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

A vulnerability was found in Carnegie Mellon University Cyrus IMAP Server up to 2.2.9 and classified as very critical. This issue affects the function mysasl_canon_user of the component IMAP Server. The manipulation with an unknown input leads to a off-by-one vulnerability. Using CWE to declare the problem leads to CWE-193. A product calculates or uses an incorrect maximum or minimum value that is 1 more, or 1 less, than the correct value. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Off-by-one error in the mysasl_canon_user function in Cyrus IMAP Server 2.2.9 and earlier leads to a buffer overflow, which may allow remote attackers to execute arbitrary code via the username.

The weakness was published 01/10/2005 by Sebastian Krahmer (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2004-1067 since 11/29/2004. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 05/27/2019).

The vulnerability scanner Nessus provides a plugin with the ID 20653 (Ubuntu 4.10 : cyrus21-imapd vulnerability (USN-37-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 3344.

The vulnerability is also documented in the databases at X-Force (18333) and Tenable (20653). Similar entries are available at 21897, 23662, 23661 and 23660.

Productinfo

Vendor

• Carnegie Mellon University

Name

• Cyrus IMAP Server

Version

• 2.2.0
• 2.2.1
• 2.2.2
• 2.2.3
• 2.2.4
• 2.2.5
• 2.2.6
• 2.2.7
• 2.2.8
• 2.2.9

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 20653
Nessus Name: Ubuntu 4.10 : cyrus21-imapd vulnerability (USN-37-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍
PaloAlto IPS: 🔍

Timelineinfo

11/24/2004 🔍
11/29/2004 +5 days 🔍
12/02/2004 +3 days 🔍
12/02/2004 +0 days 🔍
12/13/2004 +11 days 🔍
01/10/2005 +28 days 🔍
01/10/2005 +0 days 🔍
01/15/2006 +370 days 🔍
03/10/2015 +3341 days 🔍
05/27/2019 +1539 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Sebastian Krahmer
Status: Not defined
Confirmation: 🔍

CVE: CVE-2004-1067 (🔍)
X-Force: 18333
Vulnerability Center: 6437 - Buffer Overflow in Carnegie Mellon University Cyrus IMAP Server mysasl_canon_user Function, High
SecurityFocus: 11738 - Cyrus IMAPD Multiple Remote Unspecified Vulnerabilities

See also: 🔍

Entryinfo

Created: 03/10/2015 12:14
Updated: 05/27/2019 09:57
Changes: 03/10/2015 12:14 (69), 05/27/2019 09:57 (4)
Complete: 🔍

Discussion

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