PT-2014-6180 · Brocade · Brocade Vyatta 5400 Vrouter

Owen Shearing · Published 2014-10-07 · Updated 2014-10-07 · CVE-2014-4870

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

AV:L/AC:L/Au:N/C:C/I:C/A:C

Name of the Vulnerable Software and Affected Versions Brocade Vyatta 5400 vRouter versions 6.4R(x) through 6.7R1

Description The issue is related to the /opt/vyatta/bin/sudo-users/vyatta-clear-dhcp-lease.pl script, which does not properly validate parameters. This allows local users to gain privileges by leveraging the sudo configuration.

Recommendations For Brocade Vyatta 5400 vRouter versions 6.4R(x) through 6.7R1, consider restricting access to the vyatta-clear-dhcp-lease.pl script until a proper fix is available. As a temporary workaround, review and restrict the sudo configuration to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2014-4870

Affected Products

Brocade Vyatta 5400 Vrouter

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2014-4870 · Security Note
• http://kb.cert.org/vuls/id/111588 · Note