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[Medium] Patch jq for CVE-2024-23337 #13895
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,231 @@ | ||
From f5147060e3339e81857283a61839af58464bca08 Mon Sep 17 00:00:00 2001 | ||
From: akhila-guruju <[email protected]> | ||
Date: Mon, 26 May 2025 09:31:29 +0000 | ||
Subject: [PATCH] Address CVE-2024-23337 | ||
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Upstream Patch Reference: https://github.com/jqlang/jq/commit/de21386681c0df0104a99d9d09db23a9b2a78b1e | ||
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--- | ||
src/jv.c | 57 ++++++++++++++++++++++++++++++++++++++++----------- | ||
src/jv_aux.c | 9 ++++---- | ||
tests/jq.test | 4 ++++ | ||
3 files changed, 54 insertions(+), 16 deletions(-) | ||
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diff --git a/src/jv.c b/src/jv.c | ||
index 34573b8..15990f1 100644 | ||
--- a/src/jv.c | ||
+++ b/src/jv.c | ||
@@ -1001,6 +1001,11 @@ jv jv_array_set(jv j, int idx, jv val) { | ||
jv_free(val); | ||
return jv_invalid_with_msg(jv_string("Out of bounds negative array index")); | ||
} | ||
+ if (idx > (INT_MAX >> 2) - jvp_array_offset(j)) { | ||
+ jv_free(j); | ||
+ jv_free(val); | ||
+ return jv_invalid_with_msg(jv_string("Array index too large")); | ||
+ } | ||
// copy/free of val,j coalesced | ||
jv* slot = jvp_array_write(&j, idx); | ||
jv_free(*slot); | ||
@@ -1020,6 +1025,7 @@ jv jv_array_concat(jv a, jv b) { | ||
// FIXME: could be faster | ||
jv_array_foreach(b, i, elem) { | ||
a = jv_array_append(a, elem); | ||
+ if (!jv_is_valid(a)) break; | ||
} | ||
jv_free(b); | ||
return a; | ||
@@ -1283,15 +1289,22 @@ jv jv_string_indexes(jv j, jv k) { | ||
assert(JVP_HAS_KIND(k, JV_KIND_STRING)); | ||
const char *jstr = jv_string_value(j); | ||
const char *idxstr = jv_string_value(k); | ||
- const char *p; | ||
+ const char *p, *lp; | ||
int jlen = jv_string_length_bytes(jv_copy(j)); | ||
int idxlen = jv_string_length_bytes(jv_copy(k)); | ||
jv a = jv_array(); | ||
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||
if (idxlen != 0) { | ||
- p = jstr; | ||
+ int n = 0; | ||
+ p = lp = jstr; | ||
while ((p = _jq_memmem(p, (jstr + jlen) - p, idxstr, idxlen)) != NULL) { | ||
- a = jv_array_append(a, jv_number(p - jstr)); | ||
+ while (lp < p) { | ||
+ lp += jvp_utf8_decode_length(*lp); | ||
+ n++; | ||
+ } | ||
+ | ||
+ a = jv_array_append(a, jv_number(n)); | ||
+ if (!jv_is_valid(a)) break; | ||
p++; | ||
} | ||
} | ||
@@ -1314,14 +1327,17 @@ jv jv_string_split(jv j, jv sep) { | ||
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if (seplen == 0) { | ||
int c; | ||
- while ((jstr = jvp_utf8_next(jstr, jend, &c))) | ||
+ while ((jstr = jvp_utf8_next(jstr, jend, &c))) { | ||
a = jv_array_append(a, jv_string_append_codepoint(jv_string(""), c)); | ||
+ if (!jv_is_valid(a)) break; | ||
+ } | ||
} else { | ||
for (p = jstr; p < jend; p = s + seplen) { | ||
s = _jq_memmem(p, jend - p, sepstr, seplen); | ||
if (s == NULL) | ||
s = jend; | ||
a = jv_array_append(a, jv_string_sized(p, s - p)); | ||
+ if (!jv_is_valid(a)) break; | ||
// Add an empty string to denote that j ends on a sep | ||
if (s + seplen == jend && seplen != 0) | ||
