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Vigil@nce - patch: code shell command injection in ed scripts

November 2019 by Vigil@nce

SYNTHESIS OF THE VULNERABILITY

Impacted products: RHEL.

Severity: 2/4.

Consequences: administrator access/rights, privileged access/rights, user access/rights.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 19/09/2019.

DESCRIPTION OF THE VULNERABILITY

An attacker can inject shell command in patches using the ed format, thanks to escapes via the "!" ed command.

ACCESS TO THE FULL VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/...




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