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CVE-2023-39326
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#I8XNZD
CVE和安全问题
openLiBing-bot
Opened this issue
2024-01-20 14:46
一、漏洞信息 漏洞编号:[CVE-2023-39326](https://nvd.nist.gov/vuln/detail/CVE-2023-39326) 漏洞归属组件:[etcd](https://gitee.com/src-openeuler/etcd) 漏洞归属的版本:3.4.14,3.4.7 CVSS V3.0分值: BaseScore:5.3 Medium Vector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 漏洞简述: A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large amount of data (up to about 1GiB) when a handler fails to read the entire body of a request. Chunk extensions are a little-used HTTP feature which permit including additional metadata in a request or response body sent using the chunked encoding. The net/http chunked encoding reader discards this metadata. A sender can exploit this by inserting a large metadata segment with each byte transferred. The chunk reader now produces an error if the ratio of real body to encoded bytes grows too small. 漏洞公开时间:2023-12-07 01:15:07 漏洞创建时间:2024-01-20 06:46:25 漏洞详情参考链接: https://nvd.nist.gov/vuln/detail/CVE-2023-39326 <details> <summary>更多参考(点击展开)</summary> 无 </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> 无 </details> 二、漏洞分析结构反馈 影响性分析说明: HTTP/1.1中分块传输编码(chunked transfer encoding)的一个潜在安全漏洞。分块传输编码允许发送方将消息体分割成多个部分(即“块”),每个部分都以自己的大小开头,后面跟着实际的数据块。此外,HTTP还支持所谓的“块扩展”(chunk extensions),它允许在每个块的末尾添加额外的元数据。问题在于,恶意的HTTP发送者可以利用这种机制,在每个数据块后添加大量的元数据(即块扩展),导致接收方读取远超实际消息体大小的数据量。当处理程序未能读取请求体的所有内容时,这可能会被恶意客户端进一步利用,使得服务器自动读取大量数据(最多可达约1GiB)。虽然这些元数据通常会被net/http中的分块编码读取器忽略,但这种行为可能导致资源耗尽或拒绝服务攻击。上游修复链接:https://github.com/golang/go/commit/6446af942e2e2b161c4ec1b60d9703a2b55dc4dd,此问题为golang代码问题,golang修复后对受影响的版本重编即可。 openEuler评分: 5.3 Vector:CVSS:3.0/AV:N/AC:L/PR:N/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.master(3.4.14):受影响 2.openEuler-20.03-LTS-SP1:受影响 3.openEuler-20.03-LTS-SP4(3.4.14):受影响 4.openEuler-22.03-LTS(3.4.14):受影响 5.openEuler-22.03-LTS-Next(3.4.14):受影响 6.openEuler-22.03-LTS-SP1(3.4.14):受影响 7.openEuler-22.03-LTS-SP2(3.4.14):受影响 8.openEuler-22.03-LTS-SP3(3.4.14):受影响 9.openEuler-24.03-LTS(3.4.14):受影响 10.openEuler-24.03-LTS-Next(3.4.14):受影响 11.openEuler-22.03-LTS-SP4(3.4.14):受影响 12.openEuler-24.03-LTS-SP1(3.4.14):受影响 13.openEuler-24.03-LTS-SP2(3.4.14):受影响 修复是否涉及abi变化(是/否): 1.master(3.4.14):否 2.openEuler-20.03-LTS-SP1:否 3.openEuler-20.03-LTS-SP4(3.4.14):否 4.openEuler-22.03-LTS(3.4.14):否 5.openEuler-22.03-LTS-Next(3.4.14):否 6.openEuler-22.03-LTS-SP1(3.4.14):否 7.openEuler-22.03-LTS-SP2(3.4.14):否 8.openEuler-22.03-LTS-SP3(3.4.14):否 9.openEuler-24.03-LTS(3.4.14):否 10.openEuler-24.03-LTS-Next(3.4.14):否 11.openEuler-22.03-LTS-SP4(3.4.14):否 12.openEuler-24.03-LTS-SP1(3.4.14):否 13.openEuler-24.03-LTS-SP2(3.4.14):否 原因说明: 1.master(3.4.14):正常修复 2.openEuler-20.03-LTS-SP1:正常修复 3.openEuler-20.03-LTS-SP4(3.4.14):正常修复 4.openEuler-22.03-LTS(3.4.14):正常修复 5.openEuler-22.03-LTS-Next(3.4.14):正常修复 6.openEuler-22.03-LTS-SP1(3.4.14):正常修复 7.openEuler-22.03-LTS-SP2(3.4.14):正常修复 8.openEuler-22.03-LTS-SP3(3.4.14):正常修复 9.openEuler-24.03-LTS(3.4.14):正常修复 10.openEuler-24.03-LTS-Next(3.4.14):正常修复 11.openEuler-22.03-LTS-SP4(3.4.14):正常修复 12.openEuler-24.03-LTS-SP1(3.4.14):正常修复 13.openEuler-24.03-LTS-SP2(3.4.14):正常修复
