Vim helptags_one() function code execution

vim-helptagsone-code-execution (35655) The risk level is classified as MediumMedium Risk

Description:

Vim could allow a remote attacker to execute arbitrary code on the system, caused by a format string vulnerability in the helptags_one() function. By persuading a victim to view a specially-crafted help file with a malicious helptags command, a remote attacker could exploit this vulnerability to execute arbitrary code on the system.

*CVSS:

Base Score: 5.6
  Access Vector: Remote
  Access Complexity: High
  Authentication: Not Required
  Confidentiality Impact: Partial
  Integrity Impact: Partial
  Availability Impact: Partial
 
Temporal Score: 4.1
  Exploitability: Unproven
  Remediation Level: Official-Fix
  Report Confidence: Confirmed

Consequences:

Gain Access

Remedy:

Upgrade to the latest version of Vim (7.1.039 or later), available from the Vim FTP Web site. See References.

For Mandriva Linux (vim):
Refer to MDKSA-2007:168 for patch, upgrade, or suggested workaround information. See References.

For Ubuntu Linux (vim):
Refer to USN-505-1 for patch, upgrade, or suggested workaround information. See References.

For SUSE Linux (vim):
Refer to SUSE-SR:2007:018 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (vim):
Refer to DSA-1364-1 for patch, upgrade, or suggested workaround information. See References.

For Debian GNU/Linux (vim):
Refer to DSA-1364-2 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

  • Vim FTP Web site: FTP directory /pub/vim/patches/7.1/ at ftp.vim.org.
  • VMSA-2009-0004: ESX Service Console updates for openssl, bind, and vim.
  • ASA-2009-001: vim security update (RHSA-2008-0617)
  • BID-25095: Vim HelpTags Command Remote Format String Vulnerability
  • CVE-2007-2953: Format string vulnerability in the helptags_one function in src/ex_cmds.c in Vim 6.4 and earlier, and 7.x up to 7.1, allows user-assisted remote attackers to execute arbitrary code via format string specifiers in a help-tags tag in a help file, related to the helptags command.
  • DSA-1364: vim -- several vulnerabilities
  • MDKSA-2007:168: Updated vim packages fix vulnerability
  • RHSA-2008-0580: Moderate: vim security update
  • RHSA-2008-0617: Moderate: vim security update
  • SA25941: Vim "helptags" Command Format String Vulnerability
  • SA33410: Avaya Products Vim Multiple Vulnerabilities
  • SUSE-SR:2007:018: SUSE Security Summary Report
  • USN-505-1: vim vulnerability

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 6.10
  • Canonical Ubuntu 7.04
  • Debian Debian Linux 3.1
  • Debian Debian Linux 4.0
  • MandrakeSoft Mandrake Linux 2007
  • MandrakeSoft Mandrake Linux 2007 X86_64
  • MandrakeSoft Mandrake Linux 2007.1
  • MandrakeSoft Mandrake Linux 2007.1 X86_64
  • MandrakeSoft Mandrake Linux 2008.0 X86_64
  • MandrakeSoft Mandrake Linux Corporate Server 4.0
  • MandrakeSoft Mandrake Linux Corporate Server 4.0 X86_64
  • RedHat Enterprise Linux 3 Desktop
  • RedHat Enterprise Linux 3 AS
  • RedHat Enterprise Linux 3 ES
  • RedHat Enterprise Linux 3 WS
  • RedHat Enterprise Linux 4 WS
  • RedHat Enterprise Linux 4 ES
  • RedHat Enterprise Linux 4 Desktop
  • RedHat Enterprise Linux 4 AS
  • RedHat Enterprise Linux 4.7.z AS
  • RedHat Enterprise Linux 5 Client
  • RedHat Enterprise Linux 5
  • RedHat Enterprise Linux 5.2.z EUS
  • RedHat Red Hat Enterprise Linux 4.7.z ES
  • SUSE SuSE Linux
  • Vim Vim prior to 7.1.039
  • VMware ESX Server 2.5.5
  • VMware ESX Server 3.0.2
  • VMware ESX Server 3.0.3
  • VMware ESX Server 3.5

Reported:

Jul 27, 2007

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The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall IBM be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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