Fetchmail up to 6.1.3 @ Character memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Fetchmail up to 6.1.3. Affected by this vulnerability is an unknown functionality of the component @ Character Handler. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2002-1365. No exploit is available.

Detailsinfo

A vulnerability was found in Fetchmail up to 6.1.3. It has been rated as critical. Affected by this issue is an unknown function of the component @ Character Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer overflow in Fetchmail 6.1.3 and earlier does not account for the "@" character when determining buffer lengths for local addresses, which allows remote attackers to execute arbitrary code via a header with a large number of local addresses.

The bug was discovered 12/13/2002. The weakness was published 12/23/2002 by Stefan Esser (e-matters) (Website). The advisory is available at redhat.com. This vulnerability is handled as CVE-2002-1365. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

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 13775 (SUSE-SA:2003:001: fetchmail), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115015 (Red Hat Fetchmail Heap Corruption Vulnerability).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (10839), Tenable (13775), SecurityFocus (BID 6390†), OSVDB (4594†) and Vulnerability Center (SBV-6816†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13775
Nessus Name: SUSE-SA:2003:001: fetchmail
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 53455
OpenVAS Name: Debian Security Advisory DSA 216-1 (fetchmail)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/13/2002 🔍
12/13/2002 +0 days 🔍
12/13/2002 +0 days 🔍
12/23/2002 +10 days 🔍
12/23/2002 +0 days 🔍
07/25/2004 +580 days 🔍
01/10/2005 +169 days 🔍
07/31/2014 +3489 days 🔍
09/06/2025 +4055 days 🔍

Sourcesinfo

Advisory: redhat.com
Researcher: Stefan Esser (e-matters)
Status: Not defined

CVE: CVE-2002-1365 (🔍)
GCVE (CVE): GCVE-0-2002-1365
GCVE (VulDB): GCVE-100-19250
X-Force: 10839
SecurityFocus: 6390 - Eric S. Raymond Fetchmail Heap Corruption Vulnerability
OSVDB: 4594 - Fetchmail address header heap buffer overflow
Vulnerability Center: 6816 - Buffer Overflow in Eric Raymond Fetchmail <= 6.1.3 via \, High

Entryinfo

Created: 07/31/2014 17:20
Updated: 09/06/2025 18:56
Changes: 07/31/2014 17:20 (68), 05/29/2019 10:39 (3), 09/06/2025 18:56 (18)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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