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HistoryDec 16, 2000 - 12:00 a.m.

[SECURITY] [DSA-004-1] nano symlink attack


Debian Security Advisory DSA-004-1 [email protected] Wichert Akkerman
December 17, 2000

Package : nano
Problem type : symlink attack
Debian-specific: no

The problem that was previously reported for joe also occurs with
other editors. When nano (a free pico clone) unexpectedly dies
it tries a warning message to a new file with a predictable name
(the name of the file being edited with ".save" appended). Unfortunately
that file was not created safely which made nano vulnerable to a
symlink attack.

This has been fixed in version 0.9.23-1 (except for powerpc, which has
version 0.9.23-1.1).

wget url
will fetch the file for you
dpkg -i file.deb
will install the referenced file.

Debian GNU/Linux 2.2 alias potato

Potato was released for alpha, arm, i386, m68k, powerpc and sparc.

Source archives:
MD5 checksum: 5c878e43e5161ee25043f60886c88b03
MD5 checksum: 85879b609fbcd5b091e686d16e75865b
MD5 checksum: 56bdf48e0d56b83ca669ec813cc0d466

Alpha architecture:
MD5 checksum: f7bba57357225edc934d5adb1ef2259e
MD5 checksum: c6a99a014225016f86f367a4ec0edf8b

ARM architecture:
MD5 checksum: 4a3e6f9140e874bc502149b610007307
MD5 checksum: 111c0a9180e07868cb471c47cace287e

Intel ia32 architecture:
MD5 checksum: fd018ffdb6bf1932b96473969bcf9ef9
MD5 checksum: ce7487c7aa0ce8ed1b791f51b5ece31c

Motorola 680x0 architecture:
MD5 checksum: 49261ca3f044d318dda67069527d4260
MD5 checksum: 0a0ac605a31e49674ceb0d3b5d3aa0a8

PowerPC architecture:
MD5 checksum: c6d4ec4efd2853f4acd35a4ec5e951c8
MD5 checksum: 69df7777cedcc4aba0134a4838614aca

Sun Sparc architecture:
MD5 checksum: 912ba97af630e91e2878190d373ab375
MD5 checksum: 6098621e245ed89c4b09772601c957e0

These files will be moved into*/binary-$arch/ soon.

For not yet released architectures please refer to the appropriate
directory$arch/ .

apt-get: deb stable/updates main
dpkg-ftp: dists/stable/updates/main
Mailing list: [email protected]