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CVE Descriptions
The Inventory Scout daemon (invscoutd) 1.3.0.0 and 2.0.2 for AIX 4.3.3 and 5.1 allows local users to gain privileges via a symlink attack on a command line argument (log file). NOTE: this might be related to CVE-2006-5002.
CVE Informations
Related Weaknesses
| Weakness Name | Source | |
|---|---|---|
| Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') The product contains a concurrent code sequence that requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence operating concurrently. |
Metrics
| Metrics | Score | Severity | CVSS Vector | Source |
|---|---|---|---|---|
| V2 | 6.9 | AV:L/AC:M/Au:N/C:C/I:C/A:C | nvd@nist.gov |
EPSS
EPSS is a scoring model that predicts the likelihood of a vulnerability being exploited.
EPSS Score
The EPSS model produces a probability score between 0 and 1 (0 and 100%). The higher the score, the greater the probability that a vulnerability will be exploited.
EPSS Percentile
The percentile is used to rank CVE according to their EPSS score. For example, a CVE in the 95th percentile according to its EPSS score is more likely to be exploited than 95% of other CVE. Thus, the percentile is used to compare the EPSS score of a CVE with that of other CVE.
Exploit information
Exploit Database EDB-ID : 23883
Publication date : 2003-05-28 22h00 +00:00
Author : watercloud
EDB Verified : Yes
source: https://www.securityfocus.com/bid/9982/info
Reportedly AIX invscoutd insecurely handles temporary files; this may allow a local attacker to destroy data on vulnerable system. This issue is due to a design error that allows a user to specify a log file that the process writes to while holding escalated privileges.
This issue may allow a malicious user to corrupt arbitrary files on the affected system, potentially leading to a system wide denial of service condition. It has also been conjectured that this issue may be leveraged to allow an attacker to gain escalated privileges, although this is unconfirmed.
#!/usr/bin/perl
# FileName: x_invscoutd.pl
# Exploit invscoutd of Aix4.x & 5L to get a uid=0 shell.
# Tested : on Aix4.3.3 & Aix5.1.
# Some high version of invscoutd is not affected.
# Author : watercloud@xfocus.org
# Site : www.xfocus.org www.xfocus.net
# Date : 2003-5-29
# Announce: use as your owner risk!
$LOG="/tmp/.ex/.hello\n+ +\nworld";
$CMD="/usr/sbin/invscoutd";
umask 022;
mkdir "/tmp/.ex",0777;
print "Exploit error on kill process invscoutd !!" ,exit 1
if &killproc() == 0;
Products Mentioned
Configuraton 0
Ibm>>Aix >> Version 4.3.3
- Ibm>>Aix >> Version 4.3.3 (Open CPE detail)
Ibm>>Aix >> Version 5.1
- Ibm>>Aix >> Version 5.1 (Open CPE detail)
Ibm>>Aix >> Version 5.1l
- Ibm>>Aix >> Version 5.1l (Open CPE detail)
References
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