Articles / Debian: New OpenSSL package…

Debian: New OpenSSL packages correct denial of service issues

Dr. Stephen Henson (steve@openssl.org), using a test suite provided by NISCC (www.niscc.gov.uk), discovered a number of errors in the OpenSSL ASN1 code. Combined with an error that causes the OpenSSL code to parse client certificates even when it should not, these errors can cause a denial of service (DoS) condition on a system using the OpenSSL code, depending on how that code is used. For example, even though apache-ssl and ssh link to OpenSSL libraries, they should not be affected by this vulnerability. However, other SSL-enabled applications may be vulnerable and an OpenSSL upgrade is recommended. Fixed packages are available from security.debian.org.
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- --------------------------------------------------------------------------
Debian Security Advisory DSA 393-1                     security@debian.org
http://www.debian.org/security/                              Michael Stone
October 1, 2003                         http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : openssl
Vulnerability  : denial of service
Problem-Type   : remote
Debian-specific: no
CVE Ids        : CAN-2003-0543 CAN-2003-0544

Dr. Stephen Henson (steve@openssl.org), using a test suite provided by
NISCC (www.niscc.gov.uk), discovered a number of errors in the OpenSSL
ASN1 code.  Combined with an error that causes the OpenSSL code to parse
client certificates even when it should not, these errors can cause a
denial of service (DoS) condition on a system using the OpenSSL code, 
depending on how that code is used. For example, even though apache-ssl
and ssh link to OpenSSL libraries, they should not be affected by this
vulnerability. However, other SSL-enabled applications may be
vulnerable and an OpenSSL upgrade is recommended.

For the current stable distribution (woody) these problems have been
fixed in version 0.9.6c-2.woody.4

For the unstable distribution (sid) these problems have been fixed in
version 0.9.7c-1

We recommend that you update your openssl package. Note that you will
need to restart services which use the libssl library for this update
to take effect.

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/o/openssl/openssl_0.9.6c-2.woody.4.dsc
      Size/MD5 checksum:      675 76da6f792eccfa0e219a0bb42296546f
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c.orig.tar.gz
      Size/MD5 checksum:  2153980 c8261d93317635d56df55650c6aeb3dc
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4.diff.gz
      Size/MD5 checksum:    44514 c07ae1f584c7a8bc4d0a821b8e6801ab

  Architecture independent packages:

    http://security.debian.org/pool/updates/main/o/openssl/ssleay_0.9.6c-2.woody.4_all.deb
      Size/MD5 checksum:      970 734c96f61a7d7032584ce001811d99ce

  Alpha architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_alpha.deb
      Size/MD5 checksum:  1551438 add644f20298bb07dd2368f6139e03bd
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_alpha.deb
      Size/MD5 checksum:   571194 17117f28911fee940def4cc5a5168ebf
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_alpha.deb
      Size/MD5 checksum:   736296 f571a65a29ea963e9f82b4a70cc61bbc

  ARM architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_arm.deb
      Size/MD5 checksum:   474030 c34ae889a0b0b05d16ab071069886ee8
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_arm.deb
      Size/MD5 checksum:  1357972 7b5efab549fcace562b1df40f58eb434
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_arm.deb
      Size/MD5 checksum:   729736 bea9047ba98358b5d843ec5502c08d14

  HP Precision architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_hppa.deb
      Size/MD5 checksum:  1435088 64ec697612a1a8bb7ec02a8dfe0f082a
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_hppa.deb
      Size/MD5 checksum:   564870 7c9f44efb6fbf092a4c6285438f4218f
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_hppa.deb
      Size/MD5 checksum:   741856 c593ae8279de436da67de14a147b991c

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_i386.deb
      Size/MD5 checksum:   461714 9c291cab723133eb1c7c2309540dd9e2
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_i386.deb
      Size/MD5 checksum:   721748 654531d126d43611b236964e691b67e2
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_i386.deb
      Size/MD5 checksum:  1289866 0b05581c2d1c03f72644737aa7c37fe9

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_ia64.deb
      Size/MD5 checksum:   763482 0292998feaac6ea041d2d044305b7715
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_ia64.deb
      Size/MD5 checksum:   711022 dbfc0819492111ff1b8040c4dc615d03
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_ia64.deb
      Size/MD5 checksum:  1615238 74a9e23d5f17d9a4f40120d1103bfeb2

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_m68k.deb
      Size/MD5 checksum:   720358 293043604c8e259a058f5e1d5925a96e
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_m68k.deb
      Size/MD5 checksum:   450572 5ebfb9bc4f0da2986373032213e22f3d
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_m68k.deb
      Size/MD5 checksum:  1266566 5d8c56beaaa413dd72d3cf90b5b30349

  Big endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_mips.deb
      Size/MD5 checksum:   717764 d7019cf6cf0d6618f8789c8290697367
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_mips.deb
      Size/MD5 checksum:  1416184 09aa020367ef0d06e3e22e550ea12102
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_mips.deb
      Size/MD5 checksum:   483650 3008bbee5c4f7f5faf344317c59e0d82

  Little endian MIPS architecture:

    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_mipsel.deb
      Size/MD5 checksum:   717060 3180c04a1cb7dd325b06496ca2bff71b
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_mipsel.deb
      Size/MD5 checksum:  1410226 35cc9bc327c59471f5a909878efdbb76
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_mipsel.deb
      Size/MD5 checksum:   476638 bb83a9bfc07679fbe21aab5abd56256f

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_powerpc.deb
      Size/MD5 checksum:  1386776 f379528eae7a157bd830ea43a371efe4
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_powerpc.deb
      Size/MD5 checksum:   726638 45d8adac74a907263e7507f64fd3c3e3
    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_powerpc.deb
      Size/MD5 checksum:   502422 a386a0fdd637da29848219a1ca16eae1

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_s390.deb
      Size/MD5 checksum:   510438 4044c7c34e45d3b9b7f3ef69eacae491
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_s390.deb
      Size/MD5 checksum:   731592 79fe91bb12f87b2dc05a4dff2aba1a10
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_s390.deb
      Size/MD5 checksum:  1326384 0352ce5cd87305074b2fdc91e78badca

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/o/openssl/libssl0.9.6_0.9.6c-2.woody.4_sparc.deb
      Size/MD5 checksum:   484720 99bace5e1758b19404ef0ab618f37048
    http://security.debian.org/pool/updates/main/o/openssl/libssl-dev_0.9.6c-2.woody.4_sparc.deb
      Size/MD5 checksum:  1344194 2290093fa5e49278491fdbe03f14ab1a
    http://security.debian.org/pool/updates/main/o/openssl/openssl_0.9.6c-2.woody.4_sparc.deb
      Size/MD5 checksum:   737150 28a4ebcf466e4c4d8aaa0afe974e9893

  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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