Mutt 1.4.2/1.4.2.1 IMAP Server browse_get_namespace stack-based overflow

HistoryDiffrelatejsonxmlCTI

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Mutt 1.4.2/1.4.2.1. It has been classified as critical. The affected element is the function browse_get_namespace of the component IMAP Server. This manipulation causes stack-based overflow. This vulnerability is registered as CVE-2006-3242. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in Mutt 1.4.2/1.4.2.1 (Mail Client Software). Affected by this vulnerability is the function browse_get_namespace of the component IMAP Server. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in the browse_get_namespace function in imap/browse.c of Mutt 1.4.2.1 and earlier allows remote attackers to cause a denial of service (crash) or execute arbitrary code via long namespaces received from the IMAP server.

The bug was discovered 06/19/2006. The weakness was published 06/27/2006 (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2006-3242 since 06/26/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 8 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 21777 (Mandrake Linux Security Advisory : mutt (MDKSA-2006:115)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Mandriva Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117687 (CentOS Security Update for Mutt (CESA-2006:0577)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 1 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (27428), Tenable (21777), SecurityFocus (BID 18642†), OSVDB (26814†) and Secunia (SA20810†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Mail Client Software

Name

Mutt

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 21777
Nessus Name: Mandrake Linux Security Advisory : mutt (MDKSA-2006:115)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57105
OpenVAS Name: Debian Security Advisory DSA 1108-1 (mutt)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/19/2006 🔍
06/26/2006 +7 days 🔍
06/26/2006 +0 days 🔍
06/26/2006 +0 days 🔍
06/27/2006 +1 days 🔍
06/27/2006 +0 days 🔍
06/27/2006 +0 days 🔍
06/28/2006 +1 days 🔍
06/29/2006 +1 days 🔍
07/03/2006 +4 days 🔍
07/12/2006 +9 days 🔍
03/12/2015 +3165 days 🔍
06/21/2025 +3754 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-3242 (🔍)
GCVE (CVE): GCVE-0-2006-3242
GCVE (VulDB): GCVE-100-31015

OVAL: 🔍

X-Force: 27428
SecurityFocus: 18642 - Mutt BROWSE_GET_NAMESPACE IMAP Namespace Processing Remote Buffer Overflow Vulnerability
Secunia: 20810 - Mutt IMAP Namespace Buffer Overflow Vulnerability, Moderately Critical
OSVDB: 26814 - CVE-2006-3242 - Mutt - Buffer Overflow Issue
SecurityTracker: 1016482
Vulnerability Center: 12152 - Mutt Buffer Overflow in IMAP Server, High
Vupen: ADV-2006-2522

Entryinfo

Created: 03/12/2015 14:25
Updated: 06/21/2025 19:57
Changes: 03/12/2015 14:25 (84), 06/22/2019 06:39 (5), 06/21/2025 19:57 (18)
Complete: 🔍
Cache ID: 216::103