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Debian: New epic4 packages fix denial of service

Jeremy Nelson discovered a remotely exploitable buffer overflow in EPIC4, a popular client for Internet Relay Chat (IRC). A malicious server could craft a reply which triggers the client to allocate a negative amount of memory. This could lead to a denial of service if the client only crashes, but may also lead to executing of arbitrary code under the user id of the chatting user. Fixed packages are available from security.debian.org.
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Debian Security Advisory DSA 399-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
November 10th, 2003                     http://www.debian.org/security/faq
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Package        : epic4
Vulnerability  : buffer overflow
Problem-Type   : remote
Debian-specific: no
CVE Id         : CAN-2003-0328

Jeremy Nelson discovered a remotely exploitable buffer overflow in
EPIC4, a popular client for Internet Relay Chat (IRC).  A malicious
server could craft a reply which triggers the client to allocate a
negative amount of memory.  This could lead to a denial of service if
the client only crashes, but may also lead to executing of arbitrary
code under the user id of the chatting user.

For the stable distribution (woody) this problem has been fixed in
version 1.1.2.20020219-2.2.

For the unstable distribution (sid) this problem has been fixed in
version 1.1.11.20030409-2.

We recommend that you upgrade your epic4 package.


Upgrade Instructions
- --------------------

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 GNU/Linux 3.0 alias woody
- --------------------------------

  Source archives:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2.dsc
      Size/MD5 checksum:      632 3bfdb704855cba1347f0d817a14ac811
    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2.diff.gz
      Size/MD5 checksum:    13465 bc712024ef53fc4f1e50e1d0a8430720
    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219.orig.tar.gz
      Size/MD5 checksum:   647989 2f5d39e7cc17fd83e455cbc442f45dd0

  Alpha architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_alpha.deb
      Size/MD5 checksum:   451484 235857ceb58e9bd9e609e4e7afac8a07

  ARM architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_arm.deb
      Size/MD5 checksum:   374938 8c227e918cc44976951b235d2da29355

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_i386.deb
      Size/MD5 checksum:   357100 9ef2ed5afc44e11b0c3d60c53e19991e

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_ia64.deb
      Size/MD5 checksum:   541986 4d6c24d75acdcf326633afe0188f200d

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_hppa.deb
      Size/MD5 checksum:   423238 17447b982271b8c233a004491f76f372

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_m68k.deb
      Size/MD5 checksum:   337644 cdbc15cd7dea8abd7a407e93dded2a26

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_mips.deb
      Size/MD5 checksum:   388442 53b524501e1671bd8912cf1607a50f74

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_mipsel.deb
      Size/MD5 checksum:   389438 e8fa4bcebaab3ec6b6039d500535a1a3

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_powerpc.deb
      Size/MD5 checksum:   384452 80bcac652557ddf726cf81b649a7c4f6

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_s390.deb
      Size/MD5 checksum:   370862 beb0dcb0d0fc71d6182cd12133bc58e8

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/e/epic4/epic4_1.1.2.20020219-2.2_sparc.deb
      Size/MD5 checksum:   372884 c6db693e131441d8b6ff0147bf99625a


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

- ---------------------------------------------------------------------------------
For apt-get: deb http://security.debian.org/ stable/updates main
For dpkg-ftp: ftp://security.debian.org/debian-security dists/stable/updates/main
Mailing list: debian-security-announce@lists.debian.org
Package info: `apt-cache show ' and http://packages.debian.org/

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