25695 : Linux Kernel SCTP HB-ACK Chunk Processing Overflow DoS
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Info

Last Modified

about 1 year ago

Percent Complete

90%

Disclosure

May 22, 2006

Discovery

Unknown

Dates

Exploit

Unknown

Solution

Unknown

Keywords

No Keywords

Description

The Linux kernel contains a flaw that may allow a remote denial of service. The issue is triggered when a crafted HB-ACK chunk packet is sent to the SCTP handling code, which can be found in the '/net/sctp/sm_statefuns.c' file. The kernel then fails to properly validate the length of certain parameters, which might result in access to invalid memory and lead to loss of availability for the platform due to a kernel crash.

Classification

Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Unknown
Disclosure: OSVDB Verified

Solution

Upgrade to version 2.4.33, 2.6.16.17 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Linux
Watch-list
Kernel
Watch-list
2.6.16.16

References

Tools & Filters

Nessus

22058 24109 24110 27877

Credit

Unknown or Incomplete

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