Gjoko KrsticZSL-2011-5062SopCast 3.4.7 (Diagnose.exe) Improper Permissions
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.7 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.0%
Title: SopCast 3.4.7 (Diagnose.exe) Improper Permissions
Advisory ID: ZSL-2011-5062
Type: Local
Impact: Privilege Escalation
Risk: (3/5)
Release Date: 05.12.2011
Summary
SopCast is a simple, free way to broadcast video and audio or watch the video and listen to radio on the Internet. Adopting P2P(Peer-to-Peer) technology, It is very efficient and easy to use. SoP is the abbreviation for Streaming over P2P. Sopcast is a Streaming Direct Broadcasting System based on P2P. The core is the communication protocol produced by Sopcast Team, which is named sop://, or SoP technology.
Description
SopCast is vulnerable to an elevation of privileges vulnerability which can be used by a simple user that can change the executable file with a binary of choice. The vulnerability exist due to the improper permissions, with the ‘F’ flag (full control) for the ‘Everyone’ group, for the ‘Diagnose.exe’ binary file which is bundled with the SopCast installation package.
Vendor
SopCast.com - <http://www.sopcast.com>
Affected Version
3.4.7.45585
Tested On
Microsoft Windows XP Professional SP3 (EN)
Vendor Status
[30.11.2011] Vulnerability discovered.
[01.12.2011] Contact with the vendor with sent detailed info.
[04.12.2011] No response from the vendor.
[05.12.2011] Public security advisory released.
PoC
Credits
Vulnerability discovered by Gjoko Krstic - <[email protected]>
References
[1] <http://www.exploit-db.com/exploits/18201/>
[2] <http://secunia.com/advisories/40940/>
[3] <http://xforce.iss.net/xforce/xfdb/71622>
[4] <http://www.securityfocus.com/bid/50908>
[5] <http://packetstormsecurity.org/files/107527/ZSL-2011-5062.txt>
[6] <http://securityreason.com/exploitalert/11022>
[7] <http://osvdb.org/show/osvdb/77724>
[8] <https://vulners.com/cve/CVE-2011-5044>
Changelog
[05.12.2011] - Initial release
[06.12.2011] - Added reference [3], [4] and [5]
[08.12.2011] - Added reference [6]
[15.12.2011] - Added reference [7]
[15.01.2012] - Added reference [8]
Contact
Zero Science Lab
Web: <http://www.zeroscience.mk>
e-mail: [email protected]
<html><body><p>SopCast 3.4.7 (Diagnose.exe) Improper Permissions
Vendor: SopCast.com
Product web page: http://www.sopcast.com
Affected version: 3.4.7.45585
Summary: SopCast is a simple, free way to broadcast video and audio or watch
the video and listen to radio on the Internet. Adopting P2P(Peer-to-Peer)
technology, It is very efficient and easy to use. SoP is the abbreviation for
Streaming over P2P. Sopcast is a Streaming Direct Broadcasting System based
on P2P. The core is the communication protocol produced by Sopcast Team, which
is named sop://, or SoP technology.
Desc: SopCast is vulnerable to an elevation of privileges vulnerability which
can be used by a simple user that can change the executable file with a binary
of choice. The vulnerability exist due to the improper permissions, with the 'F'
flag (full control) for the 'Everyone' group, for the 'Diagnose.exe' binary file
which is bundled with the SopCast installation package.
Tested on: Microsoft Windows XP Professional SP3 (EN)
Vulnerability discovered by Gjoko 'LiquidWorm' Krstic
@zeroscience
Vendor status:
[30.11.2011] Vulnerability discovered.
[01.12.2011] Contact with the vendor with sent detailed info.
[04.12.2011] No response from the vendor.
[05.12.2011] Public security advisory released.
Advisory ID: ZSL-2011-5062
Advisory URL: http://www.zeroscience.mk/en/vulnerabilities/ZSL-2011-5062.php
30.11.2011
--
C:\Program Files\SopCast>cacls Diagnose.exe
C:\Program Files\SopCast\Diagnose.exe Everyone:F <-----
BUILTIN\Users:R
BUILTIN\Power Users:C
BUILTIN\Administrators:F
NT AUTHORITY\SYSTEM:F
LABPC\User101:F
C:\Program Files\SopCast>
</p></body></html>Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.7 Medium
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
26.0%