Davide Libenzi XMail up to 1.21 AddressFromAtPtr -t stack-based overflow

HistoryDiffrelatejsonxmlCTI

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Davide Libenzi XMail up to 1.21. This affects the function AddressFromAtPtr. This manipulation of the argument -t causes stack-based overflow. This vulnerability is registered as CVE-2005-2943. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Davide Libenzi XMail up to 1.21 and classified as critical. Affected by this vulnerability is the function AddressFromAtPtr. The manipulation of the argument -t with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Stack-based buffer overflow in sendmail in XMail before 1.22 allows remote attackers to execute arbitrary code via a long -t command line option.

The bug was discovered 10/12/2005. The weakness was published 10/13/2005 (Website). The advisory is shared at idefense.com. This vulnerability is known as CVE-2005-2943 since 09/15/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22768 (Debian DSA-902-1 : xmail - buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading to version 1.22 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (22724), Exploit-DB (1267), Tenable (22768), SecurityFocus (BID 15103†) and OSVDB (20010†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Davide Libenzi

Name

XMail

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

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

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Nessus ID: 22768
Nessus Name: Debian DSA-902-1 : xmail - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 55897
OpenVAS Name: Debian Security Advisory DSA 902-1 (xmail)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: XMail 1.22

Timelineinfo

09/15/2005 🔍
10/12/2005 +27 days 🔍
10/13/2005 +1 days 🔍
10/13/2005 +0 days 🔍
10/13/2005 +0 days 🔍
10/13/2005 +0 days 🔍
10/14/2005 +0 days 🔍
10/14/2005 +0 days 🔍
10/20/2005 +5 days 🔍
11/21/2005 +32 days 🔍
12/18/2005 +27 days 🔍
10/14/2006 +300 days 🔍
03/11/2015 +3070 days 🔍
01/01/2025 +3584 days 🔍

Sourcesinfo

Advisory: idefense.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-2943 (🔍)
GCVE (CVE): GCVE-0-2005-2943
GCVE (VulDB): GCVE-100-26545
X-Force: 22724
SecurityFocus: 15103 - XMail Local Buffer Overflow Vulnerability
Secunia: 17194 - XMail Command Line Buffer Overflow Vulnerability, Less Critical
OSVDB: 20010 - XMail -t Argument Command Line Local Overflow
SecurityTracker: 1015055
Vulnerability Center: 10021 - Xmail Stack Overflow via Long -t Command Line Option., High

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

Entryinfo

Created: 03/11/2015 23:39
Updated: 01/01/2025 15:41
Changes: 03/11/2015 23:39 (92), 06/12/2019 16:40 (1), 01/01/2025 15:41 (16)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.