| id: GO-2021-0159 |
| modules: |
| - module: std |
| versions: |
| - fixed: 1.4.3 |
| vulnerable_at: 1.4.2 |
| packages: |
| - package: net/http |
| symbols: |
| - CanonicalMIMEHeaderKey |
| - body.readLocked |
| - canonicalMIMEHeaderKey |
| - chunkWriter.writeHeader |
| - fixLength |
| - fixTransferEncoding |
| - readTransfer |
| - transferWriter.shouldSendContentLength |
| - validHeaderFieldByte |
| skip_fix: 'TODO: revisit this reason (fix appears to not work with Go <1.18)' |
| summary: Request smuggling due to improper header parsing in net/http |
| description: |- |
| HTTP headers were not properly parsed, which allows remote attackers to conduct |
| HTTP request smuggling attacks via a request that contains Content-Length and |
| Transfer-Encoding header fields. |
| published: 2022-01-05T21:39:14Z |
| cves: |
| - CVE-2015-5739 |
| - CVE-2015-5740 |
| - CVE-2015-5741 |
| credits: |
| - Jed Denlea |
| - Régis Leroy |
| references: |
| - fix: https://go.dev/cl/13148 |
| - fix: https://go.googlesource.com/go/+/26049f6f9171d1190f3bbe05ec304845cfe6399f |
| - fix: https://go.dev/cl/11772 |
| - fix: https://go.dev/cl/11810 |
| - fix: https://go.dev/cl/12865 |
| - fix: https://go.googlesource.com/go/+/117ddcb83d7f42d6aa72241240af99ded81118e9 |
| - fix: https://go.googlesource.com/go/+/300d9a21583e7cf0149a778a0611e76ff7c6680f |
| - fix: https://go.googlesource.com/go/+/c2db5f4ccc61ba7df96a747e268a277b802cbb87 |
| - report: https://go.dev/issue/12027 |
| - report: https://go.dev/issue/11930 |
| - web: https://groups.google.com/g/golang-announce/c/iSIyW4lM4hY/m/ADuQR4DiDwAJ |
