Blue Coat CacheOS/SGOS TCP/IP Stack denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Blue Coat CacheOS and SGOS. This issue affects some unknown processing of the component TCP/IP Stack. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2005-0356. The attack is possible to be carried out remotely. Moreover, an exploit is present. The affected component should be disabled.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Blue Coat CacheOS and SGOS (affected version not known). This issue affects some unknown functionality of the component TCP/IP Stack. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability.

The weakness was disclosed 06/28/2005 by Noritoshi Demizu with BlueCoat (Website). The advisory is shared at bluecoat.com. The identification of this vulnerability is CVE-2005-0356 since 02/11/2005. The attack may be initiated remotely. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

After before and not just, there has been an exploit disclosed. The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 78204 (F5 Networks BIG-IP : Inadequate validation for TCP segments (SOL4743)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family F5 Networks Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 90249 (Microsoft Windows TCP Reset Through Arbitrary Timer Value).

The best possible mitigation is suggested to be disabling the affected component.

The vulnerability is also documented in the databases at X-Force (20635), Exploit-DB (1008), Tenable (78204), SecurityFocus (BID 13676†) and OSVDB (16685†). vuldb.com is providing further details. The entries VDB-1489, VDB-1490, VDB-1491 and VDB-1535 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Denial of service
CWE: CWE-404
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: 🔍

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Nessus ID: 78204
Nessus Name: F5 Networks BIG-IP : Inadequate validation for TCP segments (SOL4743)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Disable
Status: 🔍

0-Day Time: 🔍
ISS Proventia IPS: 🔍

Timelineinfo

02/11/2005 🔍
05/18/2005 +95 days 🔍
05/18/2005 +0 days 🔍
05/19/2005 +1 days 🔍
05/21/2005 +1 days 🔍
05/22/2005 +1 days 🔍
06/28/2005 +37 days 🔍
06/29/2005 +1 days 🔍
10/10/2014 +3390 days 🔍
07/05/2025 +3921 days 🔍

Sourcesinfo

Advisory: bluecoat.com
Researcher: Noritoshi Demizu
Organization: BlueCoat
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0356 (🔍)
GCVE (CVE): GCVE-0-2005-0356
GCVE (VulDB): GCVE-100-1577
CERT: 🔍
X-Force: 20635 - TCP/IP timestamp denial of service, Medium Risk
SecurityFocus: 13676 - Multiple Vendor TCP Timestamp PAWS Remote Denial Of Service Vulnerability
Secunia: 15851 - Blue Coat Products TCP Timestamp Denial of Service, Less Critical
OSVDB: 16685 - Multiple Vendor Malformed TCP Timestamp Handling Remote DoS
SecurityTracker: 1014001 - Cisco SN5400 TCP/IP Timestamp Option Error Lets Remote Users Deny Service
Vulnerability Center: 8039 - [cisco-sn-20050518-tcpts] DoS in TCP/IP Session when Timestamp Option Registry Setting is Enabled, Medium

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

Entryinfo

Created: 06/29/2005 14:17
Updated: 07/05/2025 15:42
Changes: 06/29/2005 14:17 (61), 10/08/2018 15:44 (22), 03/11/2021 16:16 (2), 03/11/2021 16:21 (7), 03/11/2021 16:25 (2), 03/11/2021 16:27 (2), 01/23/2025 17:09 (15), 07/05/2025 15:42 (2)
Complete: 🔍
Cache ID: 216:C99:103

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

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