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.
7.0	$0-$5k	0.00

A vulnerability was found in Cyrus IMAPd 2.4.11 and classified as critical. Affected by this issue is an unknown code block. The manipulation with an unknown input leads to a improper authentication vulnerability. Using CWE to declare the problem leads to CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. Impacted is confidentiality, integrity, and availability. CVE summarizes:

imap/nntpd.c in the NNTP server (nntpd) for Cyrus IMAPd 2.4.x before 2.4.12 allows remote attackers to bypass authentication by sending an AUTHINFO USER command without sending an additional AUTHINFO PASS command.

The weakness was disclosed 12/24/2011 as Bug 740822 as not defined bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is handled as CVE-2011-3372. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 75459 (openSUSE Security Update : cyrus-imapd (openSUSE-SU-2011:1170-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350720 (Amazon Linux Security Advisory for cyrus-imapd: ALAS-2011-027).

Upgrading to version 2.4.11 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (70325) and Tenable (75459). The entry 58484 is pretty similar.

Productinfo

Vendor

• Cyrus

Name

• IMAPd

Version

• 2.4.11

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

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

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
ATT&CK: Unknown

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: 75459
Nessus Name: openSUSE Security Update : cyrus-imapd (openSUSE-SU-2011:1170-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 70407
OpenVAS Name: Debian Security Advisory DSA 2318-1 (cyrus-imapd-2.2)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: IMAPd 2.4.11
Patch: git.cyrusimap.org

Timelineinfo

08/30/2011 🔍
09/08/2011 +9 days 🔍
10/07/2011 +29 days 🔍
10/18/2011 +11 days 🔍
12/24/2011 +67 days 🔍
12/24/2011 +0 days 🔍
06/13/2014 +902 days 🔍
03/23/2015 +283 days 🔍
11/28/2021 +2442 days 🔍

Sourcesinfo

Advisory: Bug 740822
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3372 (🔍)
OVAL: 🔍

X-Force: 70325
Vulnerability Center: 33566 - Cyrus IMAP Server 2.4.10 and 2.4.11 NNTP Remote Authentication-Bypass Vulnerability, High
SecurityFocus: 49659 - Cyrus IMAP Server 'index_get_ids()' NULL Pointer Dereference Denial Of Service Vulnerability
Secunia: 46093

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/28/2021 14:06
Changes: 03/23/2015 16:50 (64), 04/04/2017 11:06 (9), 11/28/2021 14:05 (6), 11/28/2021 14:06 (1)
Complete: 🔍

Discussion

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