SpamAssassin up to 3.2.1 symlink

CVSS Meta Temp Score
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CTI Interest Score
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3.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in SpamAssassin up to 3.2.1 and classified as problematic. This affects an unknown function. This manipulation causes symlink. This vulnerability appears as CVE-2007-2873. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic was found in SpamAssassin up to 3.2.1 (Anti-Spam Software). Affected by this vulnerability is an unknown part. The manipulation with an unknown input leads to a symlink vulnerability. The CWE definition for the vulnerability is CWE-61. The product, when opening a file or directory, does not sufficiently account for when the file is a symbolic link that resolves to a target outside of the intended control sphere. This could allow an attacker to cause the product to operate on unauthorized files. As an impact it is known to affect availability. The summary by CVE is:

SpamAssassin 3.1.x, 3.2.0, and 3.2.1 before 20070611, when running as root in unusual configurations using vpopmail or virtual users, allows local users to cause a denial of service (corrupt arbitrary files) via a symlink attack on a file that is used by spamd.

The bug was discovered 06/11/2007. The weakness was presented 06/11/2007 by Martin with Debian (Website). It is possible to read the advisory at vupen.com. This vulnerability is known as CVE-2007-2873 since 05/29/2007. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 67521 (Oracle Linux 4 / 5 : spamassassin (ELSA-2007-0492)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 117522 (CentOS Security Update for SpamAssassin (CESA-2007:0492)).

Upgrading to version 3.1.1 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 (34864), Tenable (67521), SecurityFocus (BID 24481†), OSVDB (37234†) and SecurityTracker (ID 1018242†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.6

VulDB Base Score: 4.0
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Symlink
CWE: CWE-61 / CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 67521
Nessus Name: Oracle Linux 4 / 5 : spamassassin (ELSA-2007-0492)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 58840
OpenVAS Name: FreeBSD Ports: p5-Mail-SpamAssassin
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: SpamAssassin 3.1.1

Timelineinfo

05/29/2007 🔍
06/11/2007 +13 days 🔍
06/11/2007 +0 days 🔍
06/11/2007 +0 days 🔍
06/11/2007 +0 days 🔍
06/13/2007 +1 days 🔍
06/13/2007 +0 days 🔍
06/14/2007 +0 days 🔍
06/17/2007 +3 days 🔍
06/26/2007 +9 days 🔍
07/12/2013 +2208 days 🔍
03/15/2015 +611 days 🔍
06/08/2025 +3738 days 🔍

Sourcesinfo

Advisory: vupen.com⛔
Researcher: Martin
Organization: Debian
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-2873 (🔍)
GCVE (CVE): GCVE-0-2007-2873
GCVE (VulDB): GCVE-100-37243

OVAL: 🔍

X-Force: 34864
SecurityFocus: 24481 - SpamAssassin Local Symlink Attack And Denial of Service Vulnerability
OSVDB: 37234 - SpamAssassin spamd Symlink Local DoS
SecurityTracker: 1018242
Vulnerability Center: 15378 - SpamAssassin Under Certain Conditions Allows Local Users to Create a Denial of Service Situation, Medium
Vupen: ADV-2007-2172

Entryinfo

Created: 03/15/2015 15:58
Updated: 06/08/2025 17:14
Changes: 03/15/2015 15:58 (84), 07/20/2019 16:56 (2), 06/08/2025 17:14 (20)
Complete: 🔍
Cache ID: 216:311:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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