Sun Solaris 9/10 in.ftpd ls memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.4$0-$5k0.00

A vulnerability was found in Sun Solaris 9/10 (Operating System) and classified as critical. This issue affects an unknown functionality of the component in.ftpd. The manipulation of the argument ls with the input value *** leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

The wu_fnmatch function in wu_fnmatch.c in wu-ftpd 2.6.1 and 2.6.2 allows remote attackers to cause a denial of service (CPU exhaustion by recursion) via a glob pattern with a large number of * (wildcard) characters, as demonstrated using the dir command.

The bug was discovered 02/09/2005. The weakness was shared 05/25/2005 by Adam Zabrocki (pi3 and pi3ki31ny) (Website). It is possible to read the advisory at sunsolve.sun.com. The identification of this vulnerability is CVE-2005-0256 since 02/09/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known.

The exploit is available at idefense.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 18 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 21552 (HP-UX PHNE_34544 : HP-UX Running wu-ftpd Remote Denial of Service (DoS) (HPSBUX02110 SSRT061110 rev.1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family HP-UX Local Security Checks and running in the context l.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at sunsolve.sun.com.Addressing this vulnerability is possible by firewalling . The best possible mitigation is suggested to be applying a restrictive firewalling. A possible mitigation has been published 12 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19495), Tenable (21552) and Exploit-DB (842). secunia.com is providing further details. The entry 1245 is related to this item.

Productinfo

Type

Vendor

Name

Version

License

Support

  • end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.9
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 21552
Nessus Name: HP-UX PHNE_34544 : HP-UX Running wu-ftpd Remote Denial of Service (DoS) (HPSBUX02110 SSRT061110 rev.1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53532
OpenVAS Name: Debian Security Advisory DSA 705-1 (wu-ftpd)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: sunsolve.sun.com
PaloAlto IPS: 🔍

Timelineinfo

02/09/2005 🔍
02/09/2005 +0 days 🔍
02/25/2005 +16 days 🔍
02/25/2005 +0 days 🔍
02/27/2005 +2 days 🔍
03/02/2005 +2 days 🔍
03/29/2005 +27 days 🔍
05/02/2005 +34 days 🔍
05/23/2005 +21 days 🔍
05/25/2005 +2 days 🔍
04/05/2006 +315 days 🔍
05/13/2006 +38 days 🔍
07/03/2019 +4799 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: sunsolve.sun.com⛔
Researcher: Adam Zabrocki (pi3, pi3ki31ny)
Status: Not defined

CVE: CVE-2005-0256 (🔍)
OVAL: 🔍

X-Force: 19495
SecurityTracker: 1013305
Vulnerability Center: 7450 - DoS in Wu-Ftpd via DIR Command with Multiple Asterisk, Medium
Secunia: 15466 - Solaris in.ftpd Wildcard Denial of Service Vulnerability, Less Critical
OSVDB: 14203 - WU-FTPD wu_fnmatch() Function File Globbing Remote DoS
Vupen: ADV-2005-0588

scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 03/02/2005 13:37
Updated: 07/03/2019 09:32
Changes: 03/02/2005 13:37 (100), 07/03/2019 09:32 (7)
Complete: 🔍

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you know our Splunk app?

Download it now for free!