Linux Security
Linux Security
Linux Security

Debian: wget directory traversal buffer overflow

Date 13 Dec 2002
2236
Posted By LinuxSecurity Advisories
There are two buffer overflow vulnerabilites that have been found in the wget package.

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Debian Security Advisory DSA-209-1                   This email address is being protected from spambots. You need JavaScript enabled to view it. 
https://www.debian.org/security/                         Wichert Akkerman
December 12, 2002
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Package        : wget
Problem type   : directory traversal
                 buffer overflow
Debian-specific: no
CVEs           : CAN-2002-1344

Two problems have been found in the wget package as distributed in
Debian GNU/Linux:

* Stefano Zacchiroli found a buffer overrun in the url_filename function,
  which would make wget segfault on very long URLs

* Steven M. Christey discovered that wget did not verify the FTP server
  response to a NLST command: it must not contain any directory information,
  since that can be used to make a FTP client overwrite arbitrary files.

Both problems have been fixed in version 1.5.3-3.1 for Debian GNU/Linux
2.2/potato and version 1.8.1-6.1 for Debian GNU/Linux 3.0/woody.

------------------------------------------------------------------------

Obtaining updates:

  By hand:
    wget URL
        will fetch the file for you.
    dpkg -i FILENAME.deb
        will install the fetched file.

  With apt:
    deb  https://security.debian.org/ stable/updates main
        added to /etc/apt/sources.list will provide security updates

Additional information can be found on the Debian security webpages
at  https://www.debian.org/security/

------------------------------------------------------------------------

Debian GNU/Linux 2.2 alias potato
---------------------------------

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

  Source archives:

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1.diff.gz
      Size/MD5 checksum:    75231 61d99d8ab75b95cd9fa2459e74182a50
     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3.orig.tar.gz
      Size/MD5 checksum:   446966 47680b25bf893afdb0c43b24e3fc2fd6
     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1.dsc
      Size/MD5 checksum:     1163 9eb3c57aa94d74e3c6e4097b5d941563

  alpha architecture (DEC Alpha)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_alpha.deb
      Size/MD5 checksum:   249228 0eedd7487056460a8de93ea2ed3402f2

  arm architecture (ARM)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_arm.deb
      Size/MD5 checksum:   233342 9a57b21e6611b46b3991bb38e75dbd08

  i386 architecture (Intel ia32)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_i386.deb
      Size/MD5 checksum:   227812 fc7c576836d26cebc397c07f3bbd1488

  m68k architecture (Motorola Mc680x0)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_m68k.deb
      Size/MD5 checksum:   224820 b967f1e1b960be2fce3fb2cae55b6710

  powerpc architecture (PowerPC)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_powerpc.deb
      Size/MD5 checksum:   234646 48b138d481cebbe85b437d82b63285b7

  sparc architecture (Sun SPARC/UltraSPARC)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.5.3-3.1_sparc.deb
      Size/MD5 checksum:   235500 631874205d8d85378555387209a9db37

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

  Woody was released for alpha, arm, hppa, i386, ia64, m68k, mips, mipsel,
  powerpc, s390 and sparc. An update for mipsel is not available at this
  moment.


  Source archives:

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1.orig.tar.gz
      Size/MD5 checksum:  1097780 6ca8e939476e840f0ce69a3b31c13060
     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1.diff.gz
      Size/MD5 checksum:     9939 69f96b6608e043e0d781061a22e90169
     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1.dsc
      Size/MD5 checksum:     1217 97af60040e8d7a2cd538d18a5120cd87

  alpha architecture (DEC Alpha)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_alpha.deb
      Size/MD5 checksum:   364338 aeade9ab45904c8b6c64fcdb5934576e

  arm architecture (ARM)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_arm.deb
      Size/MD5 checksum:   335972 dfe4085e95fd53be9821d1b33d79d134

  hppa architecture (HP PA RISC)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_hppa.deb
      Size/MD5 checksum:   355790 32dd606c8dc5b3d3fc8000519009de4e

  i386 architecture (Intel ia32)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_i386.deb
      Size/MD5 checksum:   332394 afc976eaaf4cd416f8eedd347d18367b

  ia64 architecture (Intel ia64)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_ia64.deb
      Size/MD5 checksum:   393540 efb82eb46927b657fa8e2706f475bf53

  m68k architecture (Motorola Mc680x0)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_m68k.deb
      Size/MD5 checksum:   327236 60f0449f6d0a3b4ff76beb59f1e762d0

  mips architecture (MIPS (Big Endian))

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_mips.deb
      Size/MD5 checksum:   348676 af79ba0f16b12678594f15bdf49325b9

  powerpc architecture (PowerPC)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_powerpc.deb
      Size/MD5 checksum:   341130 0d67a5f9b284e2088847935901333888

  s390 architecture (IBM S/390)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_s390.deb
      Size/MD5 checksum:   336118 c731e21474d3965c851fcb3921abe979

  sparc architecture (Sun SPARC/UltraSPARC)

     https://security.debian.org/pool/updates/main/w/wget/wget_1.8.1-6.1_sparc.deb
      Size/MD5 checksum:   340978 3ba4e8cdf1c96b5ba5fd7d52316d73e2


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