CVE-2024-45492

一、漏洞信息
 漏洞编号：[CVE-2024-45492](https://nvd.nist.gov/vuln/detail/CVE-2024-45492)
 漏洞归属组件：[xmlrpc-c](https://gitee.com/src-openeuler/xmlrpc-c)
 漏洞归属的版本：1.51.06,1.51.08,1.54.06,1.59.02
 CVSS V3.0分值：
  BaseScore：9.8 Critical
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
 漏洞简述：
  An issue was discovered in libexpat before 2.6.3. nextScaffoldPart in xmlparse.c can have an integer overflow for m_groupSize on 32-bit platforms (where UINT_MAX equals SIZE_MAX).
 漏洞公开时间：2024-08-30 11:15:03
 漏洞创建时间：2024-09-06 04:44:35
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-45492
<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 | https://github.com/libexpat/libexpat/issues/889 |  |
| cve.mitre.org | https://github.com/libexpat/libexpat/pull/892 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-45492 | https://bugzilla.suse.com/show_bug.cgi?id=1229932 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-45492 | https://bugzilla.suse.com/show_bug.cgi?id=1229932 |
| suse_bugzilla | https://github.com/libexpat/libexpat/issues/889 | https://bugzilla.suse.com/show_bug.cgi?id=1229932 |
| suse_bugzilla | https://github.com/libexpat/libexpat/pull/892 | https://bugzilla.suse.com/show_bug.cgi?id=1229932 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-45492 |
| cve_search |  | https://github.com/libexpat/libexpat/pull/892 |
| cve_search |  | https://github.com/libexpat/libexpat/issues/889 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-45492 | https://explore.alas.aws.amazon.com/CVE-2024-45492.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-45492 | https://explore.alas.aws.amazon.com/CVE-2024-45492.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/libexpat/libexpat/pull/892 |  | cve.mitre.org |
|  |  | https://github.com/libexpat/libexpat/pull/892 |  | suse_bugzilla |
|  |  | https://github.com/libexpat/libexpat/issues/889 |  | nvd |
|  |  | https://github.com/libexpat/libexpat/pull/892 |  | nvd |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  libexpat的xmlparse.c代码中，nextScaffoldPart接口中的m_groupSize变量在32位平台（UINT_MAX与SIZE_MAX相等）可能存在整型溢出问题，可能导致拒绝服务或恶意代码执行。该漏洞归属软件包为expat，xmlrpc-c内部在2001年为了用户使用方便拷贝了当时版本的expat源码并做了一些修改，漏洞涉及的接口nextScaffoldPart代码在expat中是在https://github.com/libexpat/libexpat/commit/c446fb274ebc043a3de34730f6bef169d13dc0e9 引入，在xmlrpc-c各分支代码中均不存在，因此不涉及。
 openEuler评分：
  9.8
 Vector：CVSS：3.0/AV:N/AC:L/PR:N/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(1.59.02):不受影响
2.openEuler-20.03-LTS-SP4(1.51.06):不受影响
3.openEuler-22.03-LTS-SP1(1.51.08):不受影响
4.openEuler-22.03-LTS-SP3(1.51.08):不受影响
5.openEuler-22.03-LTS-SP4(1.51.08):不受影响
6.openEuler-24.03-LTS(1.59.02):不受影响
7.openEuler-24.03-LTS-Next(1.59.02):不受影响

修复是否涉及abi变化(是/否)：
  1.master(1.59.02):否
2.openEuler-20.03-LTS-SP4(1.51.06):否
3.openEuler-22.03-LTS-SP1(1.51.08):否
4.openEuler-22.03-LTS-SP3(1.51.08):否
5.openEuler-22.03-LTS-SP4(1.51.08):否
6.openEuler-24.03-LTS(1.59.02):否
7.openEuler-24.03-LTS-Next(1.59.02):否

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