CVE-2023-48733

一、漏洞信息
 漏洞编号：[CVE-2023-48733](https://nvd.nist.gov/vuln/detail/CVE-2023-48733)
 漏洞归属组件：[edk2](https://gitee.com/src-openeuler/edk2)
 漏洞归属的版本：202002,202011,202308
 CVSS V3.0分值：
  BaseScore：6.7 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  An insecure default to allow UEFI Shell in EDK2 was left enabled in Ubuntu s EDK2. This allows an OS-resident attacker to bypass Secure Boot.
 漏洞公开时间：2024-02-15 06:15:47
 漏洞创建时间：2024-02-15 20:34:04
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2023-48733
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| security.ubuntu.com | https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 |  |
| security.ubuntu.com | https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 |  |
| security.ubuntu.com | https://nvd.nist.gov/vuln/detail/CVE-2023-48733 |  |
| security.ubuntu.com | https://www.openwall.com/lists/oss-security/2024/02/14/4 |  |
| ubuntu | https://www.openwall.com/lists/oss-security/2024/02/14/4 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://ubuntu.com/security/notices/USN-6638-1 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2023-48733 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2023-48733 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2023-48733 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2023-48733 | https://ubuntu.com/security/CVE-2023-48733 |
| ubuntu | https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 | https://ubuntu.com/security/CVE-2023-48733 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2023-48733 |
| cve_search |  | https://bugs.launchpad.net/ubuntu/+source/edk2/+bug/2040137 |
| cve_search |  | https://nvd.nist.gov/vuln/detail/CVE-2023-48733 |
| cve_search |  | https://www.openwall.com/lists/oss-security/2024/02/14/4 |
| cve_search |  | https://bugs.launchpad.net/ubuntu/+source/lxd/+bug/2040139 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2023-48733 | https://explore.alas.aws.amazon.com/CVE-2023-48733.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-48733 | https://explore.alas.aws.amazon.com/CVE-2023-48733.html |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-48733 | https://ubuntu.com/security/CVE-2023-48733 |

</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://bugzilla.suse.com/attachment.cgi?id=872719 |  | suse_bugzilla |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
                                                                                                                                                  
 openEuler评分：
  6.7
 Vector：CVSS：3.0/AV:L/AC:L/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(202308):
2.openEuler-20.03-LTS-SP1(202002):
3.openEuler-20.03-LTS-SP4(202002):
4.openEuler-22.03-LTS(202011):
5.openEuler-22.03-LTS-Next(202011):
6.openEuler-22.03-LTS-SP1(202011):
7.openEuler-22.03-LTS-SP2(202011):
8.openEuler-22.03-LTS-SP3(202011):
9.openEuler-24.03-LTS-Next(202308):
10.openEuler-22.03-LTS-SP4(202011):
11.openEuler-24.03-LTS(202308):

修复是否涉及abi变化(是/否)：
  1.master(202308):
2.openEuler-20.03-LTS-SP1(202002):
3.openEuler-20.03-LTS-SP4(202002):
4.openEuler-22.03-LTS(202011):
5.openEuler-22.03-LTS-Next(202011):
6.openEuler-22.03-LTS-SP1(202011):
7.openEuler-22.03-LTS-SP2(202011):
8.openEuler-22.03-LTS-SP3(202011):
9.openEuler-24.03-LTS-Next(202308):
10.openEuler-22.03-LTS-SP4(202011):

@RootWB ,@cellfaint ,@zhendongchen ,@Chuan-Zheng ,@imxcc ,@kevinzhu1 ,@frankyj915 ,@yezengruan ,@ooorz ,@caojinhuahw 
**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(202011):
2.openEuler-20.03-LTS-SP1(202002):
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(202011):
5.openEuler-22.03-LTS-Next(202011):
6.openEuler-22.03-LTS-SP1(202011):
7.openEuler-22.03-LTS-SP2:
8.openEuler-22.03-LTS-SP3:

修复是否涉及abi变化(是/否)：
1.master(202011):
2.openEuler-20.03-LTS-SP1(202002):
3.openEuler-20.03-LTS-SP4:
4.openEuler-22.03-LTS(202011):
5.openEuler-22.03-LTS-Next(202011):
6.openEuler-22.03-LTS-SP1(202011):
7.openEuler-22.03-LTS-SP2:
8.openEuler-22.03-LTS-SP3:

-----------------------------------------------------------------------
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>https://nvd.nist.gov/vuln/detail/CVE-2023-48733</td><td></td><td></td><td></td></tr><tr><td rowspan="1">https://ubuntu.com/security/CVE-2023-48733</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>https://www.opencve.io/cve/CVE-2023-48733</td><td></td><td></td><td></td></tr><tr><td>https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2023-48733</td><td></td><td></td><td></td></tr><tr><td>https://security-tracker.debian.org/tracker/CVE-2023-48733</td><td></td><td></td><td></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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CVE-2023-48733

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