SB2006031501 - Security features in Linux kernel

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Main Vulnerability Database SB2006031501

SB2006031501 - Security features in Linux kernel

Published: March 15, 2006

Security Bulletin ID SB2006031501
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Security features (CVE-ID: CVE-2006-1242)

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

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.


Remediation

Install update from vendor's website.

References