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Debian Security Advisory                                 security@debian.org

http://www.debian.org/security/                                Michael Stone

September 1, 2000

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Package: netscape (communicator, navigator)

Vulnerability: remote exploit

Debian-specific: no



Existing Netscape Communicator/Navigator packages contain the following

vulnerabilities:



 1. Netscape Communicator JPEG-Comment Heap Overwrite Vulnerability

    - executes arbitrary code in the comment field of a JPEG image

    - Netscape Communicator/Navigator versions 4.0 through 4.73 are vulnerable

 2. Multiple Vendor Java Virtual Machine Listening Socket Vulnerability

 3. Netscape Communicator URL Read Vulnerability

    - items 2 and 3 together are known as the "Brown Orifice" vulnerability

    - can be exploited to expose the contents of your computer to anyone on the

      Internet, allowing to read files visible to the user running the browser

    - Netscape Communicator/Navigator versions 4.0 through 4.74 are vulnerable



Netscape Communicator/Navigator is not a part of the Debian distribution, but

packages are available for the convenience of our users. We recommend that

users who choose to run Netscape Communicator/Navigator upgrade to version

4.75. New packages are available in source form and for Intel ia32 machines

running Debian 2.2 (potato). Note that the new packages will not remove your

existing Communicator/Navigator packages; you should manually remove any older

installed versions of Communicator/Navigator. (More detailed instructions for

installing and removing these packages is available in the web version of this

report, at http://www.debian.org/security/2000/20000901)



wget url

will fetch the file for you

dpkg -i file.deb

        will install the referenced file.



  Source archives:

    http://security.debian.org/dists/potato/updates/non-free/source/netscape4.75_4.75-1potato1.diff.gz

      MD5 checksum: 99ab453006b123ade6b62d508052e8aa

    http://security.debian.org/dists/potato/updates/non-free/source/netscape4.75_4.75-1potato1.dsc

      MD5 checksum: b6c8220d540580c62302e51bd310273c

    http://security.debian.org/dists/potato/updates/non-free/source/netscape4.75_4.75.orig.tar.gz

      MD5 checksum: 291d418188dd0d859c842b8e511f40dd

    http://security.debian.org/dists/potato/updates/non-free/source/netscape4.base_4.75-1.dsc

      MD5 checksum: 834ccd2acc61052bf9b01f58c5adb767

    http://security.debian.org/dists/potato/updates/non-free/source/netscape4.base_4.75-1.tar.gz

      MD5 checksum: c9f71e888d9ce42d7317a7a8255a25f4

  Intel ia32 architecture:

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator-base-475_4.75-1potato1_i386.deb

      MD5 checksum: 401b63408d1477978fe16a855b9b2a14

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator-nethelp-475_4.75-1potato1_all.deb

      MD5 checksum: 763d8c075f0200d77ce1ad91af3d4c27

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator-smotif-475-libc5_4.75-1potato1_i386.deb

      MD5 checksum: d255e35d8365486b28a6e5c02bdf7e80

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator-smotif-475_4.75-1potato1_i386.deb

      MD5 checksum: a8b595e4ba544861109e91cf2f494d67

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator-spellchk-475_4.75-1potato1_all.deb

      MD5 checksum: 2c42207d48399b1d9ea757a1ee677414

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/communicator_4.75-1_i386.deb

      MD5 checksum: 3b67100464ed0aa6a22bef337c14798f

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/navigator-base-475_4.75-1potato1_i386.deb

      MD5 checksum: f4ed466d94b761b3a5f252c859c1c38d

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/navigator-nethelp-475_4.75-1potato1_all.deb

      MD5 checksum: 3e671e3bd853557df55915a395f57d39

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/navigator-smotif-475-libc5_4.75-1potato1_i386.deb

      MD5 checksum: d46984adbf2703f26a5bbd1cff912967

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/navigator-smotif-475_4.75-1potato1_i386.deb

      MD5 checksum: 3e7de9bb9c0c8c73519c3b7149de6af4

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/navigator_4.75-1_i386.deb

      MD5 checksum: a4f735e76fb26bc46a99edb557e41d43

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-base-4-libc5_4.75-1_i386.deb

      MD5 checksum: be2014f7b47913fc2d40dd3a2f7dc60f

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-base-475_4.75-1potato1_i386.deb

      MD5 checksum: 4cae30606eb234d79c0469ad3e430ece

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-base-4_4.75-1_i386.deb

      MD5 checksum: e594f5e58bfab22b5c4333d6e648b8bc

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-ja-resource-475_4.75-1potato1_all.deb

      MD5 checksum: 2f5aadfe24499b6ed79d7c1810aedb70

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-java-475_4.75-1potato1_all.deb

      MD5 checksum: 2b1d1abed84ac00eef02de530ad95028

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-ko-resource-475_4.75-1potato1_all.deb

      MD5 checksum: b2335dabae4430a69773ba22b3d5100c

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-smotif-475-libc5_4.75-1potato1_i386.deb

      MD5 checksum: 2397e4c0d8e556ea457b0095ad102d96

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-smotif-475_4.75-1potato1_i386.deb

      MD5 checksum: 45f1df641dc6869f880ee32abc1c8eb2

    http://security.debian.org/dists/potato/updates/non-free/binary-i386/netscape-zh-resource-475_4.75-1potato1_all.deb

      MD5 checksum: 5cb68c9bf8a895488c4a75145c48c915





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

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

Mailing list: debian-security-announce@lists.debian.org



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