CVE-2006-1242

Linux Kernel < 2.6.16 - Idle Scan Attack via IP ID Increment in ip_push_pending_frames

Title source: llm
STIX 2.1

Description

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.

References (28)

Core 28
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0437.html
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/2554
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/427753/100/0/threaded
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/281-1/
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21136
Patch, Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/19402
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/427893/100/0/threaded
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21983
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/17109
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1097
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2006-0575.html
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/427622/100/0/threaded
Vendor Advisory vendor-advisory x_refsource_suse
http://www.novell.com/linux/security/advisories/2006-05-31.html
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/19955
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/428605/30/6210/threaded
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2006/dsa-1103
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21465
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10317
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/1140
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20398
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/22417
Vendor Advisory vendor-advisory x_refsource_mandriva
http://www.mandriva.com/security/advisories?name=MDKSA-2006:086
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20671
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20157
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/20914

Scores

EPSS 0.0343
EPSS Percentile 87.8%

Details

Status published
Products (22)
linux/linux_kernel 2.4.0 (13 CPE variants)
linux/linux_kernel 2.4.1
linux/linux_kernel 2.4.2
linux/linux_kernel 2.4.3
linux/linux_kernel 2.4.4
linux/linux_kernel 2.4.5
linux/linux_kernel 2.4.6
linux/linux_kernel 2.4.7
linux/linux_kernel 2.4.8
linux/linux_kernel 2.4.9
... and 12 more
Published Mar 15, 2006
Tracked Since Feb 18, 2026