CVE-2005-0740

Severity Score

7.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The TCP stack (tcp_input.c) in OpenBSD 3.5 and 3.6 allows remote attackers to cause a denial of service (system panic) via crafted values in the TCP timestamp option, which causes invalid arguments to be used when calculating the retransmit timeout.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2005-01-13 CVE Published
2005-03-13 CVE Reserved
2024-08-07 CVE Updated
2024-08-07 First Exploit
2025-03-30 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CAPEC

References (4)

URL	Tag	Source
http://secunia.com/advisories/13819	Third Party Advisory

URL	Date	SRC
http://www.securityfocus.com/bid/12250	2024-08-07

URL	Date	SRC
http://securitytracker.com/id?1012861	2008-09-05
http://www.openbsd.org/errata35.html	2008-09-05

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.0 Search vendor "Openbsd" for product "Openbsd" and version "2.0"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.1 Search vendor "Openbsd" for product "Openbsd" and version "2.1"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.2 Search vendor "Openbsd" for product "Openbsd" and version "2.2"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.3 Search vendor "Openbsd" for product "Openbsd" and version "2.3"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.4 Search vendor "Openbsd" for product "Openbsd" and version "2.4"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.5 Search vendor "Openbsd" for product "Openbsd" and version "2.5"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.6 Search vendor "Openbsd" for product "Openbsd" and version "2.6"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.7 Search vendor "Openbsd" for product "Openbsd" and version "2.7"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.8 Search vendor "Openbsd" for product "Openbsd" and version "2.8"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				2.9 Search vendor "Openbsd" for product "Openbsd" and version "2.9"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.0 Search vendor "Openbsd" for product "Openbsd" and version "3.0"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.1 Search vendor "Openbsd" for product "Openbsd" and version "3.1"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.2 Search vendor "Openbsd" for product "Openbsd" and version "3.2"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.3 Search vendor "Openbsd" for product "Openbsd" and version "3.3"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.4 Search vendor "Openbsd" for product "Openbsd" and version "3.4"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.5 Search vendor "Openbsd" for product "Openbsd" and version "3.5"		-		Affected
Openbsd Search vendor "Openbsd"		Openbsd Search vendor "Openbsd" for product "Openbsd"				3.6 Search vendor "Openbsd" for product "Openbsd" and version "3.6"		-		Affected