CVE-2024-12254

一、漏洞信息
 漏洞编号：[CVE-2024-12254](https://nvd.nist.gov/vuln/detail/CVE-2024-12254)
 漏洞归属组件：[python3](https://gitee.com/src-openeuler/python3)
 漏洞归属的版本：3.10.2,3.10.9,3.11.11,3.11.4,3.11.6,3.7.9,3.8.5,3.9.9
 CVSS V3.0分值：
  BaseScore：7.5 High
  Vector：CVSS：3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  Starting in Python 3.12.0, the asyncio._SelectorSocketTransport.writelines() method would not  pause  writing and signal to the Protocol to drain the buffer to the wire once the write buffer reached the  high-water mark . Because of this, Protocols would not periodically drain the write buffer potentially leading to memory exhaustion.This vulnerability likely impacts a small number of users, you must be using Python 3.12.0 or later, on macOS or Linux, using the asyncio module with protocols, and using .writelines() method which had new zero-copy-on-write behavior in Python 3.12.0 and later. If not all of these factors are true then your usage of Python is unaffected.
 漏洞公开时间：2024-12-07 00:15:20
 漏洞创建时间：2024-12-07 00:28:40
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2024-12254
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
| cna.python.org | https://github.com/python/cpython/commit/71e8429ac8e2adc10084ab5ec29a62f4b6671a82 |  |
| cna.python.org | https://github.com/python/cpython/commit/9aa0deb2eef2655a1029ba228527b152353135b5 |  |
| cna.python.org | https://github.com/python/cpython/commit/e991ac8f2037d78140e417cc9a9486223eb3e786 |  |
| cna.python.org | https://github.com/python/cpython/issues/127655 |  |
| cna.python.org | https://github.com/python/cpython/pull/127656 |  |
| cna.python.org | https://mail.python.org/archives/list/security-announce@python.org/thread/H4O3UBAOAQQXGT4RE3E4XQYR5XLROORB/ |  |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.openwall.com/lists/oss-security/2024/12/06/1 |  |
| af854a3a-2127-422b-91ae-364da2661108 | https://security.netapp.com/advisory/ntap-20250404-0010/ |  |
| suse_bugzilla | http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2024-12254 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://www.cve.org/CVERecord?id=CVE-2024-12254 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://github.com/python/cpython/commit/71e8429ac8e2adc10084ab5ec29a62f4b6671a82 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://github.com/python/cpython/commit/9aa0deb2eef2655a1029ba228527b152353135b5 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://github.com/python/cpython/issues/127655 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://github.com/python/cpython/pull/127656 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://mail.python.org/archives/list/security-announce@python.org/thread/H4O3UBAOAQQXGT4RE3E4XQYR5XLROORB/ | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| suse_bugzilla | https://seclists.org/oss-sec/2024/q4/145 | https://bugzilla.suse.com/show_bug.cgi?id=1234290 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:10978 | https://bugzilla.redhat.com/show_bug.cgi?id=2330804 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:10980 | https://bugzilla.redhat.com/show_bug.cgi?id=2330804 |
| redhat_bugzilla | https://access.redhat.com/errata/RHSA-2024:11035 | https://bugzilla.redhat.com/show_bug.cgi?id=2330804 |
| debian |  | https://security-tracker.debian.org/tracker/CVE-2024-12254 |
| amazon_linux_explore | https://access.redhat.com/security/cve/CVE-2024-12254 | https://explore.alas.aws.amazon.com/CVE-2024-12254.html |
| amazon_linux_explore | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-12254 | https://explore.alas.aws.amazon.com/CVE-2024-12254.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/python/cpython/commit/71e8429ac8e2adc10084ab5ec29a62f4b6671a82 |  | cna.python.org |
|  |  | https://github.com/python/cpython/commit/9aa0deb2eef2655a1029ba228527b152353135b5 |  | cna.python.org |
|  |  | https://github.com/python/cpython/commit/e991ac8f2037d78140e417cc9a9486223eb3e786 |  | cna.python.org |
|  |  | https://github.com/python/cpython/pull/127656 |  | cna.python.org |
|  |  | https://github.com/python/cpython/commit/71e8429ac8e2adc10084ab5ec29a62f4b6671a82 |  | suse_bugzilla |
|  |  | https://github.com/python/cpython/commit/9aa0deb2eef2655a1029ba228527b152353135b5 |  | suse_bugzilla |
|  |  | https://github.com/python/cpython/pull/127656 |  | suse_bugzilla |

</details>

二、漏洞分析结构反馈
 影响性分析说明：
  Starting in Python 3.12.0, the asyncio._SelectorSocketTransport.writelines() method would not  pause  writing and signal to the Protocol to drain the buffer to the wire once the write buffer reached the  high-water mark . Because of this, Protocols would not periodically drain the write buffer potentially leading to memory exhaustion.
 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(3.11.11):不受影响
2.openEuler-20.03-LTS-SP4(3.7.9):不受影响
3.openEuler-22.03-LTS-SP1(3.9.9):不受影响
4.openEuler-22.03-LTS-SP3(3.9.9):不受影响
5.openEuler-22.03-LTS-SP4(3.9.9):不受影响
6.openEuler-24.03-LTS(3.11.6):不受影响
7.openEuler-24.03-LTS-Next(3.11.6):不受影响
8.openEuler-24.03-LTS-SP1(3.11.6):不受影响

修复是否涉及abi变化(是/否)：
  1.master(3.11.11):否
2.openEuler-20.03-LTS-SP4(3.7.9):否
3.openEuler-22.03-LTS-SP1(3.9.9):否
4.openEuler-22.03-LTS-SP3(3.9.9):否
5.openEuler-22.03-LTS-SP4(3.9.9):否
6.openEuler-24.03-LTS(3.11.6):否
7.openEuler-24.03-LTS-Next(3.11.6):否
8.openEuler-24.03-LTS-SP1(3.11.6):否

原因说明：
  1.master(3.11.11):不受影响-漏洞代码不存在
2.openEuler-20.03-LTS-SP4(3.7.9):不受影响-漏洞代码不存在
3.openEuler-22.03-LTS-SP1(3.9.9):不受影响-漏洞代码不存在
4.openEuler-22.03-LTS-SP3(3.9.9):不受影响-漏洞代码不存在
5.openEuler-22.03-LTS-SP4(3.9.9):不受影响-漏洞代码不存在
6.openEuler-24.03-LTS(3.11.6):不受影响-漏洞代码不存在
7.openEuler-24.03-LTS-Next(3.11.6):不受影响-漏洞代码不存在
8.openEuler-24.03-LTS-SP1(3.11.6):不受影响-漏洞代码不存在

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