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Category:   Application (E-mail Client)  >   GNOME Evolution Vendors:   Gnome Development Team
(Debian Issues Fix) Evolution Integer Overflow in camel-lock-helper May Let Local and Remote Users Execute Arbitrary Code
SecurityTracker Alert ID:  1013155
SecurityTracker URL:  http://securitytracker.com/id/1013155
CVE Reference:   CVE-2005-0102   (Links to External Site)
Date:  Feb 11 2005
Impact:   Execution of arbitrary code via local system, Execution of arbitrary code via network, Root access via local system, Root access via network, User access via local system, User access via network
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 2.0.3 and prior versions
Description:   An integer overflow vulnerability was reported in Evolution in camel-lock-helper. A remote mail server may may be able to execute arbitrary code on a connected system. A local user can execute arbitrary code with elevated privileges.

The flaw resides in 'camel-lock-helper.c', where a user-supplied length value is not properly validated. A user can supply a value of '-1' to cause a zero byte buffer to be allocated and then overflowed. A remote POP3 server can supply a specially crafted response to a connected system to execute arbitrary code on the target system. Also, a local user can invoke Evolution to execute arbitrary code with elevated privileges.

On some systems, this utility is configured with set group id (setgid) 'mail' group privileges and on other systems it is configured with set user id (setuid) 'root' user privileges.

Max Vozeler is credited with discovering this flaw.

Impact:   A remote POP3 mail server may be able to execute arbitrary code on the connected system.

A local user can execute arbitrary code on the target system.

The code may run with 'mail' group privileges or 'root' user privileges, depending on the system configuration.

Solution:   Debian has released a fix.

Debian GNU/Linux 3.0 alias woody:

Source archives:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2.dsc
Size/MD5 checksum: 990 135eae823f6a0159a5f7ec6bc72c72b0
http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2.diff.gz
Size/MD5 checksum: 16718 fdcc1244d1cfbe4c297cc49a577491b8
http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5.orig.tar.gz
Size/MD5 checksum: 15010672 d2ffe374b453d28f5456db5af0a7983c

Alpha architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_alpha.deb
Size/MD5 checksum: 10271422 207d01d4b051c5350a6c1952bc5221ee
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_alpha.deb
Size/MD5 checksum: 947952 b74d9c65882ae4bafa47d6614a96596c
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_alpha.deb
Size/MD5 checksum: 623002 5b864fe6659626050ac55ebf5e8572e0

ARM architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_arm.deb
Size/MD5 checksum: 9282272 57853c1bd08388274b34399548bff183
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_arm.deb
Size/MD5 checksum: 663850 30e04aac4fbcda4e6b709aa1eb378f74
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_arm.deb
Size/MD5 checksum: 492650 96a58d81835fe40c118613994898a99f

Intel IA-32 architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_i386.deb
Size/MD5 checksum: 8905428 cc4885b6fff4f47cc3b729765454ea3d
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_i386.deb
Size/MD5 checksum: 585986 53373ed37020c508d50c7f1c5006e6d3
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_i386.deb
Size/MD5 checksum: 470658 615259b21a7c889e8c7203b10e4e7b15

Intel IA-64 architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_ia64.deb
Size/MD5 checksum: 11454804 a4545f6efeb590b2602f8b8c44c9072d
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_ia64.deb
Size/MD5 checksum: 948252 f24c513391cdbd5cf51e0ec5a01def13
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_ia64.deb
Size/MD5 checksum: 771184 2dbb984644f181bd46d996c6f06c2ac2

Motorola 680x0 architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_m68k.deb
Size/MD5 checksum: 8876466 b47fd595352d5535199dc889d9aa653d
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_m68k.deb
Size/MD5 checksum: 578364 821686bde02e2ab5a86a3f07f272af26
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_m68k.deb
Size/MD5 checksum: 483950 0927332469d079b3118ff012038b2865

PowerPC architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_powerpc.deb
Size/MD5 checksum: 9339162 e0df2bad032a3a996981b3483223f0f0
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_powerpc.deb
Size/MD5 checksum: 680544 be4b5ade6dcbe9264d30becd3f3789e1
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_powerpc.deb
Size/MD5 checksum: 511292 2bcda2165950f94d01630b13cb1264d1

IBM S/390 architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_s390.deb
Size/MD5 checksum: 9219484 065504345356c2993a8ff479c7ac4653
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_s390.deb
Size/MD5 checksum: 640874 627f5efbeccefd384ae0335dd784c82b
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_s390.deb
Size/MD5 checksum: 522850 d7055f0f6a273a52cd09fd783f88c525

Sun Sparc architecture:

http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_sparc.deb
Size/MD5 checksum: 9393318 4325f6d1bccd22cda371be7dd0a3add8
http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_sparc.deb
Size/MD5 checksum: 670336 f58f241480dbdd3b6f673fb038e100d4
http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_sparc.deb
Size/MD5 checksum: 510008 adc53f31cc22856e321f2e200a4f0d20

