CVE-2025-0689

一、漏洞信息
 漏洞编号：[CVE-2025-0689](https://nvd.nist.gov/vuln/detail/CVE-2025-0689)
 漏洞归属组件：[grub2](https://gitee.com/src-openeuler/grub2)
 漏洞归属的版本：2.04,2.06,2.12
 CVSS V3.0分值：
  BaseScore：6.4 Medium
  Vector：CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  When reading data from disk, the grub s UDF filesystem module utilizes the user controlled data length metadata to allocate its internal buffers. In certain scenarios, while iterating through disk sectors, it assumes the read size from the disk is always smaller than the allocated buffer size which is not guaranteed. A crafted filesystem image may lead to a heap-based buffer overflow resulting in critical data to be corrupted, resulting in the risk of arbitrary code execution by-passing secure boot protections.
 漏洞公开时间：2025-03-03 23:15:16
 漏洞创建时间：2025-02-19 04:42:23
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2025-0689
<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-2025-0689 |  |
| secalert.redhat.com | https://bugzilla.redhat.com/show_bug.cgi?id=2346122 |  |
| secalert.redhat.com | https://lists.gnu.org/archive/html/grub-devel/2025-02/msg00024.html |  |
| suse_bugzilla | https://smelt.suse.de/incident/37157/ | https://bugzilla.suse.com/show_bug.cgi?id=1237011 |
| suse_bugzilla | https://smelt.suse.de/incident/37156/ | https://bugzilla.suse.com/show_bug.cgi?id=1237011 |
| suse_bugzilla | https://smelt.suse.de/incident/37155/ | https://bugzilla.suse.com/show_bug.cgi?id=1237011 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2025-0689 | https://explore.alas.aws.amazon.com/CVE-2025-0689.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-0689 | https://explore.alas.aws.amazon.com/CVE-2025-0689.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>

无
</details>

二、漏洞分析结构反馈
 影响性分析说明：
  从硬盘读取数据时，grub2的UDF文件系统模块利用用户控制的数据长度元数据来分配其内部缓冲区。在某些情况下，在迭代硬盘扇区时，它未检查读取的数据长度是否大于分配的缓冲区大小，可能引发缓冲区溢出，导致关键数据损坏。攻击者可利用该漏洞执行任意代码从而绕过安全启动机制。
 openEuler评分：
  6.4
 Vector：CVSS：3.0/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
 受影响版本排查(受影响/不受影响)：
  1.master(2.12):受影响
2.openEuler-20.03-LTS-SP4(2.04):受影响
3.openEuler-22.03-LTS-SP3(2.06):受影响
4.openEuler-22.03-LTS-SP4(2.06):受影响
5.openEuler-24.03-LTS(2.12):受影响
6.openEuler-24.03-LTS-Next(2.12):受影响
7.openEuler-24.03-LTS-SP1(2.12):受影响

修复是否涉及abi变化(是/否)：
  1.master(2.12):否
2.openEuler-20.03-LTS-SP4(2.04):否
3.openEuler-22.03-LTS-SP3(2.06):否
4.openEuler-22.03-LTS-SP4(2.06):否
5.openEuler-24.03-LTS(2.12):否
6.openEuler-24.03-LTS-Next(2.12):否
7.openEuler-24.03-LTS-SP1(2.12):否

原因说明：
  1.master(2.12):正常修复
2.openEuler-20.03-LTS-SP4(2.04):正常修复
3.openEuler-22.03-LTS-SP3(2.06):正常修复
4.openEuler-22.03-LTS-SP4(2.06):正常修复
5.openEuler-24.03-LTS(2.12):正常修复
6.openEuler-24.03-LTS-Next(2.12):正常修复
7.openEuler-24.03-LTS-SP1(2.12):正常修复

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2025-1292

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