openEuler-24.03-LTS(8.4.0):受影响
6.openEuler-24.03-LTS-Next(8.4.0):受影响
7.openEuler-20.03-LTS-SP4(7.71.1):不受影响

修复是否涉及abi变化(是/否)：
  1.master(8.4.0):否
2.openEuler-20.03-LTS-SP4(7.71.1):否
3.openEuler-22.03-LTS-SP1(7.79.1):否
4.openEuler-22.03-LTS-SP3(7.79.1):否
5.openEuler-22.03-LTS-SP4(7.79.1):否
6.openEuler-24.03-LTS(8.4.0):否
7.openEuler-24.03-LTS-Next(8.4.0):否

原因说明：
  1.master(8.4.0):正常修复
2.openEuler-22.03-LTS-SP1(7.79.1):正常修复
3.openEuler-22.03-LTS-SP3(7.79.1):正常修复
4.openEuler-22.03-LTS-SP4(7.79.1):正常修复
5.openEuler-24.03-LTS(8.4.0):正常修复
6.openEuler-24.03-LTS-Next(8.4.0):正常修复
7.openEuler-20.03-LTS-SP4(7.71.1):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-2024-2473

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