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Vigil@nce: Vim, command execution

June 2008 by Vigil@nce

SYNTHESIS

Several vulnerabilities can be used by an attacker to execute
commands when the victim opens a malicious file with Vim.

Gravity: 2/4

Consequences: user access/rights

Provenance: document

Means of attack: 1 attack

Ability of attacker: technician (2/4)

Confidence: confirmed by the editor (5/5)

Diffusion of the vulnerable configuration: high (3/3)

Creation date: 16/06/2008

Identifier: VIGILANCE-VUL-7895

IMPACTED PRODUCTS

 Unix - plateform

DESCRIPTION

The Vim program is a text editor compatible with the standard vi.
It has several vulnerabilities related to the "execute" command.

When the filename has special characters, a shell command is run
via filetype.vim. [grav:1/4]

When special characters are in the first five lines of a file, a
shell command is run via filetype.vim. [grav:2/4]

When a TAR archive contains a filename with special characters, a
shell command is run via tar.vim. [grav:2/4]

When a ZIP archive contains a filename with special characters, a
shell command is run via zip.vim. [grav:2/4]

When a XPM or XPM2 file contains malicious data, a shell command
is run via xpm.vim or xpm2.vim. [grav:2/4]

When a gzip archive contains a filename with special characters, a
shell command is run via gzip.vim. [grav:2/4]

When a fle accessed via Netrw has a filename with special
characters, a shell command is run via Netrw. [grav:2/4]

An attacker can therefore execute commands when the victim opens a
malicious file with Vim.

CHARACTERISTICS

Identifiers: BID-29715, VIGILANCE-VUL-7895

https://vigilance.aql.fr/tree/1/7895


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