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Vulnerability Note VU#401808exuberant-ctags creates temporary files insecurelyOverviewSome versions of exuberant-ctags, a source code navigation utility, create and use temporary files insecurely, leading to local file corruption and possible denial-of-service.I. DescriptionExuberent-ctags is a source code navigation utility. It creates temporary files with predictable names in /tmp. Prior to creation, the utility does not check for existence of the temporary files. These files are created world-readable.II. ImpactBy creating symbolic links named as the temporary files, an attacker can cause exuberant-ctags to overwrite files writable by the user of exuberant-ctags. By creating similarly named files and protecting them against the user of exuberant-ctags, an attacker can deny use of this utility to a user.III. SolutionApply vendor patches; see the Systems Affected section below.Systems Affected
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This vulnerability was first reported by Colin Phipps. This document was last modified by Tim Shimeall.
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