Vigil@nce - patch: code shell command injection in ed scripts
November 2019 by Vigil@nce
SYNTHESIS OF THE VULNERABILITY
Impacted products: RHEL.
Consequences: administrator access/rights, privileged access/rights, user access/rights.
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.
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