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Linux 2.2.x DoS Through Bad IP Options Vulnerability



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General Info


TC: 12026
Description: An "ICMP" tester program found to crash Linux systems remotely exhibited in fact a problem with the processing of IP options in incoming packets.
They are supposed to trigger an ICMP parameter problem message, but a kernel bug frees a memory structure twice, resulting in a kernel panic.
TC Impact: Crash



Specific Operations and Actions:


Vulnerability Publication: June 01, 1999
Advisory Copyright: Piotr Wilkin
Summary: Using IP packets with illegal option fields, an attacker can crash a Linux system remotely.
Risk: High
CVSS 2.0 metrics: Access Vector: Network
Access Complexity: Low
Authentication: None
Confidentiality Impact: None
Integrity Impact: None
Availability Impact: Complete
CVSS 2.0 Base Score: 7.8
Vulnerability Impact: Denial of Service
Crash
Host Impact: An attacker can crash a Linux 2.2 system remotely.
Nature of Remediation: Update the software.
Step required to fix the reported vulnerability:

***** Solution type: Upgrade Software *****

Upgrade to the newer version of Linux Kernel.
See references for more details.



Glossary and References :


References: www.sans.org/top20/
* BUGTRAQ: 19990601 Linux kernel 2.2.x vulnerability/exploit
http://marc.info/?l=bugtraq&m=92826247215577&w=2
* DEBIAN: 19990607
http://www.debian.org/security/1999/19990607.en.html
* CALDERA: CSSA-1999:013
ftp://ftp.sco.com/pub/security/OpenLinux/CSSA-1999:013.0.txt
* SUSE: 19990602 Denial of Service on the 2.2 kernel
http://www.linuxsecurity.com/content/view/101944/170/
* BID: 302
http://www.securityfocus.com/bid/302
* MISC:
http://www.securityfocus.com/archive/1/14036

CVE Link: CVE-1999-0804
CVE Compatible

Glossary: Crash
Denial of Service
ICMP
IP


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