CVE-2023-52425

一、漏洞信息
 漏洞编号：[CVE-2023-52425](https://nvd.nist.gov/vuln/detail/CVE-2023-52425)
 漏洞归属组件：[expat](https://gitee.com/src-openeuler/expat)
 漏洞归属的版本：2.2.10,2.2.9,2.4.1,2.4.4,2.4.6,2.4.8,2.5.0,2.6.0
 CVSS V3.0分值：
  BaseScore：7.5 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  libexpat through 2.5.0 allows a denial of service (resource consumption) because many full reparsings are required in the case of a large token for which multiple buffer fills are needed.
 漏洞公开时间：2024-02-05 04:15:46
 漏洞创建时间：2024-02-05 07:40:11
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2023-52425
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| cve.mitre.org | http://www.openwall.com/lists/oss-security/2024/03/20/5 |  |
| cve.mitre.org | https://github.com/libexpat/libexpat/pull/789 |  |
| cve.mitre.org | https://lists.debian.org/debian-lts-announce/2024/04/msg00006.html |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/ |  |
| cve.mitre.org | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/ |  |
| cve.mitre.org | https://security.netapp.com/advisory/ntap-20240614-0003/ |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-52425 | https://bugzilla.suse.com/show_bug.cgi?id=1219559 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2023-52425 | https://bugzilla.suse.com/show_bug.cgi?id=1219559 |
| suse_bugzilla | https://github.com/libexpat/libexpat/pull/789 | https://bugzilla.suse.com/show_bug.cgi?id=1219559 |
| redhat_bugzilla | https://github.com/libexpat/libexpat/pull/789 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://github.com/libexpat/libexpat/commit/34b598c5f594b015c513c73f06e7ced3323edbf1 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:1530 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:1615 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2575 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:2839 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:3926 | https://bugzilla.redhat.com/show_bug.cgi?id=2262877 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2023-52425 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2023-52425 |
| cve_search |  | https://github.com/libexpat/libexpat/pull/789 |
| mageia |  | http://advisories.mageia.org/MGASA-2024-0072.html |
| osv | https://github.com/libexpat/libexpat/pull/789 | https://osv.dev/vulnerability/CVE-2023-52425 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PNRIHC7DVVRAIWFRGV23Y6UZXFBXSQDB/ | https://osv.dev/vulnerability/CVE-2023-52425 |
| osv | https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WNUBSGZFEZOBHJFTAD42SAN4ATW2VEMV/ | https://osv.dev/vulnerability/CVE-2023-52425 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2023-52425 | https://explore.alas.aws.amazon.com/CVE-2023-52425.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52425 | https://explore.alas.aws.amazon.com/CVE-2023-52425.html |
| snyk | https://github.com/libexpat/libexpat/commit/34b598c5f594b015c513c73f06e7ced3323edbf1 | https://security.snyk.io/vuln/SNYK-UNMANAGED-LIBEXPATLIBEXPAT-6227955 |
| snyk | https://github.com/libexpat/libexpat/pull/789 | https://security.snyk.io/vuln/SNYK-UNMANAGED-LIBEXPATLIBEXPAT-6227955 |
| ubuntu | https://github.com/libexpat/libexpat/pull/789 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://ubuntu.com/security/notices/USN-6694-1 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2023-52425 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2023-52425 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2023-52425 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2023-52425 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1063238 | https://ubuntu.com/security/CVE-2023-52425 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-52425 | https://ubuntu.com/security/CVE-2023-52425 |
| cve.mitre.org | https://github.com/libexpat/libexpat/pull/789 |  |

</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/libexpat/libexpat/pull/789 |  | cve.mitre.org |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | suse_bugzilla |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | redhat_bugzilla |
|  |  | https://github.com/libexpat/libexpat/commit/34b598c5f594b015c513c73f06e7ced3323edbf1 |  | redhat_bugzilla |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | osv |
|  |  | https://github.com/libexpat/libexpat/commit/34b598c5f594b015c513c73f06e7ced3323edbf1 |  | snyk |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | snyk |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | nvd |
|  |  | https://github.com/libexpat/libexpat/pull/789 |  | ubuntu |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
    expat在解析xml文档中需要多个缓冲区填充才能完成的大的符号时，会多次重新解析该符号，这个过程会导致资源的过度消耗，导致拒绝服务。 
 openEuler评分：
  7.5
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.master(2.4.4):受影响
2.openEuler-20.03-LTS-SP1(2.2.9):受影响
3.openEuler-20.03-LTS-SP4(2.2.9):受影响
4.openEuler-22.03-LTS(2.4.1):受影响
5.openEuler-22.03-LTS-Next(2.4.1):受影响
6.openEuler-22.03-LTS-SP1(2.4.1):受影响
7.openEuler-22.03-LTS-SP2(2.4.1):受影响
8.openEuler-22.03-LTS-SP3(2.4.1):受影响
9.openEuler-24.03-LTS(2.5.0):受影响
10.openEuler-24.03-LTS-Next(2.5.0):受影响
11.openEuler-22.03-LTS-SP4(2.4.1):不受影响

修复是否涉及abi变化(是/否)：
  1.master(2.4.4):是
2.openEuler-20.03-LTS-SP1(2.2.9):是
3.openEuler-20.03-LTS-SP4(2.2.9):是
4.openEuler-22.03-LTS(2.4.1):是
5.openEuler-22.03-LTS-Next(2.4.1):是
6.openEuler-22.03-LTS-SP1(2.4.1):是
7.openEuler-22.03-LTS-SP2(2.4.1):是
8.openEuler-22.03-LTS-SP3(2.4.1):是
9.openEuler-24.03-LTS(2.5.0):是
10.openEuler-24.03-LTS-Next(2.5.0):是
11.openEuler-22.03-LTS-SP4(2.4.1):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1741

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