a = jv_array_append(a, jv_string("")); | ||
@@ -1339,8 +1355,10 @@ jv jv_string_explode(jv j) { | ||
const char* end = i + len; | ||
jv a = jv_array_sized(len); | ||
int c; | ||
- while ((i = jvp_utf8_next(i, end, &c))) | ||
+ while ((i = jvp_utf8_next(i, end, &c))) { | ||
a = jv_array_append(a, jv_number(c)); | ||
+ if (!jv_is_valid(a)) break; | ||
+ } | ||
jv_free(j); | ||
return a; | ||
} | ||
@@ -1614,10 +1632,13 @@ static void jvp_object_free(jv o) { | ||
} | ||
} | ||
|
||
-static jv jvp_object_rehash(jv object) { | ||
+static int jvp_object_rehash(jv *objectp) { | ||
+ jv object = *objectp; | ||
assert(JVP_HAS_KIND(object, JV_KIND_OBJECT)); | ||
assert(jvp_refcnt_unshared(object.u.ptr)); | ||
int size = jvp_object_size(object); | ||
+ if (size > INT_MAX >> 2) | ||
+ return 0; | ||
jv new_object = jvp_object_new(size * 2); | ||
for (int i=0; i<size; i++) { | ||
struct object_slot* slot = jvp_object_get_slot(object, i); | ||
@@ -1630,7 +1651,8 @@ static jv jvp_object_rehash(jv object) { | ||
} | ||
// references are transported, just drop the old table | ||
jv_mem_free(jvp_object_ptr(object)); | ||
- return new_object; | ||
+ *objectp = new_object; | ||
+ return 1; | ||
} | ||
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||
static jv jvp_object_unshare(jv object) { | ||
@@ -1659,27 +1681,32 @@ static jv jvp_object_unshare(jv object) { | ||
return new_object; | ||
} | ||
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||
-static jv* jvp_object_write(jv* object, jv key) { | ||
+static int jvp_object_write(jv* object, jv key, jv **valpp) { | ||
*object = jvp_object_unshare(*object); | ||
int* bucket = jvp_object_find_bucket(*object, key); | ||
struct object_slot* slot = jvp_object_find_slot(*object, key, bucket); | ||
if (slot) { | ||
// already has the key | ||
jvp_string_free(key); | ||
- return &slot->value; | ||
+ *valpp = &slot->value; | ||
+ return 1; | ||
} | ||
slot = jvp_object_add_slot(*object, key, bucket); | ||
if (slot) { | ||
slot->value = jv_invalid(); | ||
} else { | ||
- *object = jvp_object_rehash(*object); | ||
+ if (!jvp_object_rehash(object)) { | ||
+ *valpp = NULL; | ||
+ return 0; | ||
+ } | ||
bucket = jvp_object_find_bucket(*object, key); | ||
assert(!jvp_object_find_slot(*object, key, bucket)); | ||
slot = jvp_object_add_slot(*object, key, bucket); | ||
assert(slot); | ||
slot->value = jv_invalid(); | ||
} | ||
- return &slot->value; | ||
+ *valpp = &slot->value; | ||
+ return 1; | ||
} | ||
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||
static int jvp_object_delete(jv* object, jv key) { | ||
@@ -1779,7 +1806,11 @@ jv jv_object_set(jv object, jv key, jv value) { | ||
assert(JVP_HAS_KIND(object, JV_KIND_OBJECT)); | ||
assert(JVP_HAS_KIND(key, JV_KIND_STRING)); | ||
// copy/free of object, key, value coalesced | ||
- jv* slot = jvp_object_write(&object, key); | ||
+ jv* slot; | ||
+ if (!jvp_object_write(&object, key, &slot)) { | ||
+ jv_free(object); | ||
+ return jv_invalid_with_msg(jv_string("Object too big")); | ||
+ } | ||
jv_free(*slot); | ||
*slot = value; | ||
return object; | ||
@@ -1804,6 +1835,7 @@ jv jv_object_merge(jv a, jv b) { | ||
assert(JVP_HAS_KIND(a, JV_KIND_OBJECT)); | ||
