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python3-twisted: patch CVE-2022-24801

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Details: https://nvd.nist.gov/vuln/detail/CVE-2022-24801

Pick the commits from the pull request that is referenced by the NVD report.

(The full set is consisting of 13 patches, but the ones that only updated
news/readme/typo fixes in comments were not backported)

Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
This commit is contained in:
Gyorgy Sarvari
2026-01-14 08:34:35 +01:00
parent d29ee9b387
commit 12d4f40a4a
10 changed files with 618 additions and 3 deletions
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meta-python/recipes-devtools/python/python3-twisted/CVE-2022-24801-2.patch
+63
View File
@@ -0,0 +1,63 @@
From 232c32ca0ecc3f9d263e2184253a839ce99b4f31 Mon Sep 17 00:00:00 2001
From: Tom Most <twm@freecog.net>
Date: Mon, 7 Mar 2022 00:02:55 -0800
Subject: [PATCH] Replace obs-fold with a single space
Upstream-Status: Backport [https://github.com/twisted/twisted/commit/79ee8c564ca0d4c2910c8859e0a6014d2dc40005]
CVE: CVE-2022-24801
Signed-off-by: Gyorgy Sarvari <skandigraun@gmail.com>
---
src/twisted/web/http.py | 2 +-
src/twisted/web/test/test_http.py | 13 +++++++++----
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/src/twisted/web/http.py b/src/twisted/web/http.py
index b99480f..5491953 100644
--- a/src/twisted/web/http.py
+++ b/src/twisted/web/http.py
@@ -2246,7 +2246,7 @@ class HTTPChannel(basic.LineReceiver, policies.TimeoutMixin):
self.setRawMode()
elif line[0] in b" \t":
# Continuation of a multi line header.
- self.__header = self.__header + b"\n" + line
+ self.__header += b" " + line.lstrip(b" \t")
# Regular header line.
# Processing of header line is delayed to allow accumulating multi
# line headers.
diff --git a/src/twisted/web/test/test_http.py b/src/twisted/web/test/test_http.py
index 0549ed0..8a7adc0 100644
--- a/src/twisted/web/test/test_http.py
+++ b/src/twisted/web/test/test_http.py
@@ -1795,7 +1795,12 @@ class ParsingTests(unittest.TestCase):
Line folded headers are handled by L{HTTPChannel} by replacing each
fold with a single space by the time they are made available to the
L{Request}. Any leading whitespace in the folded lines of the header
- value is preserved.
+ value is replaced with a single space, per:
+
+ A server that receives an obs-fold in a request message ... MUST
+ ... replace each received obs-fold with one or more SP octets prior
+ to interpreting the field value or forwarding the message
+ downstream.
See RFC 7230 section 3.2.4.
"""
@@ -1832,15 +1837,15 @@ class ParsingTests(unittest.TestCase):
)
self.assertEqual(
request.requestHeaders.getRawHeaders(b"space"),
- [b"space space"],
+ [b"space space"],
)
self.assertEqual(
request.requestHeaders.getRawHeaders(b"spaces"),
- [b"spaces spaces spaces"],
+ [b"spaces spaces spaces"],
)
self.assertEqual(
request.requestHeaders.getRawHeaders(b"tab"),
- [b"t \ta \tb"],
+ [b"t a b"],
)
def test_headerStripWhitespace(self):