Debian DSA-4183-1 : tor - security update

Medium Nessus Plugin ID 109412


The remote Debian host is missing a security-related update.


It has been discovered that Tor, a connection-based low-latency anonymous communication system, contains a protocol-list handling bug that could be used to remotely crash directory authorities with a NULL pointer exception (TROVE-2018-001).


Upgrade the tor packages.

For the stable distribution (stretch), this problem has been fixed in version

See Also

Plugin Details

Severity: Medium

ID: 109412

File Name: debian_DSA-4183.nasl

Version: 1.4

Type: local

Agent: unix

Published: 2018/04/30

Updated: 2018/11/13

Dependencies: 12634

Risk Information

Risk Factor: Medium

CVSS v2.0

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:P

CVSS v3.0

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:tor, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Patch Publication Date: 2018/04/28

Reference Information

CVE: CVE-2018-0490

DSA: 4183