Vigil@nce - tcpdump: out-of-bounds memory reading via print_prefix
February 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, tcpdump.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: internet client.
Confidence: confirmed by the editor (5/5).
Creation date: 17/12/2018.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
print_prefix() of tcpdump, in order to trigger a denial of
service, or to obtain sensitive information.
ACCESS TO THE FULL VIGIL@NCE BULLETIN
https://vigilance.fr/vulnerability/tcpdump-out-of-bounds-memory-reading-via-print-prefix-28029