diff options
Diffstat (limited to 'gnu/packages/patches/llhttp-bootstrap-CVE-2020-8287.patch')
| -rw-r--r-- | gnu/packages/patches/llhttp-bootstrap-CVE-2020-8287.patch | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/gnu/packages/patches/llhttp-bootstrap-CVE-2020-8287.patch b/gnu/packages/patches/llhttp-bootstrap-CVE-2020-8287.patch deleted file mode 100644 index 215c920e53..0000000000 --- a/gnu/packages/patches/llhttp-bootstrap-CVE-2020-8287.patch +++ /dev/null @@ -1,100 +0,0 @@ -This patch comes from upstream. It corresponds to a patch applied to -the generated C source code for llhttp included in Node.js 14.16.0 -(see commit 641f786bb1a1f6eb1ff8750782ed939780f2b31a). That commit -fixes CVE-2020-8287. With this patch, the output of our -llhttp-bootstrap package matches the files included in Node.js 14.16.0 -exactly. - -commit e9b36ea64709c35ca66094d5cf3787f444029601 -Author: Fedor Indutny <fedor@indutny.com> -Date: Sat Oct 10 19:56:01 2020 -0700 - - http: unset `F_CHUNKED` on new `Transfer-Encoding` - - Duplicate `Transfer-Encoding` header should be a treated as a single, - but with original header values concatenated with a comma separator. In - the light of this, even if the past `Transfer-Encoding` ended with - `chunked`, we should be not let the `F_CHUNKED` to leak into the next - header, because mere presence of another header indicates that `chunked` - is not the last transfer-encoding token. - -diff --git a/src/llhttp/http.ts b/src/llhttp/http.ts -index f4f1a6e..0a0c365 100644 ---- a/src/llhttp/http.ts -+++ b/src/llhttp/http.ts -@@ -460,11 +460,19 @@ export class HTTP { - .match([ ' ', '\t' ], n('header_value_discard_ws')) - .otherwise(checkContentLengthEmptiness); - -+ // Multiple `Transfer-Encoding` headers should be treated as one, but with -+ // values separate by a comma. -+ // -+ // See: https://tools.ietf.org/html/rfc7230#section-3.2.2 -+ const toTransferEncoding = this.unsetFlag( -+ FLAGS.CHUNKED, -+ 'header_value_te_chunked'); -+ - n('header_value_start') - .otherwise(this.load('header_state', { - [HEADER_STATE.UPGRADE]: this.setFlag(FLAGS.UPGRADE, fallback), - [HEADER_STATE.TRANSFER_ENCODING]: this.setFlag( -- FLAGS.TRANSFER_ENCODING, 'header_value_te_chunked'), -+ FLAGS.TRANSFER_ENCODING, toTransferEncoding), - [HEADER_STATE.CONTENT_LENGTH]: n('header_value_content_length_once'), - [HEADER_STATE.CONNECTION]: n('header_value_connection'), - }, 'header_value')); -@@ -847,6 +855,11 @@ export class HTTP { - return span.start(span.end(this.node(next))); - } - -+ private unsetFlag(flag: FLAGS, next: string | Node): Node { -+ const p = this.llparse; -+ return p.invoke(p.code.and('flags', ~flag), this.node(next)); -+ } -+ - private setFlag(flag: FLAGS, next: string | Node): Node { - const p = this.llparse; - return p.invoke(p.code.or('flags', flag), this.node(next)); -diff --git a/test/request/transfer-encoding.md b/test/request/transfer-encoding.md -index a7d1681..b0891d6 100644 ---- a/test/request/transfer-encoding.md -+++ b/test/request/transfer-encoding.md -@@ -353,6 +353,38 @@ off=106 headers complete method=3 v=1/1 flags=200 content_length=0 - off=106 error code=15 reason="Request has invalid `Transfer-Encoding`" - ``` - -+## POST with `chunked` and duplicate transfer-encoding -+ -+<!-- meta={"type": "request", "noScan": true} --> -+```http -+POST /post_identity_body_world?q=search#hey HTTP/1.1 -+Accept: */* -+Transfer-Encoding: chunked -+Transfer-Encoding: deflate -+ -+World -+``` -+ -+```log -+off=0 message begin -+off=5 len=38 span[url]="/post_identity_body_world?q=search#hey" -+off=44 url complete -+off=54 len=6 span[header_field]="Accept" -+off=61 header_field complete -+off=62 len=3 span[header_value]="*/*" -+off=67 header_value complete -+off=67 len=17 span[header_field]="Transfer-Encoding" -+off=85 header_field complete -+off=86 len=7 span[header_value]="chunked" -+off=95 header_value complete -+off=95 len=17 span[header_field]="Transfer-Encoding" -+off=113 header_field complete -+off=114 len=7 span[header_value]="deflate" -+off=123 header_value complete -+off=125 headers complete method=3 v=1/1 flags=200 content_length=0 -+off=125 error code=15 reason="Request has invalid `Transfer-Encoding`" -+``` -+ - ## POST with `chunked` before other transfer-coding (lenient) - - TODO(indutny): should we allow it even in lenient mode? (Consider disabling |