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go: Fix CVE-2024-34155

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Calling any of the Parse functions on Go source code which contains
deeply nested literals can cause a panic due to stack exhaustion.

Reference:
https://nvd.nist.gov/vuln/detail/CVE-2024-34155

Upstream-patch:
b232596139

(From OE-Core rev: 9d21d527e2448e202030ae7ad38c88e25943a2f3)

Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Archana Polampalli
2025-01-08 05:54:19 +00:00
committed by Steve Sakoman
parent f505325936
commit f700dcdc1d
2 changed files with 72 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/go/go-1.17.13.inc
View File

@@ -58,6 +58,7 @@ SRC_URI += "\
file://CVE-2023-45288.patch \
file://CVE-2024-24789.patch \
file://CVE-2024-24791.patch \
file://CVE-2024-34155.patch \
"
SRC_URI[main.sha256sum] = "a1a48b23afb206f95e7bbaa9b898d965f90826f6f1d1fc0c1d784ada0cd300fd"

71
meta/recipes-devtools/go/go-1.21/CVE-2024-34155.patch Normal file
View File

@@ -0,0 +1,71 @@
From b232596139dbe96a62edbe3a2a203e856bf556eb Mon Sep 17 00:00:00 2001
From: Roland Shoemaker <bracewell@google.com>
Date: Mon, 10 Jun 2024 15:34:12 -0700
Subject: [PATCH] go/parser: track depth in nested element lists
Prevents stack exhaustion with extremely deeply nested literal values,
i.e. field values in structs.
Updates #69138
Fixes #69142
Fixes CVE-2024-34155
Change-Id: I2e8e33b44105cc169d7ed1ae83fb56df0c10f1ee
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1520
Reviewed-by: Robert Griesemer <gri@google.com>
Reviewed-by: Damien Neil <dneil@google.com>
Reviewed-by: Russ Cox <rsc@google.com>
(cherry picked from commit eb1b038c0d01761694e7a735ef87ac9164c6568e)
Reviewed-on: https://go-internal-review.googlesource.com/c/go/+/1561
Reviewed-by: Tatiana Bradley <tatianabradley@google.com>
Reviewed-on: https://go-review.googlesource.com/c/go/+/611181
Reviewed-by: Michael Pratt <mpratt@google.com>
TryBot-Bypass: Dmitri Shuralyov <dmitshur@google.com>
Auto-Submit: Dmitri Shuralyov <dmitshur@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@google.com>
CVE: CVE-2024-34155
Upstream-Status: Backport [https://github.com/golang/go/commit/b232596139dbe96a62edbe3a2a203e856bf556eb]
Signed-off-by: Archana Polampalli <archana.polampalli@windriver.com>
---
src/go/parser/parser.go | 2 ++
src/go/parser/parser_test.go | 9 +++++----
2 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/src/go/parser/parser.go b/src/go/parser/parser.go
index 2c42b9f..a728d9a 100644
--- a/src/go/parser/parser.go
+++ b/src/go/parser/parser.go
@@ -1481,6 +1481,8 @@ func (p *parser) parseElementList() (list []ast.Expr) {
}
func (p *parser) parseLiteralValue(typ ast.Expr) ast.Expr {
+ defer decNestLev(incNestLev(p))
+
if p.trace {
defer un(trace(p, "LiteralValue"))
}
diff --git a/src/go/parser/parser_test.go b/src/go/parser/parser_test.go
index 993df63..b2cd501 100644
--- a/src/go/parser/parser_test.go
+++ b/src/go/parser/parser_test.go
@@ -607,10 +607,11 @@ var parseDepthTests = []struct {
{name: "chan2", format: "package main; var x «<-chan »int"},
{name: "interface", format: "package main; var x «interface { M() «int» }»", scope: true, scopeMultiplier: 2}, // Scopes: InterfaceType, FuncType
{name: "map", format: "package main; var x «map[int]»int"},
- {name: "slicelit", format: "package main; var x = «[]any{«»}»", parseMultiplier: 2}, // Parser nodes: UnaryExpr, CompositeLit
- {name: "arraylit", format: "package main; var x = «[1]any{«nil»}»", parseMultiplier: 2}, // Parser nodes: UnaryExpr, CompositeLit
- {name: "structlit", format: "package main; var x = «struct{x any}{«nil»}»", parseMultiplier: 2}, // Parser nodes: UnaryExpr, CompositeLit
- {name: "maplit", format: "package main; var x = «map[int]any{1:«nil»}»", parseMultiplier: 2}, // Parser nodes: CompositeLit, KeyValueExpr
+ {name: "slicelit", format: "package main; var x = []any{«[]any{«»}»}", parseMultiplier: 3}, // Parser nodes: UnaryExpr, CompositeLit
+ {name: "arraylit", format: "package main; var x = «[1]any{«nil»}»", parseMultiplier: 3}, // Parser nodes: UnaryExpr, CompositeLit
+ {name: "structlit", format: "package main; var x = «struct{x any}{«nil»}»", parseMultiplier: 3}, // Parser nodes: UnaryExpr, CompositeLit
+ {name: "maplit", format: "package main; var x = «map[int]any{1:«nil»}»", parseMultiplier: 3}, // Parser nodes: CompositeLit, KeyValueExpr
+ {name: "element", format: "package main; var x = struct{x any}{x: «{«»}»}"},
{name: "dot", format: "package main; var x = «x.»x"},
{name: "index", format: "package main; var x = x«[1]»"},
{name: "slice", format: "package main; var x = x«[1:2]»"},
--
2.40.0