Vendor URL:  www.gnome.org/projects/evolution/ (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Debian)
Underlying OS Comments:  3.0

Message History:   This archive entry is a follow-up to the message listed below.
Jan 25 2005 Evolution Integer Overflow in camel-lock-helper May Let Local and Remote Users Execute Arbitrary Code



 Source Message Contents

Subject:  [SECURITY] [DSA 673-1] New evolution packages fix arbitrary code execution as root


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

- --------------------------------------------------------------------------
Debian Security Advisory DSA 673-1                     security@debian.org
http://www.debian.org/security/                             Martin Schulze
February 10th, 2005                     http://www.debian.org/security/faq
- --------------------------------------------------------------------------

Package        : evolution
Vulnerability  : integer overflow
Problem-Type   : local
Debian-specific: no
CVE ID         : CAN-2005-0102
BugTraq ID     : 12354

Max Vozeler discovered an integer overflow in a helper application
inside of Evolution, a free grouware suite.  A local attacker could
cause the setuid root helper to execute arbitrary code with elevated
privileges.

For the stable distribution (woody) this problem has been fixed in
version 1.0.5-1woody2.

For the unstable distribution (sid) this problem has been fixed in
version 2.0.3-1.2.

We recommend that you upgrade your evolution 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/evolution/evolution_1.0.5-1woody2.dsc
      Size/MD5 checksum:      990 135eae823f6a0159a5f7ec6bc72c72b0
    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2.diff.gz
      Size/MD5 checksum:    16718 fdcc1244d1cfbe4c297cc49a577491b8
    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5.orig.tar.gz
      Size/MD5 checksum: 15010672 d2ffe374b453d28f5456db5af0a7983c

  Alpha architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_alpha.deb
      Size/MD5 checksum: 10271422 207d01d4b051c5350a6c1952bc5221ee
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_alpha.deb
      Size/MD5 checksum:   947952 b74d9c65882ae4bafa47d6614a96596c
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_alpha.deb
      Size/MD5 checksum:   623002 5b864fe6659626050ac55ebf5e8572e0

  ARM architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_arm.deb
      Size/MD5 checksum:  9282272 57853c1bd08388274b34399548bff183
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_arm.deb
      Size/MD5 checksum:   663850 30e04aac4fbcda4e6b709aa1eb378f74
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_arm.deb
      Size/MD5 checksum:   492650 96a58d81835fe40c118613994898a99f

  Intel IA-32 architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_i386.deb
      Size/MD5 checksum:  8905428 cc4885b6fff4f47cc3b729765454ea3d
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_i386.deb
      Size/MD5 checksum:   585986 53373ed37020c508d50c7f1c5006e6d3
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_i386.deb
      Size/MD5 checksum:   470658 615259b21a7c889e8c7203b10e4e7b15

  Intel IA-64 architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_ia64.deb
      Size/MD5 checksum: 11454804 a4545f6efeb590b2602f8b8c44c9072d
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_ia64.deb
      Size/MD5 checksum:   948252 f24c513391cdbd5cf51e0ec5a01def13
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_ia64.deb
      Size/MD5 checksum:   771184 2dbb984644f181bd46d996c6f06c2ac2

  Motorola 680x0 architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_m68k.deb
      Size/MD5 checksum:  8876466 b47fd595352d5535199dc889d9aa653d
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_m68k.deb
      Size/MD5 checksum:   578364 821686bde02e2ab5a86a3f07f272af26
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_m68k.deb
      Size/MD5 checksum:   483950 0927332469d079b3118ff012038b2865

  PowerPC architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_powerpc.deb
      Size/MD5 checksum:  9339162 e0df2bad032a3a996981b3483223f0f0
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_powerpc.deb
      Size/MD5 checksum:   680544 be4b5ade6dcbe9264d30becd3f3789e1
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_powerpc.deb
      Size/MD5 checksum:   511292 2bcda2165950f94d01630b13cb1264d1

  IBM S/390 architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_s390.deb
      Size/MD5 checksum:  9219484 065504345356c2993a8ff479c7ac4653
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_s390.deb
      Size/MD5 checksum:   640874 627f5efbeccefd384ae0335dd784c82b
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_s390.deb
      Size/MD5 checksum:   522850 d7055f0f6a273a52cd09fd783f88c525

  Sun Sparc architecture:

    http://security.debian.org/pool/updates/main/e/evolution/evolution_1.0.5-1woody2_sparc.deb
      Size/MD5 checksum:  9393318 4325f6d1bccd22cda371be7dd0a3add8
    http://security.debian.org/pool/updates/main/e/evolution/libcamel-dev_1.0.5-1woody2_sparc.deb
      Size/MD5 checksum:   670336 f58f241480dbdd3b6f673fb038e100d4
    http://security.debian.org/pool/updates/main/e/evolution/libcamel0_1.0.5-1woody2_sparc.deb
      Size/MD5 checksum:   510008 adc53f31cc22856e321f2e200a4f0d20


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

- ---------------------------------------------------------------------------------
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 <pkg>' and http://packages.debian.org/<pkg>

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