Dovecot up to 1.0.x Access Restriction access control

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.9$0-$5k0.00

A vulnerability has been found in Dovecot up to 1.0.x (Mail Server Software) and classified as critical. Affected by this vulnerability is an unknown code of the component Access Restriction. The manipulation with an unknown input leads to a access control vulnerability. The CWE definition for the vulnerability is CWE-264. As an impact it is known to affect confidentiality, and integrity. The summary by CVE is:

The ACL plugin in Dovecot before 1.1.4 treats negative access rights as if they are positive access rights, which allows attackers to bypass intended access restrictions.

The bug was discovered 10/05/2008. The weakness was published 10/15/2008 (Website). The advisory is shared at dovecot.org. This vulnerability is known as CVE-2008-4577 since 10/15/2008. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 34670 (Fedora 9 : dovecot-1.0.15-14.fc9 (2008-9202)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116146 (Red Hat Update for dovecot (RHSA-2009:0205-10)).

Upgrading to version 1.0.beta2 eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (45667) and Tenable (34670). Similar entries are available at 44801 and 44546.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.5
VulDB Temp Score: 5.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Access control
CWE: CWE-264
ATT&CK: T1068

Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 34670
Nessus Name: Fedora 9 : dovecot-1.0.15-14.fc9 (2008-9202)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 61916
OpenVAS Name: FreeBSD Ports: dovecot
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Dovecot 1.0.beta2

Timelineinfo

10/05/2008 🔍
10/05/2008 +0 days 🔍
10/15/2008 +10 days 🔍
10/15/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/15/2008 +0 days 🔍
10/30/2008 +15 days 🔍
10/31/2008 +1 days 🔍
11/02/2008 +2 days 🔍
03/17/2015 +2326 days 🔍
08/20/2019 +1617 days 🔍

Sourcesinfo

Advisory: dovecot.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-4577 (🔍)
OVAL: 🔍

X-Force: 45667
Vulnerability Center: 19913 - Dovecot < 1.1.4 ACL Plugin Allows Access Restrictions Bypass, Medium
SecurityFocus: 31587 - Dovecot ACL Plugin Multiple Security Bypass Vulnerabilities
Secunia: 32164
OSVDB: 49098 - CVE-2008-4577 - Dovecot - Security Bypass Issue
Vupen: ADV-2008-2745

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/20/2019 10:07
Changes: 03/17/2015 16:11 (77), 08/20/2019 10:07 (8)
Complete: 🔍

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