Symantec Endpoint Protection up to 11.0 RU7 MP1 on Windows Server 2003 Network Threat Protection Module Packet denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability classified as critical has been found in Symantec Endpoint Protection up to 11.0 RU7 MP1 on Windows Server 2003 (Anti-Malware Software). This affects some unknown processing of the component Network Threat Protection Module. The manipulation as part of a Packet leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. The summary by CVE is:

The Network Threat Protection module in the Manager component in Symantec Endpoint Protection (SEP) 11.0.600x through 11.0.700x on Windows Server 2003 allows remote attackers to cause a denial of service (web-server outage, or daemon crash or hang) via a flood of packets that triggers automated blocking of network traffic.

The weakness was published 05/22/2012 by Greg Johnson with Clear Skies Security as SYM12-007 (Website) via CERT/CC. The advisory is shared at symantec.com. This vulnerability is uniquely identified as CVE-2012-1821 since 03/21/2012. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 59366 (Symantec Endpoint Protection Manager < 11 RU7 MP2 (SYM12-007 / SYM12-008) (credentialed check)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120243 (Symantec Endpoint Protection Manager Denial of Service Vulnerability (SYM12-007)).

Upgrading to version 11.0 RU7 MP2 or 12.1 eliminates this vulnerability. Applying the patch SEP 11 RU7 MP2 is able to eliminate this problem. The best possible mitigation is suggested to be patching the affected component. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (75805), Tenable (59366), SecurityFocus (BID 50358†), OSVDB (82147†) and Secunia (SA49221†). Similar entry is available at VDB-60820.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.7

VulDB Base Score: 7.5
VulDB Temp Score: 6.7
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CVSSv2info

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Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

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

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Nessus ID: 59366
Nessus Name: Symantec Endpoint Protection Manager < 11 RU7 MP2 (SYM12-007 / SYM12-008) (credentialed check)
Nessus File: 🔍
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Nessus Family: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

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0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Endpoint Protection 11.0 RU7 MP2 / 12.1
Patch: SEP 11 RU7 MP2

Timelineinfo

03/21/2012 🔍
05/22/2012 +62 days 🔍
05/22/2012 +0 days 🔍
05/22/2012 +0 days 🔍
05/22/2012 +0 days 🔍
05/23/2012 +1 days 🔍
05/23/2012 +0 days 🔍
05/23/2012 +0 days 🔍
05/23/2012 +0 days 🔍
05/29/2012 +6 days 🔍
05/29/2012 +0 days 🔍
01/02/2025 +4601 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: SYM12-007
Researcher: Greg Johnson
Organization: Clear Skies Security
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-1821 (🔍)
CERT: 🔍
X-Force: 75805
SecurityFocus: 50358 - Symantec Endpoint Protection Manager Remote Denial of Service Vulnerability
Secunia: 49221 - Symantec Endpoint Protection Denial of Service Vulnerability, Less Critical
OSVDB: 82147
SecurityTracker: 1027092 - Symantec Endpoint Protection Bug Lets Remote Authenticated Users Deny Service
Vulnerability Center: 35204 - Symantec Endpoint Protection Manager Component Remote DoS Vulnerability via a Flood Packets, Medium

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

Entryinfo

Created: 05/29/2012 06:08 PM
Updated: 01/02/2025 01:22 PM
Changes: 05/29/2012 06:08 PM (76), 04/13/2017 12:47 PM (11), 03/25/2021 07:26 AM (4), 12/23/2024 07:47 AM (21), 01/02/2025 01:22 PM (3)
Complete: 🔍
Cache ID: 18:353:40

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