J-Security Center

Title: Fetchmail's FetchmailConf Utility Local Information Disclosure Vulnerability

Severity: LOW

Description:

Fetchmail is a freely available, open-source mail-retrieval utility.

Fetchmail is susceptible to an information-disclosure vulnerability. This issue is due to a race condition in the 'fetchmailconf' configuration utility.

The 'fetchmailconf' utility is a graphical utility designed to create Fetchmail configuration files.

This issue presents itself when this configuration utility writes its configuration data to a file. It first opens the file, writes the data, and then changes the permissions to 0600.

This issue allows local attackers to gain access to potentially sensitive information, including email authentication credentials, aiding them in further attacks.

Versions of Fetchmail prior to 6.2.9-rc6 include a vulnerable version of 'fetchmailconf'. Versions of 'fetchmailconf' prior to 1.43.2 and 1.49 are vulnerable.

Affected Products:

  • Apple Mac OS X 10.0.0
  • Apple Mac OS X 10.0.03
  • Apple Mac OS X 10.0.1
  • Apple Mac OS X 10.0.2
  • Apple Mac OS X 10.0.3
  • Apple Mac OS X 10.0.3
  • Apple Mac OS X 10.0.4
  • Apple Mac OS X 10.1.0
  • Apple Mac OS X 10.1.0
  • Apple Mac OS X 10.1.1
  • Apple Mac OS X 10.1.2
  • Apple Mac OS X 10.1.3
  • Apple Mac OS X 10.1.4
  • Apple Mac OS X 10.1.5
  • Apple Mac OS X 10.2.0
  • Apple Mac OS X 10.2.1
  • Apple Mac OS X 10.2.2
  • Apple Mac OS X 10.2.3
  • Apple Mac OS X 10.2.4
  • Apple Mac OS X 10.2.5
  • Apple Mac OS X 10.2.6
  • Apple Mac OS X 10.2.7
  • Apple Mac OS X 10.2.8
  • Apple Mac OS X 10.3.0
  • Apple Mac OS X 10.3.1
  • Apple Mac OS X 10.3.2
  • Apple Mac OS X 10.3.3
  • Apple Mac OS X 10.3.4
  • Apple Mac OS X 10.3.5
  • Apple Mac OS X 10.3.6
  • Apple Mac OS X 10.3.7
  • Apple Mac OS X 10.3.8
  • Apple Mac OS X 10.3.9
  • Apple Mac OS X 10.4.0
  • Apple Mac OS X 10.4.1
  • Apple Mac OS X 10.4.2
  • Apple Mac OS X 10.4.3
  • Apple Mac OS X 10.4.4
  • Apple Mac OS X 10.4.5
  • Apple Mac OS X 10.4.6
  • Apple Mac OS X 10.4.7
  • Apple Mac OS X Server 10.0.0
  • Apple Mac OS X Server 10.1.0
  • Apple Mac OS X Server 10.1.1
  • Apple Mac OS X Server 10.1.2
  • Apple Mac OS X Server 10.1.3
  • Apple Mac OS X Server 10.1.4
  • Apple Mac OS X Server 10.1.5
  • Apple Mac OS X Server 10.2.0
  • Apple Mac OS X Server 10.2.1
  • Apple Mac OS X Server 10.2.2
  • Apple Mac OS X Server 10.2.3
  • Apple Mac OS X Server 10.2.4
  • Apple Mac OS X Server 10.2.5
  • Apple Mac OS X Server 10.2.6
  • Apple Mac OS X Server 10.2.7
  • Apple Mac OS X Server 10.2.8
  • Apple Mac OS X Server 10.3.0
  • Apple Mac OS X Server 10.3.1
  • Apple Mac OS X Server 10.3.2
  • Apple Mac OS X Server 10.3.3
  • Apple Mac OS X Server 10.3.4
  • Apple Mac OS X Server 10.3.5
  • Apple Mac OS X Server 10.3.6
  • Apple Mac OS X Server 10.3.7
  • Apple Mac OS X Server 10.3.8
  • Apple Mac OS X Server 10.3.9
  • Apple Mac OS X Server 10.4.0
  • Apple Mac OS X Server 10.4.1
  • Apple Mac OS X Server 10.4.2
  • Apple Mac OS X Server 10.4.3
  • Apple Mac OS X Server 10.4.4
  • Apple Mac OS X Server 10.4.5
  • Apple Mac OS X Server 10.4.6
  • Apple Mac OS X Server 10.4.7
