Vigil@nce - BusyBox: out-of-bounds memory reading via udhcp_get_option
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: BusyBox.
Severity: 2/4.
Consequences: data reading, denial of service on server, denial of
service on service, denial of service on client.
Provenance: document.
Confidence: confirmed by the editor (5/5).
Creation date: 10/01/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
udhcp_get_option() of BusyBox, in order to trigger a denial of
service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/BusyBox-out-of-bounds-memory-reading-via-udhcp-get-option-28233