IBM AIX up to 7.2.2 rmsock Kernel 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.
4.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in IBM AIX up to 7.2.2 and classified as problematic. Affected by this vulnerability is an unknown functionality of the component rmsock. The manipulation leads to information disclosure (Kernel). This vulnerability is documented as CVE-2018-1655. The attack needs to be performed locally. There is not any exploit available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in IBM AIX up to 7.2.2 (Operating System). This issue affects an unknown part of the component rmsock. The manipulation with an unknown input leads to a information disclosure vulnerability (Kernel). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. The summary by CVE is:

IBM AIX 5.3, 6.1, 7.1, and 7.2 contains a vulnerability in the rmsock command that may be used to expose kernel memory. IBM X-Force ID: 144748.

The bug was discovered 06/21/2018. The weakness was released 06/21/2018 by Tim Brown as rmsock_advisory2.asc as confirmed security advisory (Website). The advisory is shared at aix.software.ibm.com. The identification of this vulnerability is CVE-2018-1655 since 12/13/2017. An attack has to be approached locally. A simple authentication is necessary for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 110777 (AIX rmsock Advisory : rmsock_advisory2.asc (IJ06904) (IJ06905) (IJ06906) (IJ06907) (IJ06908) (IJ06934) (IJ06935)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family AIX Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 330044 (IBM AIX rmsock Information Disclosure Vulnerability (rmsock_advisory2)).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (110777), SecurityFocus (BID 104542†) and SecurityTracker (ID 1041166†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.3
VulDB Temp Score: 3.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (IBM): 4.0
Vendor Vector (IBM): 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CNA Base Score: 4.0
CNA Vector (IBM Corporation): 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

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

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 110777
Nessus Name: AIX rmsock Advisory : rmsock_advisory2.asc (IJ06904) (IJ06905) (IJ06906) (IJ06907) (IJ06908) (IJ06934) (IJ06935)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

12/13/2017 🔍
06/21/2018 +190 days 🔍
06/21/2018 +0 days 🔍
06/21/2018 +0 days 🔍
06/21/2018 +0 days 🔍
06/22/2018 +0 days 🔍
06/22/2018 +0 days 🔍
06/22/2018 +0 days 🔍
06/28/2018 +6 days 🔍
03/28/2023 +1734 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: rmsock_advisory2.asc
Researcher: Tim Brown
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-1655 (🔍)
GCVE (CVE): GCVE-0-2018-1655
GCVE (VulDB): GCVE-100-119801

OVAL: 🔍

X-Force: 144748
SecurityFocus: 104542 - IBM AIX CVE-2018-1655 Local Information Disclosure Vulnerability
SecurityTracker: 1041166

Entryinfo

Created: 06/22/2018 18:00
Updated: 03/28/2023 14:43
Changes: 06/22/2018 18:00 (83), 02/21/2020 10:08 (9), 03/28/2023 14:38 (4), 03/28/2023 14:43 (12)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Are you interested in using VulDB?

Download the whitepaper to learn more about our service!