CVE-2021-3588

一、漏洞信息
 漏洞编号：[CVE-2021-3588](https://nvd.nist.gov/vuln/detail/CVE-2021-3588)
 漏洞归属组件：[bluez](https://gitee.com/src-openeuler/bluez)
 漏洞归属的版本：5.50,5.54
 CVSS V3.0分值：
  BaseScore：3.3 Low
  Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
 漏洞简述：
  The cli_feat_read_cb() function in src/gatt-database.c does not perform bounds checks on the  offset  variable before using it as an index into an array for reading.
 漏洞公开时间：2021-06-10 11:15
 漏洞创建时间：2021-06-22 05:00:08
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-3588
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| MISC | https://github.com/bluez/bluez/issues/70 |  |
| nvd | https://access.redhat.com/security/cve/CVE-2021-3588 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3588 |  |
| suse_bugzilla | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3588 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3588
> http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3588
> https://github.com/bluez/bluez/issues/70

Fixed patches:
3a40bef49 gatt: Fix potential buffer out-of-bound (tags/5.56 |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2021-3588
> > http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3588
> > https://github.com/bluez/bluez/issues/70
> 
> Fixed patches:
> 3a40bef49 gatt: Fix potential buffer out-of-bound (tags/5.56 |  |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3588 |  |
| ubuntu | https://ubuntu.com/security/notices/USN-4989-1 |  |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2021-3588 |  |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2021-3588 |  |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2021-3588 |  |
| ubuntu | https://github.com/bluez/bluez/issues/70 |  |
| ubuntu | https://bugs.launchpad.net/ubuntu/+source/bluez/+bug/1926548 |  |
| debian | https://security-tracker.debian.org/tracker/CVE-2021-3588 |  |

</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:
  其它
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</details>

二、漏洞分析结构反馈
 影响性分析说明：
    src/gatt-database.c 中的 cli_feat_read_cb() 函数在将  offset  变量用作读取数组的索引之前不会对其执行边界检查。 
 openEuler评分：
  3.3
 Vector：CVSS：3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
 受影响版本排查(受影响/不受影响)：
  1.openEuler-20.03-LTS-SP1(5.54):受影响
2.openEuler-20.03-LTS-SP2(5.54):受影响
3.openEuler-20.03-LTS-Next(5.54):受影响
4.openEuler-20.03-LTS(5.54):受影响
5.master(5.54):受影响

修复是否涉及abi变化(是/否)：
  1.openEuler-20.03-LTS-SP1(5.54):否
2.openEuler-20.03-LTS-SP2(5.54):否
3.openEuler-20.03-LTS-Next(5.54):否
4.openEuler-20.03-LTS(5.54):否
5.master(5.54):否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2021-1254

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