Samba up to 2.2.8 call_trans2open EchoWrecker memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as very critical has been discovered in Samba. This vulnerability affects unknown code of the component call_trans2open. The manipulation results in memory corruption (EchoWrecker). This vulnerability is identified as CVE-2003-0201. The attack can be executed remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in Samba (File Transfer Software). Affected is an unknown functionality of the component call_trans2open. The manipulation with an unknown input leads to a memory corruption vulnerability (EchoWrecker). CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Buffer overflow in the call_trans2open function in trans2.c for Samba 2.2.x before 2.2.8a, 2.0.10 and earlier 2.0.x versions, and Samba-TNG before 0.3.2, allows remote attackers to execute arbitrary code.

The bug was discovered 04/03/2003. The weakness was released 04/07/2003 by SECOPS team (DiGiT) with Digital Defense (Website). The advisory is shared for download at digitaldefense.net. This vulnerability is traded as CVE-2003-0201 since 04/04/2003. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/21/2025).

A public exploit has been developed in C and been published 1 days after the advisory. The exploit is shared for download at securityfocus.com. It is declared as highly functional. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 13795 (SUSE-SA:2003:025: samba), 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 70026 (Samba 'call_trans2open' Remote Buffer Overflow Vulnerability).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at securityfocus.com. The best possible mitigation is suggested to be upgrading to the latest version. Attack attempts may be identified with Snort ID 11955. In this case the pattern |00| is used for detection.

The vulnerability is also documented in the databases at X-Force (11726), Exploit-DB (7), Tenable (13795), SecurityFocus (BID 7294†) and OSVDB (4469†). Entry connected to this vulnerability is available at VDB-20402. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
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

Name: EchoWrecker
Class: Memory corruption / EchoWrecker
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Highly functional
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 13795
Nessus Name: SUSE-SA:2003:025: samba
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 53349
OpenVAS Name: Debian Security Advisory DSA 280-1 (samba)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Saint ID: exploit_info/samba_call_trans2open
Saint Name: Samba call_trans2open buffer overflow

Qualys ID: 🔍
Qualys Name: 🔍

MetaSploit ID: trans2open.rb
MetaSploit Name: Samba trans2open Overflow (Solaris SPARC)
MetaSploit File: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Patch: securityfocus.com

Snort ID: 11955
Snort Message: NETBIOS SMB-DS Trans2 OPEN2 maximum param count overflow attempt
Snort Class: 🔍
Snort Pattern: 🔍

Suricata ID: 2102103
Suricata Class: 🔍
Suricata Message: 🔍

Timelineinfo

04/03/2003 🔍
04/04/2003 +1 days 🔍
04/07/2003 +3 days 🔍
04/07/2003 +0 days 🔍
04/07/2003 +0 days 🔍
04/08/2003 +1 days 🔍
05/05/2003 +27 days 🔍
03/17/2004 +317 days 🔍
07/25/2004 +129 days 🔍
01/21/2025 +7485 days 🔍

Sourcesinfo

Product: samba.org

Advisory: digitaldefense.net
Researcher: SECOPS team (DiGiT)
Organization: Digital Defense
Status: Confirmed

CVE: CVE-2003-0201 (🔍)
GCVE (CVE): GCVE-0-2003-0201
GCVE (VulDB): GCVE-100-36

OVAL: 🔍

CERT: 🔍
X-Force: 11726
SecurityFocus: 7294 - Samba 'call_trans2open' Remote Buffer Overflow Vulnerability
OSVDB: 4469 - Samba trans2.c call_trans2open() Function Overflow
Vulnerability Center: 1542

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

Entryinfo

Created: 04/07/2003 02:00
Updated: 01/21/2025 14:39
Changes: 04/07/2003 02:00 (95), 07/14/2017 10:08 (8), 03/08/2021 08:36 (2), 06/17/2024 10:47 (16), 07/13/2024 04:53 (2), 01/21/2025 14:39 (3)
Complete: 🔍
Cache ID: 216:18B:103

Once again VulDB remains the best source for vulnerability data.

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