CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.3	$0-$5k	0.00

Summaryinfo

A vulnerability was found in claws-mail 3.8.1. It has been declared as problematic. Affected by this vulnerability is the function strchr of the file procmime.c. The manipulation leads to null pointer dereference. This vulnerability is known as CVE-2012-4507. There is no exploit available. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Detailsinfo

A vulnerability was found in claws-mail 3.8.1. It has been classified as problematic. Affected is the function strchr of the file procmime.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

The strchr function in procmime.c in Claws Mail (aka claws-mail) 3.8.1 allows remote attackers to cause a denial of service (NULL pointer dereference and crash) via a crafted email.

The weakness was released 10/22/2012 as Bug 2743 as not defined bug report (Bugzilla). The advisory is shared for download at thewildbeast.co.uk. This vulnerability is traded as CVE-2012-4507 since 08/21/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 74785 (openSUSE Security Update : claws-mail (openSUSE-SU-2012:1374-1)), 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 165395 (SUSE Security Update for claws-mail: Fixed a Denial of Service Vulnerability (openSUSE-SU-2012:1374-1)).

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 Tenable (74785), SecurityFocus (BID 55837†) and Vulnerability Center (SBV-37118†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• claws-mail

Version

• 3.8.1

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 74785
Nessus Name: openSUSE Security Update : claws-mail (openSUSE-SU-2012:1374-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 864848
OpenVAS Name: Fedora Update for claws-mail FEDORA-2012-16753
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

08/21/2012 🔍
10/03/2012 +43 days 🔍
10/03/2012 +0 days 🔍
10/22/2012 +19 days 🔍
10/22/2012 +0 days 🔍
11/11/2012 +20 days 🔍
06/13/2014 +579 days 🔍
03/24/2015 +284 days 🔍
12/29/2024 +3568 days 🔍

Sourcesinfo

Advisory: Bug 2743
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-4507 (🔍)
GCVE (CVE): GCVE-0-2012-4507
GCVE (VulDB): GCVE-100-62736
SecurityFocus: 55837 - Claws Mail 'strchr()' Function NULL Pointer Denial of Service Vulnerability
Vulnerability Center: 37118 - Claws Mail 3.8.1 Remote Denial of Service via a Crafted Email, Medium

Entryinfo

Created: 03/24/2015 12:22 PM
Updated: 12/29/2024 08:51 PM
Changes: 03/24/2015 12:22 PM (64), 04/20/2017 10:06 PM (5), 12/19/2021 02:27 PM (3), 12/29/2024 08:51 PM (16)
Complete: 🔍
Cache ID: 18:D73:40

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