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Sharath Srikanth Chellappa
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Nov 14, 2024
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,44 @@ | ||
From 25833cefda24c60af913d6f2d532b5afd608b821 Mon Sep 17 00:00:00 2001 | ||
From: Michael Catanzaro <[email protected]> | ||
Date: Thu, 19 Sep 2024 18:35:53 +0100 | ||
Subject: [PATCH] gsocks4aproxy: Fix a single byte buffer overflow in connect | ||
messages | ||
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`SOCKS4_CONN_MSG_LEN` failed to account for the length of the final nul | ||
byte in the connect message, which is an addition in SOCKSv4a vs | ||
SOCKSv4. | ||
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This means that the buffer for building and transmitting the connect | ||
message could be overflowed if the username and hostname are both | ||
`SOCKS4_MAX_LEN` (255) bytes long. | ||
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Proxy configurations are normally statically configured, so the username | ||
is very unlikely to be near its maximum length, and hence this overflow | ||
is unlikely to be triggered in practice. | ||
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(Commit message by Philip Withnall, diagnosis and fix by Michael | ||
Catanzaro.) | ||
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Fixes: #3461 | ||
--- | ||
gio/gsocks4aproxy.c | 4 ++-- | ||
1 file changed, 2 insertions(+), 2 deletions(-) | ||
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diff --git a/gio/gsocks4aproxy.c b/gio/gsocks4aproxy.c | ||
index 3dad118eb7..b3146d08fd 100644 | ||
--- a/gio/gsocks4aproxy.c | ||
+++ b/gio/gsocks4aproxy.c | ||
@@ -79,9 +79,9 @@ g_socks4a_proxy_init (GSocks4aProxy *proxy) | ||
* +----+----+----+----+----+----+----+----+----+----+....+----+------+....+------+ | ||
* | VN | CD | DSTPORT | DSTIP | USERID |NULL| HOST | | NULL | | ||
* +----+----+----+----+----+----+----+----+----+----+....+----+------+....+------+ | ||
- * 1 1 2 4 variable 1 variable | ||
+ * 1 1 2 4 variable 1 variable 1 | ||
*/ | ||
-#define SOCKS4_CONN_MSG_LEN (9 + SOCKS4_MAX_LEN * 2) | ||
+#define SOCKS4_CONN_MSG_LEN (10 + SOCKS4_MAX_LEN * 2) | ||
static gint | ||
set_connect_msg (guint8 *msg, | ||
const gchar *hostname, | ||
-- | ||
GitLab |
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@@ -2,13 +2,14 @@ | |
Summary: Low-level libraries useful for providing data structure handling for C. | ||
Name: glib | ||
Version: 2.78.1 | ||
Release: 4%{?dist} | ||
Release: 5%{?dist} | ||
License: LGPLv2+ | ||
Vendor: Microsoft Corporation | ||
Distribution: Azure Linux | ||
Group: Applications/System | ||
URL: https://developer.gnome.org/glib/ | ||
Source0: https://ftp.gnome.org/pub/gnome/sources/glib/%{majorver}/%{name}-%{version}.tar.xz | ||
Patch0: CVE-2024-52533.patch | ||
BuildRequires: cmake | ||
BuildRequires: gtk-doc | ||
BuildRequires: libffi-devel | ||
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@@ -121,6 +122,9 @@ touch %{buildroot}%{_libdir}/gio/modules/giomodule.cache | |
%doc %{_datadir}/gtk-doc/html/* | ||
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%changelog | ||
* Thu Nov 14 2024 Sharath Srikanth Chellappa <[email protected]> - 2.78.1-5 | ||
- Patch CVE-2024-52533 | ||
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* Fri Apr 19 2024 Betty Lakes <[email protected]> - 2.78.1-4 | ||
- Update dependency on pcre2 | ||
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