一、漏洞信息 漏洞编号:[CVE-2023-39326](https://nvd.nist.gov/vuln/detail/CVE-2023-39326) 漏洞归属组件:[etcd](https://gitee.com/src-openeuler/etcd) 漏洞归属的版本:3.4.14,3.4.7 CVSS V3.0分值: BaseScore:5.3 Medium Vector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N 漏洞简述: A malicious HTTP sender can use chunk extensions to cause a receiver reading from a request or response body to read many more bytes from the network than are in the body. A malicious HTTP client can further exploit this to cause a server to automatically read a large amount of data (up to about 1GiB) when a handler fails to read the entire body of a request. Chunk extensions are a little-used HTTP feature which permit including additional metadata in a request or response body sent using the chunked encoding. The net/http chunked encoding reader discards this metadata. A sender can exploit this by inserting a large metadata segment with each byte transferred. The chunk reader now produces an error if the ratio of real body to encoded bytes grows too small. 漏洞公开时间:2023-12-07 01:15:07 漏洞创建时间:2024-01-20 06:46:25 漏洞详情参考链接: https://nvd.nist.gov/vuln/detail/CVE-2023-39326 <details> <summary>更多参考(点击展开)</summary> 无 </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> 无 </details> 二、漏洞分析结构反馈 影响性分析说明: HTTP/1.1中分块传输编码(chunked transfer encoding)的一个潜在安全漏洞。分块传输编码允许发送方将消息体分割成多个部分(即“块”),每个部分都以自己的大小开头,后面跟着实际的数据块。此外,HTTP还支持所谓的“块扩展”(chunk extensions),它允许在每个块的末尾添加额外的元数据。问题在于,恶意的HTTP发送者可以利用这种机制,在每个数据块后添加大量的元数据(即块扩展),导致接收方读取远超实际消息体大小的数据量。当处理程序未能读取请求体的所有内容时,这可能会被恶意客户端进一步利用,使得服务器自动读取大量数据(最多可达约1GiB)。虽然这些元数据通常会被net/http中的分块编码读取器忽略,但这种行为可能导致资源耗尽或拒绝服务攻击。上游修复链接:https://github.com/golang/go/commit/6446af942e2e2b161c4ec1b60d9703a2b55dc4dd,此问题为golang代码问题,golang修复后对受影响的版本重编即可。 openEuler评分: 5.3 Vector:CVSS:3.0/AV:N/AC:L/PR:N/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.master(3.4.14):受影响 2.openEuler-20.03-LTS-SP1:受影响 3.openEuler-20.03-LTS-SP4(3.4.14):受影响 4.openEuler-22.03-LTS(3.4.14):受影响 5.openEuler-22.03-LTS-Next(3.4.14):受影响 6.openEuler-22.03-LTS-SP1(3.4.14):受影响 7.openEuler-22.03-LTS-SP2(3.4.14):受影响 8.openEuler-22.03-LTS-SP3(3.4.14):受影响 9.openEuler-24.03-LTS(3.4.14):受影响 10.openEuler-24.03-LTS-Next(3.4.14):受影响 11.openEuler-22.03-LTS-SP4(3.4.14):受影响 12.openEuler-24.03-LTS-SP1(3.4.14):受影响 13.openEuler-24.03-LTS-SP2(3.4.14):受影响 修复是否涉及abi变化(是/否): 1.master(3.4.14):否 2.openEuler-20.03-LTS-SP1:否 3.openEuler-20.03-LTS-SP4(3.4.14):否 4.openEuler-22.03-LTS(3.4.14):否 5.openEuler-22.03-LTS-Next(3.4.14):否 6.openEuler-22.03-LTS-SP1(3.4.14):否 7.openEuler-22.03-LTS-SP2(3.4.14):否 8.openEuler-22.03-LTS-SP3(3.4.14):否 9.openEuler-24.03-LTS(3.4.14):否 10.openEuler-24.03-LTS-Next(3.4.14):否 11.openEuler-22.03-LTS-SP4(3.4.14):否 12.openEuler-24.03-LTS-SP1(3.4.14):否 13.openEuler-24.03-LTS-SP2(3.4.14):否 原因说明: 1.master(3.4.14):正常修复 2.openEuler-20.03-LTS-SP1:正常修复 3.openEuler-20.03-LTS-SP4(3.4.14):正常修复 4.openEuler-22.03-LTS(3.4.14):正常修复 5.openEuler-22.03-LTS-Next(3.4.14):正常修复 6.openEuler-22.03-LTS-SP1(3.4.14):正常修复 7.openEuler-22.03-LTS-SP2(3.4.14):正常修复 8.openEuler-22.03-LTS-SP3(3.4.14):正常修复 9.openEuler-24.03-LTS(3.4.14):正常修复 10.openEuler-24.03-LTS-Next(3.4.14):正常修复 11.openEuler-22.03-LTS-SP4(3.4.14):正常修复 12.openEuler-24.03-LTS-SP1(3.4.14):正常修复 13.openEuler-24.03-LTS-SP2(3.4.14):正常修复
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