Re: [cisco-ttl] Re: router telnet erisimi hatasi

From: Ilker Temir (ilker_at_ilkertemir.com)
Date: Tue Feb 22 2005 - 09:35:45 GMT

  • Next message: Barış: "[cisco-ttl] wan backup hakkında"

    Advisory'den bir alinti:

    "Exploitation and Public Announcements

    The Cisco PSIRT is aware of exploitation of this vulnerability and is
    recommending customers take action to protect themselves."

    Bir virus ya da worm olarak degil ancak bu acigi kullanan saldirilar
    tesbit edildi.

    Ilker

    Serhat Uslay wrote:
    >
    > bu aciklandi ama ben pratikte bunu kullanan bir virus yada worm gormedim..
    > Emin misin boyle bir saldiri olduguna ??
    > Serhat
    >
    >
    > Please respond to cisco-ttl_at_yahoogroups.com
    >
    > To: cisco-ttl_at_yahoogroups.com
    > cc:
    > Subject: [cisco-ttl] Re: router telnet erisimi hatasi
    >
    >
    >
    >
    >
    >
    > Cisco'da daha once baktigimda goremedigim bir bug buldum.
    > http://www.cisco.com/warp/public/707/cisco-sa-20040827-telnet.shtml
    > Adresinden de acıklaması mevcut.
    > Tsk.
    >
    > Ozden
    >
    > --- In cisco-ttl_at_yahoogroups.com, Serhat Uslay <serhat.uslay_at_z...> wrote:
    >
    >>Ben bunu daha once gormustum ama hatirlayamadim niye oldugunu
    >>1) herhalde mevcut 4 Telnet line'i dolu oldugu zaman (bazen session not
    >>cleared up properly !)...
    >>2) Eger seninle router arasinda Telnet't bloke eden bir firewall varsa..
    >>
    >>Console a erisme imkanin yokmu yada aux'leriye modem ile... ??
    >>
    >>Serhat
    >>
    >>
    >>
    >>Please respond to cisco-ttl_at_yahoogroups.com
    >>
    >>To: cisco-ttl_at_yahoogroups.com
    >>cc:
    >>Subject: [cisco-ttl] router telnet erisimi hatasi
    >>
    >>
    >>
    >>
    >>Merhaba, Cisco 1760 router'a daha onceleri telnet ile
    >>erisebiliyorken simdi "remote host not responding"
    >>hatası alıyorum. Halbuki ping atabiliyorum ve "sh cdp
    >>ne" ile gorebiliyorum. Routerda Telnet erisimi icin
    >>access-list falan da mevcut degil. Line larında dolu
    >>olmadigini dusunuyorum cunku dolu olunca farklı bir
    >>hata mesajı (Remote system refused the
    >>connection)veriyor. Uzerinde IPBASE 12.3(6b) IOS var.
    >>Cisco'dan arastirdim bu ios'a ait bircok bug var fakat
    >>bu sorunla ilgili bir bilgi bulamadım. Router'in
    >>durduk yere telnet erisimini kapatmasinin sebebi ne
    >>olabilir bir fikri olan var mi?
    >>Tesekkurler,
    >>
    >>Özden Sicim
    >>
    >>
    >>
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