|
OpenBSD bgplg "cmd" Cross-Site Scripting Vulnerability
|
|
|
|
|
Secunia Advisory:
|
SA28726
|
|
|
Release Date:
|
2008-01-31
|
|
Last Update:
|
2008-02-07
|
|
|
Critical:
|
Less critical
|
|
Impact:
|
Cross Site Scripting
|
|
Where:
|
From remote
|
|
Solution Status:
|
Vendor Workaround
|
|
| OS: | OpenBSD 4.1
OpenBSD 4.2
|
|
| | CVE reference: | CVE-2007-6700 (Secunia mirror)
|
|
|
|
|
|
Description:
Alexandr Polyakov and Anton Karpov have reported a vulnerability in OpenBSD bgplg, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input via the "cmd" parameter to the bgplg cgi-bin script is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerability is reported in OpenBSD 4.1 and confirmed in OpenBSD 4.2.
Solution:
Filter malicious characters and character sequences using a web proxy. Fixed in CVS repository.
http://www.openbsd.org/cgi-bin/cvsweb...gplg.c.diff?r1=1.6&r2=1.7&f=h
Provided and/or discovered by:
Alexandr Polyakov and Anton Karpov, Digital Security Research Group
Changelog:
2008-02-01: Updated "Description" section due to the confirmation of the vulnerability in OpenBSD 4.2.
2008-02-07: Added CVE reference.
Original Advisory:
http://www.mail-archive.com/misc@openbsd.org/msg49057.html
http://www.openbsd.org/cgi-bin/cvsweb/src/usr.bin/bgplg/bgplg.c
|
|
|
|
|
Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.
Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.
|
|
|
|
11 Related Secunia Security Advisories, displaying 10
|
|
|
1. OpenBSD BIND Query Port DNS Cache Poisoning
|
|
2. OpenBSD update for X.Org
|
|
3. OpenBSD update for OpenSSH
|
|
4. OpenBSD OpenSSH ForceCommand Bypass Weakness
|
|
5. OpenBSD ppp Buffer Overflow Vulnerability
|
|
6. OpenBSD Two Denial of Service Vulnerabilities
|
|
7. OpenBSD update for X.Org
|
|
8. OpenBSD DNS Server PRNG Transaction ID Vulnerability
|
|
9. OpenBSD SIOCGIFRTLABEL Denial of Service Vulnerability
|
|
10. OpenBSD update for OpenSSL
|
Show all related advisories
|
|
|
Send Feedback to Secunia
|
|
If you have new information regarding this Secunia advisory or a product in our database, please send it to us using either our web form or email us at vuln@secunia.com.
Ideas, suggestions, and other feedback are most welcome.
|
|
|
|
