GNU Samba up to 3.0.6 ASN.1 Parser infinite loop

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in GNU Samba up to 3.0.6 and classified as problematic. This issue affects some unknown processing of the component ASN.1 Parser. This manipulation causes infinite loop. The identification of this vulnerability is CVE-2004-0807. It is possible to initiate the attack remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as critical was found in GNU Samba up to 3.0.6 (File Transfer Software). Affected by this vulnerability is an unknown part of the component ASN.1 Parser. The manipulation with an unknown input leads to a infinite loop vulnerability. The CWE definition for the vulnerability is CWE-835. The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop. As an impact it is known to affect availability. The summary by CVE is:

Samba 3.0.6 and earlier allows remote attackers to cause a denial of service (infinite loop and memory exhaustion) via certain malformed requests that cause new processes to be spawned and enter an infinite loop.

The bug was discovered 09/02/2004. The weakness was shared 09/13/2004 by iDefense with iDEFENSE (Website). The advisory is shared at idefense.com. This vulnerability is known as CVE-2004-0807 since 08/25/2004. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 11 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 18757 (Slackware 10.0 / current : samba DoS (SSA:2004-257-01)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Slackware Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 115259 (Samba Denial of Service Vulnerabilities).

Upgrading eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at us3.samba.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at X-Force (17325), Tenable (18757), SecurityFocus (BID 11156†), OSVDB (9917†) and Secunia (SA12516†). The entry VDB-830 is related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Infinite loop
CWE: CWE-835 / CWE-404
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: 18757
Nessus Name: Slackware 10.0 / current : samba DoS (SSA:2004-257-01)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 53912
OpenVAS Name: Slackware Advisory SSA:2004-257-01 samba DoS
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: us3.samba.org

Timelineinfo

08/25/2004 🔍
09/02/2004 +8 days 🔍
09/13/2004 +11 days 🔍
09/13/2004 +0 days 🔍
09/13/2004 +0 days 🔍
09/13/2004 +0 days 🔍
09/14/2004 +1 days 🔍
09/14/2004 +0 days 🔍
09/14/2004 +0 days 🔍
09/21/2004 +6 days 🔍
07/13/2005 +295 days 🔍
03/09/2021 +5718 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: idefense.com⛔
Researcher: iDefense
Organization: iDEFENSE
Status: Not defined

CVE: CVE-2004-0807 (🔍)
GCVE (CVE): GCVE-0-2004-0807
GCVE (VulDB): GCVE-100-829

OVAL: 🔍

X-Force: 17325
SecurityFocus: 11156 - Samba Multiple ASN.1 and MailSlot Parsing Remote Denial Of Service Vulnerabilities
Secunia: 12516 - Samba Denial of Service Vulnerabilities, Less Critical
OSVDB: 9917 - Samba nmbd process_logon_packet Function Remote DoS
SecuriTeam: securiteam.com
Vulnerability Center: 5429 - DoS in Samba via Malformed ASN.1 Packets, High

See also: 🔍

Entryinfo

Created: 09/14/2004 12:50
Updated: 03/09/2021 17:48
Changes: 09/14/2004 12:50 (83), 06/08/2017 23:44 (13), 03/09/2021 17:48 (3)
Complete: 🔍
Cache ID: 216::103

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