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Ubuntu irssi DCC ACCEPT Parameter Handling Denial of Service
Secunia Advisory: SA19090
Release Date: 2006-03-02
Popularity: 9,000 views

Critical:
Less critical
Impact: DoS
Where: From remote
Solution Status: Vendor Patch

OS:Ubuntu Linux 5.10

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CVE reference:CVE-2006-0458


Description:
Scott Sinclair has reported a vulnerability in irssi, which can be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error in the "dcc_ctcp_resume_parse()" function in "dcc-resume.c". This can be exploited to crash a vulnerable client by sending a specially crafted DCC ACCEPT message with too few parameters.

Solution:
Apply updated packages.

-- Ubuntu 5.10 (Breezy Badger) --

Source archives:

http://security.ubuntu.com/ubuntu/poo...xt_0.8.9+0.8.10rc5-0ubuntu4.1.diff.gz
Size/MD5: 12568 50ec4fee5eaf55ba7a312373bbaca462
http://security.ubuntu.com/ubuntu/poo...i-text_0.8.9+0.8.10rc5-0ubuntu4.1.dsc
Size/MD5: 739 23ccac99b2a8f82d47cb1cc5f9a51ac8
http://security.ubuntu.com/ubuntu/poo...rssi-text_0.8.9+0.8.10rc5.orig.tar.gz
Size/MD5: 1192158 7c0b6c1533c85e918f41ded1238e4ca1

amd64 architecture (Athlon64, Opteron, EM64T Xeon)

http://security.ubuntu.com/ubuntu/poo..._0.8.9+0.8.10rc5-0ubuntu4.1_amd64.deb
Size/MD5: 955832 134ebeda2593d742a808a79b78a9f488

i386 architecture (x86 compatible Intel/AMD)

http://security.ubuntu.com/ubuntu/poo...t_0.8.9+0.8.10rc5-0ubuntu4.1_i386.deb
Size/MD5: 851690 854b0e9e9ff3a73160a71d1b5445d850

powerpc architecture (Apple Macintosh G3/G4/G5)

http://security.ubuntu.com/ubuntu/poo....8.9+0.8.10rc5-0ubuntu4.1_powerpc.deb
Size/MD5: 937644 73f7b5547d9905e95006889dbc92082b

Provided and/or discovered by:
Reported by Scott Sinclair.

Original Advisory:
http://www.ubuntu.com/usn/usn-259-1


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