signkorn guestbook dir_path file include

signkorn-dirpath-file-include (28888) The risk level is classified as MediumMedium Risk

Description:

signkorn guestbook could allow a remote attacker to include arbitrary files. A remote attacker could send a specially-crafted URL request tomultiple scripts using the dir_path parameter to specify a malicious file from a remote system, which could allow the attacker to execute arbitrary code on the vulnerable Web server.

Note: The following scripts are reported to be vulnerable:
log.inc.php
index.php
functions.gb.php
functions.admin.php
admin.inc.php
help.php
smile.php
adminhelp0.php
adminhelp1.php
adminhelp2.php
adminhelp3.php
entry.php
preview.php
log.php
config.php
admin.php

*CVSS:

Base Score: 7
  Access Vector: Remote
  Access Complexity: Low
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 5.2
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of signkorn (1.4 or later), available from the signkorn Web site. See References.

References:

  • BugTraq Mailing List, Wed Sep 13 2006 - 08:05:24 CDT : Signkorn Guestbook <= v1.3 Multiple Remote File Include Vulnerabilities.
  • Telekorn scripts Web site: signkorn guestbook.
  • BID-19977: Telekorn Signkorn Guestbook Dir_Path Multiple Remote File Include Vulnerabilities
  • CVE-2006-4788: PHP remote file inclusion vulnerability in includes/log.inc.php in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled and _SESSION[permission] parameter is set to yes, allows remote attackers to execute arbitrary PHP code via a URL in the dir_path parameter.
  • CVE-2006-4889: Multiple PHP remote file inclusion vulnerabilities in Telekorn SignKorn Guestbook (SL) 1.3 and earlier, when register_globals is enabled, allow remote attackers to execute arbitrary PHP code via a URL in the dir_path parameter in (1) index.php, (2) includes/functions.gb.php, (3) includes/functions.admin.php, (4) includes/admin.inc.php, (5) help.php, (6) smile.php, (7) entry.php; (8) adminhelp0.php, (9) adminhelp1.php, (10) adminhelp2.php, and (11) adminhelp3.php in (a) help/en and (b) help/de directories; and the (12) preview.php, (13) log.php, (14) index.php, (15) config.php, and (16) admin.php in the (c) admin directory, a different set of vectors than CVE-2006-4788.
  • OSVDB ID: 28741: signkorn Guestbook log.inc.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32199: SignKorn Guestbook index.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32200: SignKorn Guestbook includes/functions.gb.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32201: SignKorn Guestbook includes/functions.admin.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32202: SignKorn Guestbook includes/admin.inc.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32203: SignKorn Guestbook help.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32204: SignKorn Guestbook smile.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32205: SignKorn Guestbook help/en/adminhelp0.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32206: SignKorn Guestbook help/en/adminhelp1.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32207: SignKorn Guestbook help/en/adminhelp2.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32208: SignKorn Guestbook help/en/adminhelp3.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32209: SignKorn Guestbook help/de/adminhelp0.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32210: SignKorn Guestbook help/de/adminhelp1.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32211: SignKorn Guestbook help/de/adminhelp2.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32212: SignKorn Guestbook help/de/adminhelp3.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32213: SignKorn Guestbook entry.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32214: SignKorn Guestbook admin/preview.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32215: SignKorn Guestbook admin/log.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32216: SignKorn Guestbook admin/index.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32217: SignKorn Guestbook admin/config.php dir_path Parameter Remote File Inclusion
  • OSVDB ID: 32218: SignKorn Guestbook admin/admin.php dir_path Parameter Remote File Inclusion
  • SA21878: signkorn Guestbook "dir_path" File Inclusion Vulnerability

Platforms Affected:

  • KEIL software signkorn guestbook 1.3

Reported:

Sep 12, 2006

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