XEmacs and Emacs popmail function in movemail.c file format string
| xemacs-movemail-format-string (19246) |  High Risk |
Description:
The movemail utility included in Emacs is vulnerable to a format string attack, caused by a vulnerability in the popmail function in the movemail.c file. A remote attacker in control of a POP3 mail server could send a specially-crafted response to a victim who is connected as a movemail client to execute arbitrary code on the system with elevated privileges, possibly setgid mail.
Consequences:
Gain Access
Remedy:
For Emacs:
Upgrade to the latest version of Emacs (21.4 or later), available from the GNU Web site. See References.
For XEmacs:
Upgrade to the latest version of XEmacs (21.4.17 or later), available from the XEmacs Web site. See References.
For Ubuntu Linux:
Refer to USN-76-1 February 07, 2005 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux:
Upgrade to the latest version of emacs (21.4 or later) or xemacs (21.4.15-r3 or later), as listed in GLSA 200502-20. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest version of emacs 20 (20.7-13.3 or later), as listed in DSA-670-1. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest version of xemacs 21 (21.4.16-2 or later), as listed in DSA-671-1. See References.
For Debian GNU/Linux 3.0 (woody):
Upgrade to the latest version of emacs 21 (21.2-1woody3 or later), as listed in DSA-685-1. See References.
For Red Hat Linux (emacs):
Refer to RHSA-2005:110-06 or RHSA-2005:112-03 for patch, upgrade, or suggested workaround information. See References.
For Red Hat Linux (Xemacs):
Refer to RHSA-2005:133-05 or RHSA-2005:134-02 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
References:
- CIAC Information Bulletin P-123: Emacs20.
- GNU Web site: Index of ftp.gnu.org/gnu/emacs.
- XEmacs Announcements Web site: XEmacs 21.4.17, "Jumbo Shrimp", is released.
- BID-12462: Emacs Movemail POP3 Remote Format String Vulnerability
- CVE-2005-0100: Format string vulnerability in the movemail utility in (1) Emacs 20.x, 21.3, and possibly other versions, and (2) XEmacs 21.4 and earlier, allows remote malicious POP3 servers to execute arbitrary code via crafted packets.
- DSA-670: emacs20 -- format string
- DSA-671: xemacs21 -- format string
- DSA-685: emacs21 -- format string
- GLSA-200502-20: Emacs, XEmacs: Format string vulnerabilities in movemail
- MDKSA-2005:038: Updated emacs/xemacs packages fix vulnerability
- RHSA-2005-110: emacs security update
- RHSA-2005-112: emacs security update
- RHSA-2005-133: xemacs security update
- RHSA-2005-134: xemacs security update
- SUSE-SR:2005:006: SUSE Security Summary Report
Platforms Affected:
- Canonical Ubuntu 4.10
- Debian Debian Linux 3.0
- Gentoo Linux
- GNU emacs 20.0
- GNU emacs 21.3
- GNU XEmacs 21.3
- GNU XEmacs 21.4
- MandrakeSoft Mandrake Linux 10.0 AMD64
- MandrakeSoft Mandrake Linux 10.0
- MandrakeSoft Mandrake Linux 10.1
- MandrakeSoft Mandrake Linux 10.1 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 2.1
- MandrakeSoft Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft Mandrake Linux Corporate Server 3.0
- RedHat Enterprise Linux 2.1 WS
- RedHat Enterprise Linux 2.1 ES
- RedHat Enterprise Linux 2.1 AS
- RedHat Enterprise Linux 3 Desktop
- RedHat Enterprise Linux 3 ES
- RedHat Enterprise Linux 3 AS
- RedHat Enterprise Linux 3 WS
- RedHat Enterprise Linux 4 Desktop
- RedHat Enterprise Linux 4 WS
- RedHat Enterprise Linux 4 ES
- RedHat Enterprise Linux 4 AS
- RedHat Linux Advanced Workstation 2.1 Itanium
- Turbolinux Turbolinux 10 Desktop
- Turbolinux Turbolinux 10 F...
- Turbolinux Turbolinux 10 Server
- Turbolinux Turbolinux 7 Server
- Turbolinux Turbolinux 7 Workstation
- Turbolinux Turbolinux 8 Server
- Turbolinux Turbolinux 8 Workstation
- Turbolinux Turbolinux Home
- Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
- Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed
Reported:
Feb 07, 2005
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