Juniper Junos SIP DoS (PSN-2013-04-911)

High Nessus Plugin ID 66509


The remote device is missing a vendor-supplied security patch.


According to its self-reported version number, the remote Junos device has a denial of service vulnerability. When the SIP ALG feature is enabled, a specially crafted SIP packet can cause the flowd process to crash. A remote, unauthenticated attacker could exploit this to drop all existing network traffic.


Apply the relevant Junos upgrade referenced in Juniper advisory PSN-2013-04-911.

See Also

Plugin Details

Severity: High

ID: 66509

File Name: juniper_psn-2013-04-911.nasl

Version: 1.8

Type: combined

Published: 2013/05/20

Updated: 2018/08/07

Dependencies: 55932

Risk Information

Risk Factor: High

CVSS v2.0

Base Score: 7.1

Temporal Score: 5.3

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

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

Vulnerability Information

CPE: cpe:/o:juniper:junos

Required KB Items: Host/Juniper/model, Host/Juniper/JUNOS/Version, Host/Juniper/JUNOS/BuildDate

Exploit Available: false

Exploit Ease: No known exploits are available

Patch Publication Date: 2013/04/08

Vulnerability Publication Date: 2013/04/08

Reference Information

BID: 60011