From 4f0770f3df78ecd5dcaefbd214f7a1415366bca6 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sat, 27 Apr 2024 08:33:51 +0200
Subject: Adding debian version 2.4.56-1~deb11u2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 debian/patches/suexec-CVE-2007-1742.patch | 66 +++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 debian/patches/suexec-CVE-2007-1742.patch

(limited to 'debian/patches/suexec-CVE-2007-1742.patch')

diff --git a/debian/patches/suexec-CVE-2007-1742.patch b/debian/patches/suexec-CVE-2007-1742.patch
new file mode 100644
index 0000000..159c2c9
--- /dev/null
+++ b/debian/patches/suexec-CVE-2007-1742.patch
@@ -0,0 +1,66 @@
+Description: Fix race condition with chdir
+ Fix /var/www* being accepted as docroot instead of /var/www/*
+ (the same for public_html* instead of public_html/* )
+Author: Stefan Fritsch <sf@debian.org>
+Last-Update: 2014-05-29
+Bug: https://issues.apache.org/bugzilla/show_bug.cgi?id=44752
+--- a/support/suexec.c
++++ b/support/suexec.c
+@@ -42,6 +42,7 @@
+ #if APR_HAVE_UNISTD_H
+ #include <unistd.h>
+ #endif
++#include <fcntl.h>
+ 
+ #include <stdio.h>
+ #include <stdarg.h>
+@@ -279,11 +280,12 @@
+     char *actual_gname;     /* actual group name         */
+     char *cmd;              /* command to be executed    */
+     char cwd[AP_MAXPATH];   /* current working directory */
+-    char dwd[AP_MAXPATH];   /* docroot working directory */
++    char dwd[AP_MAXPATH+1]; /* docroot working directory */
+     struct passwd *pw;      /* password entry holder     */
+     struct group *gr;       /* group entry holder        */
+     struct stat dir_info;   /* directory info holder     */
+     struct stat prg_info;   /* program info holder       */
++    int cwdh;               /* handle to cwd             */
+ 
+     /*
+      * Start with a "clean" environment
+@@ -529,11 +531,16 @@
+         exit(111);
+     }
+ 
++    if ( (cwdh = open(".", O_RDONLY)) == -1 ) {
++        log_err("cannot open current working directory\n");
++        exit(111);
++    }
++
+     if (userdir) {
+         if (((chdir(target_homedir)) != 0) ||
+             ((chdir(AP_USERDIR_SUFFIX)) != 0) ||
+             ((getcwd(dwd, AP_MAXPATH)) == NULL) ||
+-            ((chdir(cwd)) != 0)) {
++            ((fchdir(cwdh)) != 0)) {
+             log_err("cannot get docroot information (%s)\n", target_homedir);
+             exit(112);
+         }
+@@ -541,12 +548,16 @@
+     else {
+         if (((chdir(AP_DOC_ROOT)) != 0) ||
+             ((getcwd(dwd, AP_MAXPATH)) == NULL) ||
+-            ((chdir(cwd)) != 0)) {
++            ((fchdir(cwdh)) != 0)) {
+             log_err("cannot get docroot information (%s)\n", AP_DOC_ROOT);
+             exit(113);
+         }
+     }
+ 
++    close(cwdh);
++
++    if (strlen(cwd) > strlen(dwd))
++        strncat(dwd, "/", 1);
+     if ((strncmp(cwd, dwd, strlen(dwd))) != 0) {
+         log_err("command not in docroot (%s/%s)\n", cwd, cmd);
+         exit(114);
-- 
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