  • Conectiva Linux 10.0.0
  • Debian Linux 3.0.0
  • Debian Linux 3.0.0 alpha
  • Debian Linux 3.0.0 arm
  • Debian Linux 3.0.0 hppa
  • Debian Linux 3.0.0 ia-32
  • Debian Linux 3.0.0 ia-64
  • Debian Linux 3.0.0 m68k
  • Debian Linux 3.0.0 mips
  • Debian Linux 3.0.0 mipsel
  • Debian Linux 3.0.0 ppc
  • Debian Linux 3.0.0 s/390
  • Debian Linux 3.0.0 sparc
  • Debian Linux 3.1.0
  • Debian Linux 3.1.0 alpha
  • Debian Linux 3.1.0 amd64
  • Debian Linux 3.1.0 arm
  • Debian Linux 3.1.0 hppa
  • Debian Linux 3.1.0 ia-32
  • Debian Linux 3.1.0 ia-64
  • Debian Linux 3.1.0 m68k
  • Debian Linux 3.1.0 mips
  • Debian Linux 3.1.0 mipsel
  • Debian Linux 3.1.0 ppc
  • Debian Linux 3.1.0 s/390
  • Debian Linux 3.1.0 sparc
  • Easy Software Products CUPS 1.1.20
  • EnGarde Secure Linux 1.0.1
  • Eric Raymond Fetchmail 5.9.11
  • Eric Raymond Fetchmail 6.0.0.0
  • Eric Raymond Fetchmail 6.1.0.0
  • Eric Raymond Fetchmail 6.1.3
  • Eric Raymond Fetchmail 6.2.0.0
  • Eric Raymond Fetchmail 6.2.5
  • Eric Raymond Fetchmail 6.2.5 .2
  • Eric Raymond fetchmailconf 1.43.0
  • Eric Raymond fetchmailconf 1.43.1
  • Gentoo Linux
  • MandrakeSoft Corporate Server 2.1.0
  • MandrakeSoft Corporate Server 2.1.0 x86_64
  • MandrakeSoft Corporate Server 3.0.0
  • MandrakeSoft Corporate Server 3.0.0 x86_64
  • MandrakeSoft Linux Mandrake 10.1.0
  • MandrakeSoft Linux Mandrake 10.1.0 x86_64
  • MandrakeSoft Linux Mandrake 10.2.0
  • MandrakeSoft Linux Mandrake 10.2.0 x86_64
  • MandrakeSoft Linux Mandrake 2006.0.0
  • MandrakeSoft Linux Mandrake 2006.0.0 x86_64
  • MandrakeSoft Linux Mandrake 7.2.0
  • MandrakeSoft Linux Mandrake 8.0.0
  • MandrakeSoft Linux Mandrake 8.1.0
  • MandrakeSoft Linux Mandrake 8.2.0
  • MandrakeSoft Linux Mandrake 9.0.0
  • MandrakeSoft Single Network Firewall 7.2.0
  • OpenPKG OpenPKG Current
  • RedHat Fedora Core1
  • RedHat Fedora Core2
  • RedHat Fedora Core3
  • RedHat Fedora Core4
  • RedHat Linux 7.3.0 i386
  • RedHat Linux 9.0.0 i386
  • Slackware Linux -current
  • Slackware Linux 10.0.0
  • Slackware Linux 10.1.0
  • Slackware Linux 10.2.0
  • Slackware Linux 8.1.0
  • Slackware Linux 9.0.0
  • Slackware Linux 9.1.0
  • Turbolinux Appliance Server 1.0.0 Hosting Edition
  • Turbolinux Appliance Server 1.0.0 Workgroup Edition
  • Turbolinux Appliance Server 2.0
  • Turbolinux Appliance Server Hosting Edition 1.0.0
  • Turbolinux Appliance Server Workgroup Edition 1.0.0
  • Turbolinux Home
  • Turbolinux Multimedia
  • Turbolinux Personal
  • Turbolinux Turbolinux 10 F...
  • Turbolinux Turbolinux Desktop 10.0.0
  • Turbolinux Turbolinux FUJI
  • Turbolinux Turbolinux Server 10.0.0
  • Turbolinux Turbolinux Server 10.0.0 x64
  • Turbolinux Turbolinux Server 8.0.0
  • Ubuntu Ubuntu Linux 4.1.0 ia32
  • Ubuntu Ubuntu Linux 4.1.0 ia64
  • Ubuntu Ubuntu Linux 4.1.0 ppc
  • Ubuntu Ubuntu Linux 5.0.0 4 amd64
  • Ubuntu Ubuntu Linux 5.0.0 4 i386
  • Ubuntu Ubuntu Linux 5.0.0 4 powerpc
  • Ubuntu Ubuntu Linux 5.10.0 amd64
  • Ubuntu Ubuntu Linux 5.10.0 i386
  • Ubuntu Ubuntu Linux 5.10.0 powerpc
  • Xpdf Xpdf 3.0.0 0
  • libpng libpng 1.0.15
  • libpng libpng3 1.2.5

References:

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