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Debian "radiusd-cistron" NAS-Port Buffer Overflow
Secunia Advisory: SA9030
Release Date: 2003-06-16
Last Update: 2003-06-30
Popularity: 7,960 views

Critical:
Less critical
Impact: DoS
System access
Where: From local network
Solution Status: Vendor Patch

OS:Debian GNU/Linux 3.0
Debian GNU/Linux unstable alias sid

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CVE reference:CVE-2003-0450


Description:
Debian has reported a vulnerability in radiusd-cistron, which can be exploited by malicious people to cause a DoS (Denial of Service) on a vulnerable system or potentially compromise it.

The vulnerbaility is caused due to a boundary error, which can be exploited to cause a buffer overflow by sending a long, specially crafted NAS-Port attribute.

Successful exploitation will crash the service or may allow execution of arbitrary code with the privileges of the RADIUS daemon (typically "root"), if the malicious person either knows a valid RADIUS key or is able to guess one.

Solution:
Updated packages:

-- Debian GNU/Linux 3.0 alias woody --

Source archives:

http://security.debian.org/pool/updat...ron/radiusd-cistron_1.6.6-1woody1.dsc
Size/MD5 checksum: 611 b6a3c69ca08b1f6984147e64f7ddcaab
http://security.debian.org/pool/updat...radiusd-cistron_1.6.6-1woody1.diff.gz
Size/MD5 checksum: 4221 ad563e14d3f3da713973cd23e97dcef5
http://security.debian.org/pool/updat...ron/radiusd-cistron_1.6.6.orig.tar.gz
Size/MD5 checksum: 194154 16084870890fd2ec577dbe183b51a379

Alpha architecture:

http://security.debian.org/pool/updat...diusd-cistron_1.6.6-1woody1_alpha.deb
Size/MD5 checksum: 262652 b541753d08f0d124a9f48133eeac381e

ARM architecture:

http://security.debian.org/pool/updat...radiusd-cistron_1.6.6-1woody1_arm.deb
Size/MD5 checksum: 235578 6277971c73bf52c22b5623f9131a8d9f

Intel IA-32 architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_i386.deb
Size/MD5 checksum: 231960 9ca72ec922c0fd80e22d05a06176b265

Intel IA-64 architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_ia64.deb
Size/MD5 checksum: 365566 ea7299686e6629039ecdf81abdebd5ee

HP Precision architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_hppa.deb
Size/MD5 checksum: 235502 886c9f6006c80dcf3c4c5305c76411b7

Motorola 680x0 architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_m68k.deb
Size/MD5 checksum: 225678 39c53545d15bb167550fd462a139fc35

Big endian MIPS architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_mips.deb
Size/MD5 checksum: 246130 3d98988fb2128bc26735c1c5b7a41cde

Little endian MIPS architecture:

http://security.debian.org/pool/updat...iusd-cistron_1.6.6-1woody1_mipsel.deb
Size/MD5 checksum: 245672 88e63e2d94973aa7e65176b81184ed80

PowerPC architecture:

http://security.debian.org/pool/updat...usd-cistron_1.6.6-1woody1_powerpc.deb
Size/MD5 checksum: 229238 eb1d0a109bb66e3d39c902f561779afc

IBM S/390 architecture:

http://security.debian.org/pool/updat...adiusd-cistron_1.6.6-1woody1_s390.deb
Size/MD5 checksum: 238530 396c1a07cc893b3d77a1ecfcbc0ee57a

Sun Sparc architecture:

http://security.debian.org/pool/updat...diusd-cistron_1.6.6-1woody1_sparc.deb
Size/MD5 checksum: 248882 0e39dd1a1310e1afedc4d39e2b8d2794


-- Debian GNU/Linux unstable alias sid --

According to Debian, the vulnerability will be fixed soon.

Provided and/or discovered by:
David Luyer

Original Advisory:
http://www.debian.org/security/2003/dsa-321

Other References:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=196063


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