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golang: CVE-2021-31525 net/http: panic in ReadRequest and ReadResponse when reading a very large header

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Source: https://github.com/argoheyard/lang-net
MR: 114874
Type: Security Fix
Disposition: Backport from 701957006e
ChangeID: bd3c4f9f44dd1c45e810172087004778522d28eb
Description:
       CVE-2021-31525 golang: net/http: panic in ReadRequest and ReadResponse when reading a very large header.

(From OE-Core rev: 2850ef58f2a39a5ab19b1062d1b50160fec4daa8)

Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Hitendra Prajapati
2022-06-24 17:42:53 +05:30
committed by Richard Purdie
parent 3f2da49c2b
commit 6013fc2606
2 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/go/go-1.14.inc
View File

@@ -24,6 +24,7 @@ SRC_URI += "\
file://CVE-2022-23772.patch \
file://CVE-2021-44717.patch \
file://CVE-2022-24675.patch \
file://CVE-2021-31525.patch \
"
SRC_URI_append_libc-musl = " file://0009-ld-replace-glibc-dynamic-linker-with-musl.patch"

38
meta/recipes-devtools/go/go-1.14/CVE-2021-31525.patch Normal file
View File

@@ -0,0 +1,38 @@
From efb465ada003d23353a91ef930be408eb575dba6 Mon Sep 17 00:00:00 2001
From: Hitendra Prajapati <hprajapati@mvista.com>
Date: Thu, 16 Jun 2022 17:40:12 +0530
Subject: [PATCH] CVE-2021-31525
Upstream-Status: Backport [https://github.com/argoheyard/lang-net/commit/701957006ef151feb43f86aa99c8a1f474f69282]
CVE: CVE-2021-31525
Signed-off-by: Hitendra Prajapati <hprajapati@mvista.com>
---
src/vendor/golang.org/x/net/http/httpguts/httplex.go | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/src/vendor/golang.org/x/net/http/httpguts/httplex.go b/src/vendor/golang.org/x/net/http/httpguts/httplex.go
index e7de24e..c79aa73 100644
--- a/src/vendor/golang.org/x/net/http/httpguts/httplex.go
+++ b/src/vendor/golang.org/x/net/http/httpguts/httplex.go
@@ -137,11 +137,13 @@ func trimOWS(x string) string {
// contains token amongst its comma-separated tokens, ASCII
// case-insensitively.
func headerValueContainsToken(v string, token string) bool {
- v = trimOWS(v)
- if comma := strings.IndexByte(v, ','); comma != -1 {
- return tokenEqual(trimOWS(v[:comma]), token) || headerValueContainsToken(v[comma+1:], token)
+ for comma := strings.IndexByte(v, ','); comma != -1; comma = strings.IndexByte(v, ',') {
+ if tokenEqual(trimOWS(v[:comma]), token) {
+ return true
+ }
+ v = v[comma+1:]
}
- return tokenEqual(v, token)
+ return tokenEqual(trimOWS(v), token)
}
// lowerASCII returns the ASCII lowercase version of b.
--
2.25.1