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[AUTO-CHERRYPICK] Patch packer for CVE-2024-28180 [Medium] - branch main #12329

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Merged
jslobodzian merged 1 commit into from
Feb 14, 2025
Merged

[AUTO-CHERRYPICK] Patch packer for CVE-2024-28180 [Medium] - branch main #12329

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88 changes: 88 additions & 0 deletions SPECS/packer/CVE-2024-28180.patch
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Original file line number Diff line number Diff line change
@@ -0,0 +1,88 @@
From e7117826d5632d069fb10ebac993b1c888684100 Mon Sep 17 00:00:00 2001
From: Kanishk Bansal <kbkanishk975@gmail.com>
Date: Thu, 30 Jan 2025 18:37:37 +0000
Subject: [PATCH] Address CVE-2024-28180 for packer

---
vendor/gopkg.in/square/go-jose.v2/crypter.go | 6 ++++++
vendor/gopkg.in/square/go-jose.v2/encoding.go | 20 +++++++++++++++----
2 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/vendor/gopkg.in/square/go-jose.v2/crypter.go b/vendor/gopkg.in/square/go-jose.v2/crypter.go
index be7433e..763eae0 100644
--- a/vendor/gopkg.in/square/go-jose.v2/crypter.go
+++ b/vendor/gopkg.in/square/go-jose.v2/crypter.go
@@ -406,6 +406,9 @@ func (ctx *genericEncrypter) Options() EncrypterOptions {
// Decrypt and validate the object and return the plaintext. Note that this
// function does not support multi-recipient, if you desire multi-recipient
// decryption use DecryptMulti instead.
+//
+// Automatically decompresses plaintext, but returns an error if the decompressed
+// data would be >250kB or >10x the size of the compressed data, whichever is larger.
func (obj JSONWebEncryption) Decrypt(decryptionKey interface{}) ([]byte, error) {
headers := obj.mergedHeaders(nil)

@@ -470,6 +473,9 @@ func (obj JSONWebEncryption) Decrypt(decryptionKey interface{}) ([]byte, error)
// with support for multiple recipients. It returns the index of the recipient
// for which the decryption was successful, the merged headers for that recipient,
// and the plaintext.
+//
+// Automatically decompresses plaintext, but returns an error if the decompressed
+// data would be >250kB or >3x the size of the compressed data, whichever is larger.
func (obj JSONWebEncryption) DecryptMulti(decryptionKey interface{}) (int, Header, []byte, error) {
globalHeaders := obj.mergedHeaders(nil)

diff --git a/vendor/gopkg.in/square/go-jose.v2/encoding.go b/vendor/gopkg.in/square/go-jose.v2/encoding.go
index 70f7385..2b92116 100644
--- a/vendor/gopkg.in/square/go-jose.v2/encoding.go
+++ b/vendor/gopkg.in/square/go-jose.v2/encoding.go
@@ -21,6 +21,7 @@ import (
"compress/flate"
"encoding/base64"
"encoding/binary"
+ "fmt"
"io"
"math/big"
"strings"
@@ -85,7 +86,7 @@ func decompress(algorithm CompressionAlgorithm, input []byte) ([]byte, error) {
}
}

-// Compress with DEFLATE
+// deflate compresses the input.
func deflate(input []byte) ([]byte, error) {
output := new(bytes.Buffer)

@@ -97,15 +98,26 @@ func deflate(input []byte) ([]byte, error) {
return output.Bytes(), err
}

-// Decompress with DEFLATE
+// inflate decompresses the input.
+//
+// Errors if the decompressed data would be >250kB or >10x the size of the
+// compressed data, whichever is larger.
func inflate(input []byte) ([]byte, error) {
output := new(bytes.Buffer)
reader := flate.NewReader(bytes.NewBuffer(input))

- _, err := io.Copy(output, reader)
- if err != nil {
+ maxCompressedSize := 10 * int64(len(input))
+ if maxCompressedSize < 250000 {
+ maxCompressedSize = 250000
+ }
+ limit := maxCompressedSize + 1
+ n, err := io.CopyN(output, reader, limit)
+ if err != nil && err != io.EOF {
return nil, err
}
+ if n == limit {
+ return nil, fmt.Errorf("uncompressed data would be too large (>%d bytes)", maxCompressedSize)
+ }

err = reader.Close()
return output.Bytes(), err
--
2.43.0

6 changes: 5 additions & 1 deletion SPECS/packer/packer.spec
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ Summary: Tool for creating identical machine images for multiple platform
Name: packer
Epoch: 1
Version: 1.9.5
Release: 7%{?dist}
Release: 8%{?dist}
License: MPLv2.0
Vendor: Microsoft Corporation
Distribution: Mariner
Expand Down Expand Up @@ -36,6 +36,7 @@ Patch0: CVE-2022-3064.patch
Patch1: CVE-2024-6104.patch
Patch2: CVE-2024-24786.patch
Patch3: CVE-2025-21613.patch
Patch4: CVE-2024-28180.patch
BuildRequires: golang
BuildRequires: kernel-headers
BuildRequires: glibc-devel
Expand Down Expand Up @@ -69,6 +70,9 @@ go test -mod=vendor
%{_bindir}/packer

%changelog
* Fri Jan 31 2025 Kanishk Bansal <kanbansal@microsoft.com> - 1.9.5-8
- Fix CVE-2024-28180 with an upstream patch

* Mon Jan 13 2025 Sudipta Pandit <sudpandit@microsoft.com> - 1.9.5-7
- Add patch for CVE-2025-21613 and CVE-2025-21614
- Remove patch for CVE-2023-45288, CVE-2023-49569, CVE-2024-45337, CVE-2024-45338
Expand Down