Eric S. Raymond Fetchmail up to 6.3.5 MDA Option input validation

CVSS Meta Temp Score
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CTI Interest Score
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5.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Eric S. Raymond Fetchmail up to 6.3.5. The impacted element is an unknown function of the component MDA Option Handler. The manipulation leads to input validation. This vulnerability is documented as CVE-2006-5867. There is not any exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Eric S. Raymond Fetchmail up to 6.3.5. This issue affects an unknown functionality of the component MDA Option Handler. 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:

fetchmail before 6.3.6-rc4 does not properly enforce TLS and may transmit cleartext passwords over unsecured links if certain circumstances occur, which allows remote attackers to obtain sensitive information via man-in-the-middle (MITM) attacks.

The weakness was released 01/08/2007 by Neil Hoggarth (Website). The advisory is shared at fetchmail.berlios.de. The identification of this vulnerability is CVE-2006-5867 since 11/14/2006. The attack can only be done within the local network. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 24346 (Debian DSA-1259-1 : fetchmail - programming error), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156180 (Oracle Enterprise Linux Update for Fetchmail (ELSA-2007:0018)).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at developer.berlios.de. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (24346), SecurityFocus (BID 21903†), OSVDB (31580†), Secunia (SA24174†) and SecurityTracker (ID 1017478†). Entries connected to this vulnerability are available at VDB-1930 and VDB-2802. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

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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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: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 24346
Nessus Name: Debian DSA-1259-1 : fetchmail - programming error
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58014
OpenVAS Name: Debian Security Advisory DSA 1259-1 (fetchmail)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Patch: developer.berlios.de

Timelineinfo

11/14/2006 🔍
12/31/2006 +47 days 🔍
01/06/2007 +6 days 🔍
01/08/2007 +2 days 🔍
01/08/2007 +0 days 🔍
01/08/2007 +0 days 🔍
01/09/2007 +0 days 🔍
02/14/2007 +36 days 🔍
02/15/2007 +1 days 🔍
02/15/2007 +0 days 🔍
04/28/2019 +4455 days 🔍

Sourcesinfo

Advisory: fetchmail.berlios.de
Researcher: Neil Hoggarth
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2006-5867 (🔍)
GCVE (CVE): GCVE-0-2006-5867
GCVE (VulDB): GCVE-100-2801

OVAL: 🔍

SecurityFocus: 21903 - Fetchmail Multiple Password Information Disclosure Vulnerabilities
Secunia: 24174 - Debian update for fetchmail, Less Critical
OSVDB: 31580 - Fetchmail TLS Enforcement Cleartext Credential Disclosure
SecurityTracker: 1017478
Vupen: ADV-2007-0088

See also: 🔍

Entryinfo

Created: 01/09/2007 13:43
Updated: 04/28/2019 10:10
Changes: 01/09/2007 13:43 (85), 04/28/2019 10:10 (7)
Complete: 🔍
Cache ID: 216:9B2:103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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