CVE-2025-40908

一、漏洞信息
 漏洞编号：[CVE-2025-40908](https://nvd.nist.gov/vuln/detail/CVE-2025-40908)
 漏洞归属组件：[perl-YAML-LibYAML](https://gitee.com/src-openeuler/perl-YAML-LibYAML)
 漏洞归属的版本：0.74,0.82,0.83,0.88,0.89,0.90
 CVSS V3.0分值：
  BaseScore：9.1 Critical
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
 漏洞简述：
  A vulnerability was found in TINITA YAML-LibYAML up to 0.902.x on Perl. It has been classified as problematic.CWE is classifying the issue as CWE-552. The product makes files or directories accessible to unauthorized actors, even though they should not be.This is going to have an impact on confidentiality.Upgrading to version 0.903.0 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
 漏洞公开时间：2025-06-01 22:15:21
 漏洞创建时间：2025-06-03 15:55:06
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-40908
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://github.com/ingydotnet/yaml-libyaml-pm/issues/120 |  |
|  | https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 |  |
|  | https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-40908 |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2369630 |  |
|  | https://ubuntu.com/security/CVE-2025-40908 |  |
|  | https://www.cve.org/CVERecord?id=CVE-2025-40908 |  |
|  | https://lists.security.metacpan.org/cve-announce/msg/30071726/ |  |
|  | https://security-tracker.debian.org/tracker/CVE-2025-40908 |  |
|  | https://access.redhat.com/security/cve/CVE-2025-40908 |  |
|  | https://access.redhat.com/security/cve/cve-2025-40908 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2025-40908 |  |

</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  |
| ------- | -------- | ------- | -------- | --------- |
| ingydotnet/yaml-libyaml-pm |  | https://github.com/ingydotnet/yaml-libyaml-pm/commit/5fe9daed726c06900c3cd41a739460057bec6dc3.patch |  | ljqc |
|  |  | https://github.com/ingydotnet/yaml-libyaml-pm/pull/121 |  | nvd |
|  |  | https://github.com/ingydotnet/yaml-libyaml-pm/pull/122 |  | nvd |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  YAML-LibYAML prior to 0.903.0 for Perl uses 2-args open, allowing existing files to be modified
 openEuler评分：
  9.1
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP4(0.74):受影响
2.openEuler-22.03-LTS-SP3(0.83):受影响
3.openEuler-22.03-LTS-SP4(0.83):受影响
4.openEuler-24.03-LTS(0.88):受影响
5.openEuler-24.03-LTS-Next(0.88):受影响
6.openEuler-24.03-LTS-SP1(0.88):受影响
7.openEuler-24.03-LTS-SP2(0.88):受影响
8.master(0.904.0):不受影响

修复是否涉及abi变化(是/否)：
  1.master(0.904.0):否
2.openEuler-20.03-LTS-SP4(0.74):否
3.openEuler-22.03-LTS-SP3(0.83):否
4.openEuler-24.03-LTS(0.88):否
5.openEuler-24.03-LTS-Next(0.88):否
6.openEuler-22.03-LTS-SP4(0.83):否
7.openEuler-24.03-LTS-SP1(0.88):否
8.openEuler-24.03-LTS-SP2(0.88):否

原因说明：
  1.openEuler-20.03-LTS-SP4(0.74):正常修复
2.openEuler-22.03-LTS-SP3(0.83):正常修复
3.openEuler-24.03-LTS(0.88):正常修复
4.openEuler-24.03-LTS-Next(0.88):正常修复
5.openEuler-22.03-LTS-SP4(0.83):正常修复
6.openEuler-24.03-LTS-SP1(0.88):正常修复
7.openEuler-24.03-LTS-SP2(0.88):正常修复
8.master(0.904.0):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-2025-1591

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