Juniper Junos up to 13.2 ARP information disclosure

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Juniper Junos up to 13.2 and classified as problematic. Affected by this issue is some unknown functionality of the component ARP Handler. The manipulation leads to information disclosure. This vulnerability is handled as CVE-2013-6014. The attack may be launched remotely. There is no exploit available. It is recommended to upgrade the affected component. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Detailsinfo

A vulnerability has been found in Juniper Junos up to 13.2 (Router Operating System) and classified as critical. Affected by this vulnerability is an unknown code block of the component ARP Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect availability. The summary by CVE is:

Juniper Junos 10.4 before 10.4S15, 11.4 before 11.4R9, 11.4X27 before 11.4X27.44, 12.1 before 12.1R7, 12.1X44 before 12.1X44-D20, 12.1X45 before 12.1X45-D15, 12.2 before 12.2R6, 12.3 before 12.3R3, 13.1 before 13.1R3, and 13.2 before 13.2R1, when Proxy ARP is enabled on an unnumbered interface, allows remote attackers to perform ARP poisoning attacks and possibly obtain sensitive information via a crafted ARP message.

The weakness was disclosed 10/09/2013 as JSA10595 as not defined knowledge base article (Website). It is possible to read the advisory at kb.juniper.net. This vulnerability is known as CVE-2013-6014 since 10/04/2013. The exploitation appears to be easy. 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 attack technique deployed by this issue is T1592 according to MITRE ATT&CK. The advisory points out:

If Proxy ARP is enabled on an unnumbered interface, an attacker can poison the ARP cache and create a bogus forwarding table entry for an IP address, effectively creating a denial of service for that subscriber or interface.

The vulnerability scanner Nessus provides a plugin with the ID 70480 (Juniper Junos Unnumbered Interface Cache Poisoning Remote DoS and Information Disclosure (JSA10595)), 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 43341 (Juniper JUNOS ARP Cache Poisoning (JSA10595)).

Upgrading to version 13.2R1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at juniper.net. The best possible mitigation is suggested to be upgrading to the latest version. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (70480), OSVDB (98366†) and Vulnerability Center (SBV-41853†). The entries VDB-10691, VDB-10690, VDB-10689 and VDB-10688 are pretty similar. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.3
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock
unlockunlockunlockunlockunlockunlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Dayunlockunlockunlockunlock
Todayunlockunlockunlockunlock

Nessus ID: 70480
Nessus Name: Juniper Junos Unnumbered Interface Cache Poisoning Remote DoS and Information Disclosure (JSA10595)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Junos 13.2R1
Patch: juniper.net

Timelineinfo

10/04/2013 🔍
10/09/2013 +5 days 🔍
10/09/2013 +0 days 🔍
10/10/2013 +1 days 🔍
10/13/2013 +3 days 🔍
10/16/2013 +3 days 🔍
10/17/2013 +1 days 🔍
10/28/2013 +11 days 🔍
12/23/2024 +4074 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: JSA10595
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-6014 (🔍)
GCVE (CVE): GCVE-0-2013-6014
GCVE (VulDB): GCVE-100-10687

IAVM: 🔍

OSVDB: 98366
Vulnerability Center: 41853 - Juniper JunOS Local Network Cache Poisoning Vulnerability via Unnumbered Interface when Proxy ARP Enabled, Medium

See also: 🔍

Entryinfo

Created: 10/16/2013 09:37 AM
Updated: 12/23/2024 08:49 PM
Changes: 10/16/2013 09:37 AM (73), 04/29/2019 07:03 AM (1), 05/26/2021 04:58 PM (13), 05/26/2021 05:06 PM (1), 12/23/2024 08:49 PM (19)
Complete: 🔍
Committer: olku
Cache ID: 18:6F6:40

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!