Cyrus IMAPd 2.4.11 improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Cyrus IMAPd 2.4.11. The impacted element is an unknown function. Such manipulation leads to improper authentication. This vulnerability is uniquely identified as CVE-2011-3372. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

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), Tenable (75459), SecurityFocus (BID 49659†), SecurityTracker (ID 1026363†) and Vulnerability Center (SBV-33566†). The entry VDB-58484 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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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 🔍
08/06/2024 +3424 days 🔍

Sourcesinfo

Advisory: Bug 740822
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3372 (🔍)
GCVE (CVE): GCVE-0-2011-3372
GCVE (VulDB): GCVE-100-59792

OVAL: 🔍

X-Force: 70325
SecurityFocus: 49659 - Cyrus IMAP Server 'index_get_ids()' NULL Pointer Dereference Denial Of Service Vulnerability
Secunia: 46093
SecurityTracker: 1026363
Vulnerability Center: 33566 - Cyrus IMAP Server 2.4.10 and 2.4.11 NNTP Remote Authentication-Bypass Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 08/06/2024 18:21
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), 08/06/2024 18:21 (16)
Complete: 🔍
Cache ID: 216::103

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