SB1999072701 - Improper input validation in Linux kernel



SB1999072701 - Improper input validation in Linux kernel

Published: July 27, 1999 Updated: August 7, 2024

Security Bulletin ID SB1999072701
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper input validation (CVE-ID: CVE-1999-1018)

CWE-ID: CWE-20 - Improper input validation

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/U:Clear


The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

IPChains in Linux kernels 2.2.10 and earlier does not reassemble IP fragments before checking the header information, which allows a remote attacker to bypass the filtering rules using several fragments with 0 offsets.


Remediation

Install update from vendor's website.