Eric Raymond Fetchmail up to 5.8.16 IMAP4/POP3 Server LIST access control

CVSS Meta Temp Score
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CTI Interest Score
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9.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Eric Raymond Fetchmail up to 5.8.16. Affected is an unknown function of the component IMAP4/POP3 Server. The manipulation of the argument LIST with the input -1 leads to access control. This vulnerability is documented as CVE-2001-1009. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Eric Raymond Fetchmail up to 5.8.16. This issue affects an unknown functionality of the component IMAP4/POP3 Server. The manipulation of the argument LIST with the input value -1 leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Fetchmail (aka fetchmail-ssl) before 5.8.17 allows a remote malicious (1) IMAP server or (2) POP/POP3 server to overwrite arbitrary memory and possibly gain privileges via a negative index number as part of a response to a LIST request.

The bug was discovered 08/10/2001. The weakness was released 08/31/2001 (Website). It is possible to read the advisory at archives.neohapsis.com. The identification of this vulnerability is CVE-2001-1009. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

A public exploit has been developed in ANSI C. The exploit is available at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 21 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 13887 (Mandrake Linux Security Advisory : fetchmail (MDKSA-2001:072)), 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.

Upgrading to version 5.8.17 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (6965), Exploit-DB (21066), Tenable (13887), SecurityFocus (BID 3166†) and OSVDB (10329†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.0

VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍

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Nessus ID: 13887
Nessus Name: Mandrake Linux Security Advisory : fetchmail (MDKSA-2001:072)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53821
OpenVAS Name: Debian Security Advisory DSA 071-1 (fetchmail)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: Fetchmail 5.8.17

Timelineinfo

08/09/2001 🔍
08/09/2001 +0 days 🔍
08/10/2001 +1 days 🔍
08/31/2001 +21 days 🔍
08/31/2001 +0 days 🔍
08/31/2001 +0 days 🔍
07/31/2004 +1065 days 🔍
05/24/2007 +1027 days 🔍
07/08/2014 +2602 days 🔍
01/19/2025 +3848 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Confirmed

CVE: CVE-2001-1009 (🔍)
GCVE (CVE): GCVE-0-2001-1009
GCVE (VulDB): GCVE-100-17291
X-Force: 6965
SecurityFocus: 3166 - Fetchmail IMAP Reply Signed Integer Index Vulnerability
OSVDB: 10329 - Fetchmail signed integer as array index
Vulnerability Center: 15215 - Fetchmail Code Execution via a Negative Index Number in a Response to LIST Request, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/08/2014 17:13
Updated: 01/19/2025 17:36
Changes: 07/08/2014 17:13 (77), 07/19/2019 18:02 (5), 01/19/2025 17:36 (19)
Complete: 🔍
Cache ID: 216:B93:103

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