CVE-2023-46049

一、漏洞信息
 漏洞编号：[CVE-2023-46049](https://nvd.nist.gov/vuln/detail/CVE-2023-46049)
 漏洞归属组件：[llvm](https://gitee.com/src-openeuler/llvm)
 漏洞归属的版本：10.0.1,11.0.0,12.0.1,13.0.1,15.0.7,17.0.6,7.0.0
 CVSS V3.0分值：
  BaseScore：0.0 None
  Vector：CVSS：3.0/
 漏洞简述：
  LLVM 15.0.0 has a NULL pointer dereference in the parseOneMetadata() function via a crafted pdflatex.fmt file (or perhaps a crafted .o file) to llvm-lto. NOTE: this is disputed because the relationship between pdflatex.fmt and any LLVM language front end is not explained, and because a crash of the llvm-lto application should be categorized as a usability problem.
 漏洞公开时间：2024-03-27 14:15:10
 漏洞创建时间：2024-03-27 06:28:43
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2023-46049
<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://seclists.org/fulldisclosure/2024/Jan/66 |  |
| cve.mitre.org | https://github.com/llvm/llvm-project/issues/67388 |  |
| cve.mitre.org | https://llvm.org/docs/Security.html |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2023-46049 | https://bugzilla.suse.com/show_bug.cgi?id=1222059 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2023-46049 | https://bugzilla.suse.com/show_bug.cgi?id=1222059 |
| suse_bugzilla | http://seclists.org/fulldisclosure/2024/Jan/66 | https://bugzilla.suse.com/show_bug.cgi?id=1222059 |
| suse_bugzilla | https://github.com/llvm/llvm-project/issues/67388 | https://bugzilla.suse.com/show_bug.cgi?id=1222059 |
| suse_bugzilla | https://llvm.org/docs/Security.html | https://bugzilla.suse.com/show_bug.cgi?id=1222059 |
| ubuntu | https://github.com/llvm/llvm-project/issues/67388 | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | http://seclists.org/fulldisclosure/2024/Jan/66 | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | https://llvm.org/docs/Security.html | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | https://www.cve.org/CVERecord?id=CVE-2023-46049 | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2023-46049 | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2023-46049 | https://ubuntu.com/security/CVE-2023-46049 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2023-46049 | https://ubuntu.com/security/CVE-2023-46049 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2023-46049 |
| cve_search |  | https://github.com/llvm/llvm-project/issues/67388 |
| cve_search |  | http://seclists.org/fulldisclosure/2024/Jan/66 |
| cve_search |  | https://llvm.org/docs/Security.html |
| snyk | https://github.com/llvm/llvm-project/commit/c2515a8f2be5dd23354c9891f41ad104000f88c4 | https://security.snyk.io/vuln/SNYK-UNMANAGED-LLVM-6515712 |
| snyk | https://github.com/llvm/llvm-project/issues/67388 | https://security.snyk.io/vuln/SNYK-UNMANAGED-LLVM-6515712 |
| snyk | http://seclists.org/fulldisclosure/2024/Jan/66 | https://security.snyk.io/vuln/SNYK-UNMANAGED-LLVM-6515712 |

</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/llvm/llvm-project/commit/c2515a8f2be5dd23354c9891f41ad104000f88c4 |  | snyk |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  llvm-project 3.5版本[引入](https://github.com/llvm/llvm-project/commit/da41af9e9423eeb435bbf64f94649726569ae45b)，llvm-lto 工具问题，需要回合[patch](https://github.com/llvm/llvm-project/commit/c2515a8f2be5dd23354c9891f41ad104000f88c4)解决
 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(17.0.6):受影响
2.openEuler-20.03-LTS-SP1(10.0.1):受影响
3.openEuler-20.03-LTS-SP4(10.0.1):受影响
4.openEuler-22.03-LTS(12.0.1):受影响
5.openEuler-22.03-LTS-Next(12.0.1):受影响
6.openEuler-22.03-LTS-SP1(12.0.1):受影响
7.openEuler-22.03-LTS-SP2(12.0.1):受影响
8.openEuler-22.03-LTS-SP3(12.0.1):受影响
9.openEuler-24.03-LTS(17.0.6):受影响
10.openEuler-24.03-LTS-Next(17.0.6):受影响
11.openEuler-22.03-LTS-SP4(12.0.1):不受影响

修复是否涉及abi变化(是/否)：
  1.master(17.0.6):是
2.openEuler-20.03-LTS-SP1(10.0.1):是
3.openEuler-20.03-LTS-SP4(10.0.1):是
4.openEuler-22.03-LTS(12.0.1):是
5.openEuler-22.03-LTS-Next(12.0.1):是
6.openEuler-22.03-LTS-SP1(12.0.1):是
7.openEuler-22.03-LTS-SP2(12.0.1):是
8.openEuler-22.03-LTS-SP3(12.0.1):是
9.openEuler-24.03-LTS(17.0.6):是
10.openEuler-24.03-LTS-Next(17.0.6):是
11.openEuler-22.03-LTS-SP4(12.0.1):否

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