5394 : Linux Kernel Fragmented ICMP Packet Information Disclosure
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Info

Last Modified

about 1 year ago

Percent Complete

100%

Disclosure

Apr 08, 2004

Discovery

Unknown

Dates

Exploit

Apr 08, 2004

Solution

Unknown

Keywords

No Keywords

Description

The Linux kernel contains a flaw that may lead to an unauthorized information disclosure. The issue is triggered when custom crafted ICMP fragments are sent to the kernel, which will trigger an ICMP TTL exceeded error packet containing data from memory in response. This will disclose information in memory, resulting in a loss of confidentiality.

Classification

Location: Local Access Required, Remote/Network Access Required
Attack Type: Information Disclosure, Input Manipulation
Impact: Loss of Confidentiality
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

Upgrade to a kernel version of 2.2.19, 2.4.0 mainline, or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by applying the vendor-supplied patch.

Products

Linux
Watch-list
Kernel
Watch-list
2.2.18
2.2.14
2.2.15
2.2.16
2.2.17
2.2.10
2.4.0-preX
mainline 2.4.x
2.2.13
2.2.12
2.2.11
2.2.0x

References

Credit

  • Andrew Griffiths - andrewgBrand New Doo Dootasmail.com -

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