CVE-2021-33450

一、漏洞信息
 漏洞编号：[CVE-2021-33450](https://nvd.nist.gov/vuln/detail/CVE-2021-33450)
 漏洞归属组件：[nasm](https://gitee.com/src-openeuler/nasm)
 漏洞归属的版本：2.15.03,2.15.05
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
 漏洞简述：
  An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_calloc() in nasmlib/alloc.c.
 漏洞公开时间：2022-07-26 21:15:09
 漏洞创建时间：2022-07-27 02:01:41
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-33450
<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://bugzilla.nasm.us/show_bug.cgi?id=3392758 |  |
| cve.mitre.org | https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-33450 | https://bugzilla.suse.com/show_bug.cgi?id=1201895 |
| suse_bugzilla | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33450 | https://bugzilla.suse.com/show_bug.cgi?id=1201895 |
| suse_bugzilla | https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d | https://bugzilla.suse.com/show_bug.cgi?id=1201895 |
| suse_bugzilla | https://bugzilla.nasm.us/show_bug.cgi?id=3392758 | https://bugzilla.suse.com/show_bug.cgi?id=1201895 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33450 | https://ubuntu.com/security/CVE-2021-33450 |
| ubuntu | https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d | https://ubuntu.com/security/CVE-2021-33450 |
| ubuntu | https://bugzilla.nasm.us/show_bug.cgi?id=3392758 | https://ubuntu.com/security/CVE-2021-33450 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-33450 | https://ubuntu.com/security/CVE-2021-33450 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-33450 | https://ubuntu.com/security/CVE-2021-33450 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-33450 | https://ubuntu.com/security/CVE-2021-33450 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2021-33450 |
| anolis |  | https://anas.openanolis.cn/cves/detail/CVE-2021-33450 |
| cve_search |  | https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d |
| cve_search |  | https://bugzilla.nasm.us/show_bug.cgi?id=3392758 |

</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.nasm.us/show_bug.cgi?id=3392758 |  | nvd |
|  |  | https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d |  | nvd |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  An issue was discovered in NASM version 2.16rc0. There are memory leaks in nasm_calloc() in nasmlib/alloc.c.
 openEuler评分：
  5.5
 Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.master(2.16.03):受影响
2.openEuler-20.03-LTS-SP4(2.15.05):受影响
3.openEuler-22.03-LTS-SP3(2.15.05):受影响
4.openEuler-22.03-LTS-SP4(2.15.05):受影响
5.openEuler-24.03-LTS(2.16.01):受影响
6.openEuler-24.03-LTS-Next(2.16.01):受影响
7.openEuler-24.03-LTS-SP1(2.16.01):受影响
8.openEuler-24.03-LTS-SP2(2.16.01):

修复是否涉及abi变化(是/否)：
  1.master(2.16.03):否
2.openEuler-20.03-LTS-SP4(2.15.05):否
3.openEuler-22.03-LTS-SP3(2.15.05):否
4.openEuler-22.03-LTS-SP4(2.15.05):否
5.openEuler-24.03-LTS(2.16.01):否
6.openEuler-24.03-LTS-Next(2.16.01):否
7.openEuler-24.03-LTS-SP1(2.16.01):否
8.openEuler-24.03-LTS-SP2(2.16.01):

原因说明：
  1.master(2.16.03):暂不修复-暂无解决方案或补丁
2.openEuler-20.03-LTS-SP4(2.15.05):暂不修复-暂无解决方案或补丁
3.openEuler-22.03-LTS-SP3(2.15.05):暂不修复-暂无解决方案或补丁
4.openEuler-22.03-LTS-SP4(2.15.05):暂不修复-暂无解决方案或补丁
5.openEuler-24.03-LTS(2.16.01):暂不修复-暂无解决方案或补丁
6.openEuler-24.03-LTS-Next(2.16.01):暂不修复-暂无解决方案或补丁
7.openEuler-24.03-LTS-SP1(2.16.01):暂不修复-暂无解决方案或补丁
8.openEuler-24.03-LTS-SP2(2.16.01):

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