Citrix Access Gateway up to 4.4 Advanced Access Control information disclosure

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.
4.8$0-$5k0.00

A vulnerability has been found in Citrix Access Gateway up to 4.4 (Connectivity Software) and classified as problematic. This vulnerability affects an unknown function of the component Advanced Access Control. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

The web portal interface in Citrix Access Gateway (aka Citrix Advanced Access Control) before Advanced Edition 4.5 HF1 places a session ID in the URL, which allows context-dependent attackers to hijack sessions by reading "residual information", including the a referer log, browser history, or browser cache.

The bug was discovered 07/19/2007. The weakness was published 10/22/2007 by Paul with Corsaire (Website). The advisory is available at securityfocus.com. This vulnerability was named CVE-2007-0011 since 01/01/2007. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 96 days. During that time the estimated underground price was around $5k-$25k.

Upgrading to version 4.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (35510). Similar entries are available at 38019, 38018, 38017 and 38014.

Productinfo

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Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Access Gateway 4.5

Timelineinfo

01/01/2007 🔍
07/19/2007 +199 days 🔍
07/19/2007 +0 days 🔍
07/20/2007 +1 days 🔍
07/20/2007 +0 days 🔍
07/25/2007 +5 days 🔍
08/05/2007 +11 days 🔍
10/22/2007 +78 days 🔍
11/05/2007 +13 days 🔍
05/17/2008 +194 days 🔍
03/16/2015 +2493 days 🔍
07/23/2019 +1590 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: securityfocus.com⛔
Researcher: Paul
Organization: Corsaire
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-0011 (🔍)
X-Force: 35510
SecurityTracker: 1018435
Vulnerability Center: 15760 - Citrix Access Gateway Advanced Edition < 4.5 HF1 Sessions Hijacking, Medium
SecurityFocus: 24975 - Citrix Access Gateway Standard and Advanced Edition Multiple Remote Vulnerabilities
Secunia: 26143
OSVDB: 45288 - Citrix Access Gateway Web Portal Interface URI Session ID Disclosure
Vupen: ADV-2007-2583

See also: 🔍

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/23/2019 06:58
Changes: 03/16/2015 12:18 (75), 07/23/2019 06:58 (1)
Complete: 🔍

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