CVE-2024-27280

一、漏洞信息
 漏洞编号：[CVE-2024-27280](https://nvd.nist.gov/vuln/detail/CVE-2024-27280)
 漏洞归属组件：[ruby](https://gitee.com/src-openeuler/ruby)
 漏洞归属的版本：2.5.8,3.0.3,3.1.3,3.2.2
 CVSS V2.0分值：
  BaseScore：0.0 Low
  Vector：CVSS：2.0/
 漏洞简述：
  A buffer overread flaw was found in rubygem StringIO. The ungetbyte and ungetc methods on a StringIO object can read past the end of a string, and a subsequent call to StringIO.gets may return the memory value.
 漏洞公开时间：
 漏洞创建时间：2024-03-22 03:24:54
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-27280
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-27280 | https://bugzilla.suse.com/show_bug.cgi?id=1221851 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2270749 | https://bugzilla.suse.com/show_bug.cgi?id=1221851 |
| suse_bugzilla | https://bugzilla.redhat.com/show_bug.cgi?id=2270750 | https://bugzilla.suse.com/show_bug.cgi?id=1221851 |
| ubuntu | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-27280 | https://ubuntu.com/security/CVE-2024-27280 |
| ubuntu | https://www.ruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280/ | https://ubuntu.com/security/CVE-2024-27280 |
| ubuntu | https://nvd.nist.gov/vuln/detail/CVE-2024-27280 | https://ubuntu.com/security/CVE-2024-27280 |
| ubuntu | https://launchpad.net/bugs/cve/CVE-2024-27280 | https://ubuntu.com/security/CVE-2024-27280 |
| ubuntu | https://security-tracker.debian.org/tracker/CVE-2024-27280 | https://ubuntu.com/security/CVE-2024-27280 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-27280 |
| ruby |  | https://github.com/rubysec/ruby-advisory-db/gems/stringio/CVE-2024-27280.yml |
| github_advisory | https://github.com/ruby/stringio/commit/0e596524097706263d10900ca180898e4a8f5233 | https://github.com/advisories/GHSA-v5h6-c2hv-hv3r |
| github_advisory | https://github.com/ruby/stringio/commit/c58c5f54f1eab99665ea6a161d29ff6a7490afc8 | https://github.com/advisories/GHSA-v5h6-c2hv-hv3r |
| github_advisory | https://www.ruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280 | https://github.com/advisories/GHSA-v5h6-c2hv-hv3r |
| github_advisory | https://github.com/rubysec/ruby-advisory-db/blob/master/gems/stringio/CVE-2024-27280.yml | https://github.com/advisories/GHSA-v5h6-c2hv-hv3r |
| snyk | https://www.ruby-lang.org/en/news/2024/03/21/buffer-overread-cve-2024-27280/ | https://security.snyk.io/vuln/SNYK-RUBY-STRINGIO-6476910 |
| snyk | https://github.com/ruby/stringio/commit/c58c5f54f1eab99665ea6a161d29ff6a7490afc8 | https://security.snyk.io/vuln/SNYK-RUBY-STRINGIO-6476910 |
| snyk | https://bugzilla.redhat.com/show_bug.cgi?id=2270750 | https://security.snyk.io/vuln/SNYK-RUBY-STRINGIO-6476910 |

</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/ruby/stringio/commit/0e596524097706263d10900ca180898e4a8f5233 |  | github_advisory |
|  |  | https://github.com/ruby/stringio/commit/c58c5f54f1eab99665ea6a161d29ff6a7490afc8 |  | github_advisory |
|  |  | https://github.com/ruby/stringio/commit/c58c5f54f1eab99665ea6a161d29ff6a7490afc8 |  | snyk |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
                stringio 3.0.2及以前版本存在缓冲区过度读取漏洞，这是因为StringIO上的ungetbyte和ungetc方法可以读取字符串的末尾，并且对StringIO.gets的后续调用可能会返回内存值。       
 openEuler评分：
  3.1
 Vector：CVSS：2.0/AV:N/AC:H/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(2.5.8):受影响
2.openEuler-20.03-LTS-SP4(2.5.8):受影响
3.openEuler-22.03-LTS(3.0.3):受影响
4.openEuler-22.03-LTS-Next(3.0.3):受影响
5.openEuler-22.03-LTS-SP1(3.0.3):受影响
6.openEuler-22.03-LTS-SP2(3.0.3):受影响
7.openEuler-22.03-LTS-SP3(3.0.3):受影响
8.master(3.2.2):不受影响
9.openEuler-24.03-LTS:不受影响

修复是否涉及abi变化(是/否)：
  1.master(3.2.2):否
2.openEuler-20.03-LTS-SP1(2.5.8):否
3.openEuler-20.03-LTS-SP4(2.5.8):否
4.openEuler-22.03-LTS(3.0.3):否
5.openEuler-22.03-LTS-Next(3.0.3):否
6.openEuler-22.03-LTS-SP1(3.0.3):否
7.openEuler-22.03-LTS-SP2(3.0.3):否
8.openEuler-22.03-LTS-SP3(3.0.3):否
9.openEuler-24.03-LTS:否

三、漏洞修复
安全公告链接：https://www.openeuler.org/zh/security/safety-bulletin/detail/?id=openEuler-SA-2024-1433

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