Cisco MDS Fiber Channel Switch 5.2/6.2 NX-OS gethostbyname2 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.
9.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as very critical has been discovered in Cisco MDS Fiber Channel Switch 5.2/6.2. This issue affects the function gethostbyname2 of the component NX-OS. Such manipulation leads to memory corruption. This vulnerability is documented as CVE-2015-0235. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Cisco MDS Fiber Channel Switch 5.2/6.2. Affected by this issue is the function gethostbyname2 of the component NX-OS. The manipulation with an unknown input 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 confidentiality, integrity, and availability.

The weakness was released 04/14/2015 with Qualys as Oracle Critical Patch Update Advisory - April 2015 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2015-0235 since 11/18/2014. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/15/2024).

A public exploit has been developed by 1n3 in Ruby and been published before and not just after the advisory. The exploit is available at securityfocus.com. It is declared as highly functional. As 0-day the estimated underground price was around $100k and more. The vulnerability scanner Nessus provides a plugin with the ID 81136 (openSUSE Security Update : glibc (openSUSE-SU-2015:0184-1) (GHOST)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The Nessus plugin is testing the existence of the vulnerability with the following NASL code:

# Checks for below glibc-2.17
if (rpm_check(release:"ALA", reference:"glibc-2.17-0.0.amzn1"))
{
  # Clean out initial report from first check
  __rpm_report = '';
  if (rpm_check(release:"ALA", reference:"glibc-2.12-1.149.49.amzn1")) flag++;
(...)

The commercial vulnerability scanner Qualys is able to test this issue with plugin 124172 (Apple Mac OS X v10.11.1 Not Installed (APPLE-SA-2015-10-21-4)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 19375.

The vulnerability is also documented in the databases at X-Force (98852), Exploit-DB (35951), Tenable (81136), SecurityFocus (BID 72325†) and Secunia (SA62517†). krebsonsecurity.com is providing further details. Entries connected to this vulnerability are available at VDB-68254, VDB-68857, VDB-74910 and VDB-74899. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Cisco

Name

MDS Fiber Channel Switch

Version

License

commercial

Website

Vendor: https://www.cisco.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Author: 1n3
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 81136
Nessus Name: openSUSE Security Update : glibc (openSUSE-SU-2015:0184-1) (GHOST)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 14611
OpenVAS Name: Amazon Linux Local Check: alas-2015-494
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: wordpress_ghost_scanner.rb
MetaSploit Name: WildFly Directory Traversal
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍
Suricata ID: 2020325
Suricata Class: 🔍
Suricata Message: 🔍

TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

11/18/2014 🔍
01/27/2015 +70 days 🔍
01/27/2015 +0 days 🔍
01/28/2015 +1 days 🔍
01/29/2015 +1 days 🔍
01/29/2015 +0 days 🔍
02/02/2015 +4 days 🔍
02/03/2015 +1 days 🔍
04/14/2015 +70 days 🔍
04/14/2015 +0 days 🔍
04/15/2015 +1 days 🔍
07/26/2015 +102 days 🔍
10/15/2024 +3369 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: Oracle Critical Patch Update Advisory - April 2015
Organization: Qualys
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-0235 (🔍)
GCVE (CVE): GCVE-0-2015-0235
GCVE (VulDB): GCVE-100-74936

OVAL: 🔍

X-Force: 98852
SecurityFocus: 72325 - GNU glibc CVE-2015-0235 Remote Heap Buffer Overflow Vulnerability
Secunia: 62517 - McAfee Multiple Products GNU C Library Buffer Overflow Vulnerability, Highly Critical
SecurityTracker: 1032909
Vulnerability Center: 51594 - [cpuapr2015-2365600] GNU glibc Remote Code Execution due to a Flaw in the Strcpy Function - CVE-2015-0235, Critical

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

Entryinfo

Created: 04/15/2015 14:26
Updated: 10/15/2024 04:47
Changes: 04/15/2015 14:26 (86), 11/06/2018 07:59 (19), 05/06/2022 20:57 (3), 10/15/2024 04:47 (14)
Complete: 🔍
Cache ID: 216:8B9:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ Previous Overview Next ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!