Juniper Junos up to 14.2 TCP Reassembly resource management

CVSS Meta Temp Score
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Juniper Junos up to 14.2. This vulnerability affects unknown code of the component TCP Reassembly Handler. This manipulation causes resource management. The identification of this vulnerability is CVE-2014-6449. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Juniper Junos up to 14.2 (Router Operating System). Affected by this vulnerability is an unknown functionality of the component TCP Reassembly Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. The summary by CVE is:

Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."

The weakness was shared 10/16/2015 (Website). It is possible to read the advisory at kb.juniper.net. This vulnerability is known as CVE-2014-6449 since 09/17/2014. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 86475 (Juniper Junos Fragmented TCP Packet Sequence Handling DoS (JSA10696)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 43544 (Juniper JUNOS Denial of Service (buffer consumption) Vulnerability (JSA10696)).

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86475), SecurityFocus (BID 77123†) and Vulnerability Center (SBV-53556†). The entries VDB-78501 and VDB-78500 are related to this item. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86475
Nessus Name: Juniper Junos Fragmented TCP Packet Sequence Handling DoS (JSA10696)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802738
OpenVAS Name: Junos TCP Reassembly DoS Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/17/2014 🔍
10/14/2015 +392 days 🔍
10/16/2015 +2 days 🔍
10/16/2015 +0 days 🔍
10/16/2015 +0 days 🔍
10/20/2015 +4 days 🔍
10/20/2015 +0 days 🔍
06/22/2022 +2437 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: kb.juniper.net
Status: Not defined
Confirmation: 🔍

CVE: CVE-2014-6449 (🔍)
GCVE (CVE): GCVE-0-2014-6449
GCVE (VulDB): GCVE-100-78499
SecurityFocus: 77123 - Juniper Junos CVE-2014-6449 Remote Denial of Service Vulnerability
SecurityTracker: 1033853
Vulnerability Center: 53556 - Juniper JunOS Remote DoS via a Crafted Sequence of Packets, Medium

See also: 🔍

Entryinfo

Created: 10/20/2015 10:05
Updated: 06/22/2022 03:17
Changes: 10/20/2015 10:05 (56), 04/29/2019 07:06 (14), 06/22/2022 03:09 (2), 06/22/2022 03:17 (1)
Complete: 🔍
Cache ID: 216:12B:103

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