Actu
Vigil@nce - tcpdump: out-of-bounds memory reading via EXTRACT_32BITS
May 2020 by Vigil@nce
This bulletin was written by Vigil@nce : https://vigilance.fr/offer/Computer-vulnerabilities-watch-and-alert
SYNTHESIS OF THE VULNERABILITY
Impacted products: Mac OS X, Debian, BIG-IP Hardware, TMOS,
Fedora, AIX, openSUSE Leap, Solaris, RSA Authentication Manager,
Slackware, SUSE Linux Enterprise Desktop, SLES, tcpdump, Ubuntu.
Severity: 2/4.
Consequences: data reading, denial of service on service, denial
of service on client.
Provenance: intranet client.
Confidence: confirmed by the editor (5/5).
Creation date: 17/03/2020.
DESCRIPTION OF THE VULNERABILITY
An attacker can force a read at an invalid address via
EXTRACT_32BITS() 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-EXTRACT-32BITS-31803
