VDB-4248 · SA42954 · Tippingpoint 10781

Citrix Provisioning Services up to 5.6 Network Communication 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.
6.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Citrix Provisioning Services up to 5.6. It has been declared as critical. This affects an unknown part of the component Network Communication Handler. The manipulation results in memory corruption. There is no available exploit. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability classified as critical has been found in Citrix Provisioning Services up to 5.6 (Connectivity Software). Affected is some unknown processing of the component Network Communication Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was presented 01/19/2011 with ZDI (Website). The advisory is shared for download at zerodayinitiative.com. It is possible to launch the attack remotely. There are neither technical details nor an exploit publicly available.

Upgrading to version 5.6 SP1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at support.citrix.com. The best possible mitigation is suggested to be patching the affected component. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 10781. The filter is assigned to the category Exploits.

The vulnerability is also documented in the vulnerability database at Secunia (SA42954†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Connectivity Software

Vendor

Citrix

Name

Provisioning Services

Version

License

commercial

Website

Vendor: https://www.citrix.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: Provisioning Services 5.6 SP1
Patch: support.citrix.com
TippingPoint: 🔍
TippingPoint Title: 🔍
TippingPoint Category: 🔍

Timelineinfo

01/19/2011 🔍
01/19/2011 +0 days 🔍
02/14/2011 +26 days 🔍
04/24/2018 +2626 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: zerodayinitiative.com
Researcher: http://www.zerodayinitiative.com
Organization: ZDI
Status: Not defined

GCVE (VulDB): GCVE-100-4248
Secunia: 42954 - Citrix Provisioning Services Packet Handling Buffer Overflow Vulnerability, Moderately Critical

Entryinfo

Created: 02/14/2011 10:56
Updated: 04/24/2018 08:49
Changes: 02/14/2011 10:56 (55), 04/24/2018 08:49 (1)
Complete: 🔍
Cache ID: 216:554:103

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