A vulnerability, which was classified as critical, has been found in Debian myspell 3.1. Affected by this issue is an unknown function. The manipulation with an unknown input leads to a link following vulnerability. Using CWE to declare the problem leads to CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. Impacted is confidentiality, integrity, and availability. CVE summarizes:

i2myspell in myspell 3.1 allows local users to overwrite arbitrary files via a symlink attack on (1) /tmp/i2my#####.1 and (2) /tmp/i2my#####.2 temporary files.

The weakness was disclosed 11/06/2008 (Website). The advisory is shared for download at bugs.gentoo.org. This vulnerability is handled as CVE-2008-4973 since 11/06/2008. The attack needs to be approached locally. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 10/14/2018).

It is declared as highly functional.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at X-Force (44830). The entries 44966, 44935, 44934 and 44933 are pretty similar.

Productinfo

Vendor

• Debian

Name

• myspell

Version

• 3.1

License

• open-source

CPE 2.3info

• 🔍

CPE 2.2info

• 🔍

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CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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