jv_object_foreach(b, k, v) { | ||
a = jv_object_set(a, k, v); | ||
+ if (!jv_is_valid(a)) break; | ||
} | ||
jv_free(b); | ||
return a; | ||
@@ -1823,6 +1855,7 @@ jv jv_object_merge_recursive(jv a, jv b) { | ||
jv_free(elem); | ||
a = jv_object_set(a, k, v); | ||
} | ||
+ if (!jv_is_valid(a)) break; | ||
} | ||
jv_free(b); | ||
return a; | ||
diff --git a/src/jv_aux.c b/src/jv_aux.c | ||
index 6004799..bbe1c0d 100644 | ||
--- a/src/jv_aux.c | ||
+++ b/src/jv_aux.c | ||
@@ -193,18 +193,19 @@ jv jv_set(jv t, jv k, jv v) { | ||
if (slice_len < insert_len) { | ||
// array is growing | ||
int shift = insert_len - slice_len; | ||
- for (int i = array_len - 1; i >= end; i--) { | ||
+ for (int i = array_len - 1; i >= end && jv_is_valid(t); i--) { | ||
t = jv_array_set(t, i + shift, jv_array_get(jv_copy(t), i)); | ||
} | ||
} else if (slice_len > insert_len) { | ||
// array is shrinking | ||
int shift = slice_len - insert_len; | ||
- for (int i = end; i < array_len; i++) { | ||
+ for (int i = end; i < array_len && jv_is_valid(t); i++) { | ||
t = jv_array_set(t, i - shift, jv_array_get(jv_copy(t), i)); | ||
} | ||
- t = jv_array_slice(t, 0, array_len - shift); | ||
+ if (jv_is_valid(t)) | ||
+ t = jv_array_slice(t, 0, array_len - shift); | ||
} | ||
- for (int i=0; i < insert_len; i++) { | ||
+ for (int i = 0; i < insert_len && jv_is_valid(t); i++) { | ||
t = jv_array_set(t, start + i, jv_array_get(jv_copy(v), i)); | ||
} | ||
jv_free(v); | ||
diff --git a/tests/jq.test b/tests/jq.test | ||
index 7011cf9..cd650d4 100644 | ||
--- a/tests/jq.test | ||
+++ b/tests/jq.test | ||
@@ -198,6 +198,10 @@ null | ||
[0,1,2] | ||
[0,5,2] | ||
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+try (.[999999999] = 0) catch . | ||
+null | ||
+"Array index too large" | ||
+ | ||
# | ||
# Multiple outputs, iteration | ||
# | ||
-- | ||
2.45.2 | ||
|
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,13 +1,14 @@ | ||
Summary: jq is a lightweight and flexible command-line JSON processor. | ||
Name: jq | ||
Version: 1.7.1 | ||
Release: 2%{?dist} | ||
Release: 3%{?dist} | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. |
||
Group: Applications/System | ||
Vendor: Microsoft Corporation | ||
License: MIT | ||
URL: https://jqlang.github.io/jq/ | ||
Source0: https://github.com/jqlang/jq/releases/download/%{name}-%{version}/%{name}-%{version}.tar.gz | ||
Patch0: CVE-2024-53427.patch | ||
Patch1: CVE-2024-23337.patch | ||
Distribution: Azure Linux | ||
BuildRequires: bison | ||
BuildRequires: chrpath | ||
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@@ -60,6 +61,9 @@ make check | |
%{_includedir}/* | ||
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%changelog | ||
* Mon May 26 2025 Akhila Guruju <[email protected]> - 1.7.1-3 | ||
- Patch CVE-2024-23337 | ||
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* Wed Mar 05 2025 Kanishk Bansal <[email protected]> - 1.7.1-2 | ||
- Patch CVE-2024-53427 | ||
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|
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Patch has slight deviation from upstream here.
Request @kgodara912 to also please review my LGTM as well :)
LGTM w.r.t functionality.