Kazuhiro Nishiyama found a vulnerability in hiki, a Wiki engine written in Ruby, which could allow a remote attacker to delete arbitary files which are writable to the Hiki user, via a specially crafted session parameter.

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Debian Security Advisory DSA-1324                    This email address is being protected from spambots. You need JavaScript enabled to view it.
http://www.debian.org/security/                               Steve Kemp
June 28, 2007
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Package        : hiki
Vulnerability  : missing input sanitising
Problem type   : remote
Debian-specific: no
CVE Id(s)      : CVE-2007-2836
Debian Bug     : 430691


Kazuhiro Nishiyama found a vulnerability in hiki, a Wiki engine written
in Ruby, which could allow a remote attacker to delete arbitary files
which are writable to the Hiki user, via a specially crafted session
parameter.

For the stable distribution (etch), this problem has been fixed in version
0.8.6-1etch1.

For the unstable distribution (sid) this problem has been fixed in version
0.8.7-1.

We recommend that you upgrade your hiki (0.8.6-1etch1) package.

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

If you are using the apt-get package manager, use the line for
sources.list as given below:

apt-get update
        will update the internal database
apt-get upgrade
        will install corrected packages

You may use an automated update by adding the resources from the
footer to the proper configuration.

Debian (stable)
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Stable updates are available for alpha, amd64, arm, hppa, i386, ia64, mips, mipsel, powerpc, s390 and sparc.

Source archives:

  http://security.debian.org/pool/updates/main/h/hiki/hiki_0.8.6-1etch1.diff.gz
    Size/MD5 checksum:     5418 b57f6debe38f903c7615d738f5030060
  http://security.debian.org/pool/updates/main/h/hiki/hiki_0.8.6-1etch1.dsc
    Size/MD5 checksum:      571 22358a8449ae12c19fe6a80f8607a82f
  http://security.debian.org/pool/updates/main/h/hiki/hiki_0.8.6.orig.tar.gz
    Size/MD5 checksum:   244885 990212929cabf29e72df10a5b76ff27d

Architecture independent packages:

  http://security.debian.org/pool/updates/main/h/hiki/hiki_0.8.6-1etch1_all.deb
    Size/MD5 checksum:   228092 fdbc68fca2b4939ceace21f282b0c2fb


  These files will probably be moved into the stable distribution on
  its next update.

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For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
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