Vigil@nce - sysstat: out-of-bounds memory reading via remap_struct memset
June 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: openSUSE Leap, SUSE Linux Enterprise Desktop,
SLES.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: user shell.
Confidence: confirmed by the editor (5/5).
Creation date: 01/04/2019.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
remap_struct() memset() of sysstat, in order to trigger a denial
of service, or to obtain sensitive information.
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