National Cyber Awareness System

Vulnerability Summary for CVE-2006-1242

Overview

The ip_push_pending_frames function in Linux 2.4.x and 2.6.x before 2.6.16 increments the IP ID field when sending a RST after receiving unsolicited TCP SYN-ACK packets, which allows remote attackers to conduct an Idle Scan (nmap -sI) attack, which bypasses intended protections against such attacks.

Impact

CVSS Severity (version 2.0 upgrade from v1.0):

CVSS Version 2 Metrics:

References to Advisories, Solutions, and Tools

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External Source: SECUNIA

Name: 19402

Type: Advisory; Patch Information

Hyperlink:http://secunia.com/advisories/19402

External Source: VUPEN

Name: ADV-2006-2554

Hyperlink:http://www.vupen.com/english/advisories/2006/2554

External Source: VUPEN

Name: ADV-2006-1140

Hyperlink:http://www.vupen.com/english/advisories/2006/1140

External Source: BID

Name: 17109

Hyperlink:http://www.securityfocus.com/bid/17109

External Source: BUGTRAQ

Name: 20060316 Re: Linux zero IP ID vulnerability?

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/427893/100/0/threaded

External Source: BUGTRAQ

Name: 20060315 Re: Linux zero IP ID vulnerability?

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/427753/100/0/threaded

External Source: BUGTRAQ

Name: 20060314 Linux zero IP ID vulnerability?

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/427622/100/0/threaded

External Source: CONFIRM

Name: http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.1

Hyperlink:http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.16.1

External Source: OVAL

Name: oval:org.mitre.oval:def:10317

Hyperlink:http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:10317

External Source: UBUNTU

Name: USN-281-1

Hyperlink:http://www.ubuntulinux.org/support/documentation/usn/usn-281-1

External Source: BUGTRAQ

Name: 20060323 Re: Linux zero IP ID vulnerability?

Hyperlink:http://www.securityfocus.com/archive/1/archive/1/428605/30/6210/threaded

External Source: REDHAT

Name: RHSA-2006:0575

Hyperlink:http://www.redhat.com/support/errata/RHSA-2006-0575.html

External Source: REDHAT

Name: RHSA-2006:0437

Hyperlink:http://www.redhat.com/support/errata/RHSA-2006-0437.html

External Source: SUSE

Name: SUSE-SA:2006:028

Hyperlink:http://www.novell.com/linux/security/advisories/2006-05-31.html

External Source: MANDRIVA

Name: MDKSA-2006:086

Hyperlink:http://www.mandriva.com/security/advisories?name=MDKSA-2006:086

External Source: DEBIAN

Name: DSA-1103

Hyperlink:http://www.debian.org/security/2006/dsa-1103

External Source: DEBIAN

Name: DSA-1097

Hyperlink:http://www.debian.org/security/2006/dsa-1097

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-200.htm

External Source: CONFIRM

Name: http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm

Hyperlink:http://support.avaya.com/elmodocs2/security/ASA-2006-180.htm

External Source: SECUNIA

Name: 22417

Hyperlink:http://secunia.com/advisories/22417

External Source: SECUNIA

Name: 21983

Hyperlink:http://secunia.com/advisories/21983

External Source: SECUNIA

Name: 21465

Hyperlink:http://secunia.com/advisories/21465

External Source: SECUNIA

Name: 21136

Hyperlink:http://secunia.com/advisories/21136

External Source: SECUNIA

Name: 20914

Hyperlink:http://secunia.com/advisories/20914

External Source: SECUNIA

Name: 20671

Hyperlink:http://secunia.com/advisories/20671

External Source: SECUNIA

Name: 20398

Hyperlink:http://secunia.com/advisories/20398

External Source: SECUNIA

Name: 20157

Hyperlink:http://secunia.com/advisories/20157

External Source: SECUNIA

Name: 19955

Hyperlink:http://secunia.com/advisories/19955

References to Check Content

Identifier:oval:org.mitre.oval:def:10317

Check System:http://oval.mitre.org/XMLSchema/oval-definitions-5

Hyperlink:http://oval.mitre.org/repository/data/DownloadDefinition?id=oval:org.mitre.oval:def:10317