Eric Raymond Fetchmail up to 5.8.16 IMAP4/POP3 Server LIST access control
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
9.0 | $0-$5k | 0.00 |
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) and Tenable (13887).
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
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CVSSv3
VulDB Meta Base Score: 10.0VulDB Meta Temp Score: 9.0
VulDB Base Score: 10.0
VulDB Temp Score: 9.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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Exploiting
Class: Access controlCWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
Programming Language: 🔍
Download: 🔍
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0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Fetchmail 5.8.17
Timeline
08/09/2001 🔍08/09/2001 🔍
08/10/2001 🔍
08/31/2001 🔍
08/31/2001 🔍
08/31/2001 🔍
07/31/2004 🔍
05/24/2007 🔍
07/08/2014 🔍
07/19/2019 🔍
Sources
Advisory: archives.neohapsis.comStatus: Not defined
CVE: CVE-2001-1009 (🔍)
X-Force: 6965
Vulnerability Center: 15215 - Fetchmail Code Execution via a Negative Index Number in a Response to LIST Request, High
SecurityFocus: 3166 - Fetchmail IMAP Reply Signed Integer Index Vulnerability
OSVDB: 10329 - Fetchmail signed integer as array index
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/08/2014 17:13Updated: 07/19/2019 18:02
Changes: 07/08/2014 17:13 (77), 07/19/2019 18:02 (5)
Complete: 🔍
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