Juniper Junos up to 15.1 pam.conf access control

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in Juniper Junos up to 15.1. Affected is an unknown function of the file pam.conf. The manipulation leads to access control. This vulnerability is traded as CVE-2015-7751. An attack has to be approached locally. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Juniper Junos up to 15.1 (Router Operating System) and classified as critical. This issue affects some unknown processing of the file pam.conf. The manipulation with an unknown input leads to a access control vulnerability. Using CWE to declare the problem leads to CWE-264. Impacted is confidentiality, integrity, and 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 12.3R9, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R7, 13.2X51 before 13.2X51-D35, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.1X50 before 14.1X50-D105, 14.1X51 before 14.1X51-D70, 14.1X53 before 14.1X53-D25, 14.1X55 before 14.1X55-D20, 14.2 before 14.2R1, 15.1 before 15.1F2 or 15.1R1, and 15.1X49 before 15.1X49-D10 does not require a password for the root user when pam.conf is "corrupted," which allows local users to gain root privileges by modifying the file.

The weakness was shared 10/19/2015 (Website). It is possible to read the advisory at securitytracker.com. The identification of this vulnerability is CVE-2015-7751 since 10/08/2015. Attacking locally is a requirement. Required for exploitation is a simple authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 86608 (Juniper Junos Corrupt pam.conf Security Bypass (JSA10707)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Junos Local Security Checks.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (86608) and Vulnerability Center (SBV-53562†). The entries VDB-78540, VDB-78537 and VDB-78536 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: 7.8
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 86608
Nessus Name: Juniper Junos Corrupt pam.conf Security Bypass (JSA10707)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 802738
OpenVAS Name: Junos Fail-Open Unauthenticated Root Access Vulnerability
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/08/2015 🔍
10/15/2015 +7 days 🔍
10/19/2015 +4 days 🔍
10/19/2015 +0 days 🔍
10/20/2015 +1 days 🔍
10/20/2015 +0 days 🔍
06/22/2022 +2437 days 🔍

Sourcesinfo

Vendor: juniper.net

Advisory: securitytracker.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-7751 (🔍)
GCVE (CVE): GCVE-0-2015-7751
GCVE (VulDB): GCVE-100-78539
SecurityTracker: 1033817
Vulnerability Center: 53562 - Juniper JunOS Local Privilege Escalation by Modifying the Pam.conf File, Medium

See also: 🔍

Entryinfo

Created: 10/20/2015 10:11
Updated: 06/22/2022 09:56
Changes: 10/20/2015 10:11 (58), 04/29/2019 07:06 (6), 06/22/2022 09:52 (2), 06/22/2022 09:56 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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