Timo Sirainen Dovecot up to 1.0test53 off-by-one

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Timo Sirainen Dovecot up to 1.0test53. This affects an unknown part. Such manipulation leads to off-by-one. This vulnerability is uniquely identified as CVE-2006-5973. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Timo Sirainen Dovecot up to 1.0test53 (Mail Server Software) and classified as critical. Affected by this issue is an unknown code block. 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 availability. CVE summarizes:

Off-by-one buffer overflow in Dovecot 1.0test53 through 1.0.rc14, and possibly other versions, when index files are used and mmap_disable is set to "yes," allows remote authenticated IMAP or POP3 users to cause a denial of service (crash) via unspecified vectors involving the cache file.

The bug was discovered 11/18/2006. The weakness was disclosed 11/20/2006 (Website). The advisory is shared for download at dovecot.org. This vulnerability is handled as CVE-2006-5973 since 11/20/2006. 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.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 27201 (openSUSE 10 Security Update : dovecot (dovecot-2306)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165105 (SUSE Security Update for mono-core (SUSE-SA:2006:073)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (30433), Tenable (27201), SecurityFocus (BID 21183†), OSVDB (30524†) and Secunia (SA23007†). The entries VDB-32630, VDB-32299 and VDB-32297 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
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: Off-by-one
CWE: CWE-193 / CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 27201
Nessus Name: openSUSE 10 Security Update : dovecot (dovecot-2306)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 861394
OpenVAS Name: Family Connections argv[1] Parameter Remote Arbitrary Command Execution Vulnerability
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

11/18/2006 🔍
11/18/2006 +0 days 🔍
11/20/2006 +2 days 🔍
11/20/2006 +0 days 🔍
11/20/2006 +0 days 🔍
11/20/2006 +0 days 🔍
11/20/2006 +0 days 🔍
11/26/2006 +6 days 🔍
11/27/2006 +1 days 🔍
01/23/2007 +57 days 🔍
10/17/2007 +267 days 🔍
03/12/2015 +2703 days 🔍
04/27/2026 +4064 days 🔍

Sourcesinfo

Advisory: dovecot.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5973 (🔍)
GCVE (CVE): GCVE-0-2006-5973
GCVE (VulDB): GCVE-100-33332
X-Force: 30433
SecurityFocus: 21183 - Dovecot IMAP Server Mapped Pages Off-By-One Buffer Overflow Vulnerability
Secunia: 23007 - Dovecot Cache File Off-By-One Vulnerability, Moderately Critical
OSVDB: 30524 - Dovecot - IMAP Server - Mapped Pages - Off-By-One - Buffer Overflow Issue
SecurityTracker: 1017288
Vulnerability Center: 14131 - Dovecot Buffer Overflow via Cache File, High
Vupen: ADV-2006-4614

See also: 🔍

Entryinfo

Created: 03/12/2015 22:21
Updated: 04/27/2026 22:47
Changes: 03/12/2015 22:21 (76), 07/14/2019 08:02 (14), 04/27/2026 22:47 (17)
Complete: 🔍
Cache ID: 216::103

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