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Pardus: Dhcp: Buffer Overflow Print E-mail
User Rating:      How can I rate this item?
Posted by Benjamin D. Thomas   
malicious people to cause a DoS (Denial of Service) and potentially compromise a user's system.

--==============14920936=Content-Type: multipart/alternative; boundary1636c5adf4895438046f6f8e79

Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit

Pardus Linux Security Advisory 2009-107 

      Date: 2009-07-24
  Severity: 3
      Type: Local

A vulnerability has been reported in ISC DHCP, which can be exploited by

malicious people to cause a DoS (Denial  of  Service)  and  potentially
compromise a user's system.

The  vulnerability is  caused  due  to  a  boundary  error  within  the

"script_write_params()"  function in  client/dhclient.c  and  can   be
exploited to cause a stack-based buffer overflow by sending  an  overly
long subnet-mask option.

Successful exploitation may allow  execution  of  arbitrary  code  with

"root" privileges, but requires that  dhclient  processes  a  specially
crafted response from a malicious DHCP server

Affected packages:

  Pardus 2008:
    dhcp, all before 3.1.2_p1-16-3

There are update(s) for dhcp. You can update them via Package Manager or
with a single command from console:

    pisi up dhcp


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