Vigil@nce - Source-to-Image: directory traversal via ExtractTarStreamFromTarReader
March 2019 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerability-database-and-alert
SYNTHESIS OF THE VULNERABILITY
– Impacted products: RHEL.
– Severity: 2/4.
– Consequences: data creation/edition.
– Provenance: internet client.
– Confidence: confirmed by the editor (5/5).
– Creation date: 08/01/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can traverse directories via ExtractTarStreamFromTarReader()
of Source-to-Image, in order to create a file outside the service
root path.
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