Dovecot up to 2.0.12 input validation

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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in Dovecot and classified as problematic. The impacted element is an unknown function. The manipulation leads to input validation. This vulnerability is referenced as CVE-2011-1929. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Dovecot (Mail Server Software) and classified as problematic. This issue affects an unknown part. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. The summary by CVE is:

lib-mail/message-header-parser.c in Dovecot 1.2.x before 1.2.17 and 2.0.x before 2.0.13 does not properly handle \0 characters in header names, which allows remote attackers to cause a denial of service (daemon crash or mailbox corruption) via a crafted e-mail message.

The weakness was published 05/24/2011 by Timo Sirainen as Bug 706286 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2011-1929 since 05/09/2011. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 75818 (openSUSE Security Update : dovecot12 (dovecot12-4609)), 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 165195 (SUSE Security Update for Multiple Packages (SUSE-SR:2011:010)).

Upgrading to version 1.2.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (67589), Tenable (75818), SecurityFocus (BID 47930†), OSVDB (72495†) and Secunia (SA44712†). Similar entries are available at VDB-61045, VDB-61044, VDB-57514 and VDB-57504. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Mail Server Software

Name

• Dovecot

Version

• 1.2.0
• 1.2.1
• 1.2.2
• 1.2.3
• 1.2.4
• 1.2.5
• 1.2.6
• 1.2.7
• 1.2.8
• 1.2.9
• 1.2.10
• 1.2.11
• 1.2.12
• 1.2.13
• 1.2.14
• 1.2.15
• 1.2.16
• 2.0.0
• 2.0.1
• 2.0.2
• 2.0.3
• 2.0.4
• 2.0.5
• 2.0.6
• 2.0.7
• 2.0.8
• 2.0.9
• 2.0.10
• 2.0.11
• 2.0.12

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
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: 75818
Nessus Name: openSUSE Security Update : dovecot12 (dovecot12-4609)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69959
OpenVAS Name: Debian Security Advisory DSA 2252-1 (dovecot)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Dovecot 1.2.4

Timelineinfo

05/09/2011 🔍
05/11/2011 +2 days 🔍
05/19/2011 +8 days 🔍
05/24/2011 +5 days 🔍
05/24/2011 +0 days 🔍
05/26/2011 +2 days 🔍
06/05/2011 +10 days 🔍
06/13/2014 +1104 days 🔍
03/23/2015 +283 days 🔍
11/07/2021 +2421 days 🔍

Sourcesinfo

Advisory: Bug 706286
Researcher: Timo Sirainen
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-1929 (🔍)
GCVE (CVE): GCVE-0-2011-1929
GCVE (VulDB): GCVE-100-57515

OVAL: 🔍

X-Force: 67589
SecurityFocus: 47930 - Dovecot Header Name NULL Character Denial of Service Vulnerability
Secunia: 44712 - SUSE update for dovecot, Moderately Critical
OSVDB: 72495
Vulnerability Center: 31661 - Dovecot 1.2.0-1.2.16 and 2.0.0-2.0.12 Remote DoS Vulnerability via a Crafted E-Mail Message, Medium

See also: 🔍

Entryinfo

Created: 03/23/2015 16:50
Updated: 11/07/2021 18:58
Changes: 03/23/2015 16:50 (67), 03/23/2017 08:17 (14), 11/07/2021 18:58 (3)
Complete: 🔍
Cache ID: 216::103

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