GLSA-201507-02 : Tor: Denial of Service

Medium Nessus Plugin ID 84556


The remote Gentoo host is missing one or more security-related patches.


The remote host is affected by the vulnerability described in GLSA-201507-02 (Tor: Denial of Service)

Tor does not handle data correctly when specifically crafted data is sent, and also fails to properly verify a descriptor provided by a hidden service directory.
Impact :

A remote attacker could cause a Denial of Service condition in both a Tor client or a Tor server.
Workaround :

There is no known workaround at this time.


All Tor users should upgrade to the latest version:
# emerge --sync # emerge --ask --oneshot --verbose '>=net-misc/tor-'

See Also

Plugin Details

Severity: Medium

ID: 84556

File Name: gentoo_GLSA-201507-02.nasl

Version: $Revision: 2.1 $

Type: local

Published: 2015/07/07

Modified: 2015/07/07

Dependencies: 12634

Risk Information

Risk Factor: Medium


Base Score: 5

Temporal Score: 4.3

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

Temporal Vector: CVSS2#E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:gentoo:linux:tor, cpe:/o:gentoo:linux

Required KB Items: Host/local_checks_enabled, Host/Gentoo/release, Host/Gentoo/qpkg-list

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2015/07/06

Reference Information

CVE: CVE-2015-2928, CVE-2015-2929

BID: 73932, 73938

GLSA: 201507-02