Red Hat kexec-tools 1.102pre-126/2.0.0-188 cryptographic issue

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.
6.2$0-$5k0.00

Summaryinfo

A vulnerability has been found in Red Hat kexec-tools 1.102pre-126/2.0.0-188 and classified as critical. This impacts an unknown function. Performing a manipulation results in cryptographic issue. This vulnerability is known as CVE-2011-3588. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Red Hat kexec-tools 1.102pre-126/2.0.0-188. This affects an unknown part. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality. The summary by CVE is:

The SSH configuration in the Red Hat mkdumprd script for kexec-tools, as distributed in the kexec-tools 1.x before 1.102pre-154 and 2.x before 2.0.0-209 packages in Red Hat Enterprise Linux, disables the StrictHostKeyChecking option, which allows man-in-the-middle attackers to spoof kdump servers, and obtain sensitive core information, by using an arbitrary SSH key.

The weakness was published 02/15/2014 as Bug 716439 as not defined bug report (Bugzilla). The advisory is shared at bugzilla.redhat.com. This vulnerability is uniquely identified as CVE-2011-3588 since 09/21/2011. The attack needs to be done within the local network. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 68470 (Oracle Linux 5 : kexec-tools (ELSA-2012-0152)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 156277 (Oracle Enterprise Linux Update for kexec-tools Security, Bug Fix, and Enhancement Update (ELSA-2012-0152)).

Upgrading to version 1.102pre-126 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (70319), Tenable (68470), SecurityFocus (BID 50415†) and Vulnerability Center (SBV-43339†). Similar entries are available at VDB-66407 and VDB-66406. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Cryptographic issue
CWE: CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 68470
Nessus Name: Oracle Linux 5 : kexec-tools (ELSA-2012-0152)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 870730
OpenVAS Name: RedHat Update for kexec-tools RHSA-2011:1532-03
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: kexec-tools 1.102pre-126

Timelineinfo

09/21/2011 🔍
10/05/2011 +14 days 🔍
10/10/2011 +5 days 🔍
07/12/2013 +641 days 🔍
02/15/2014 +218 days 🔍
02/15/2014 +0 days 🔍
02/19/2014 +4 days 🔍
03/24/2015 +398 days 🔍
02/01/2022 +2506 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: Bug 716439
Status: Not defined
Confirmation: 🔍

CVE: CVE-2011-3588 (🔍)
GCVE (CVE): GCVE-0-2011-3588
GCVE (VulDB): GCVE-100-66405

OVAL: 🔍

X-Force: 70319
SecurityFocus: 50415 - Linux Kernel CVE-2011-3589 kexec-tools 'mkdumprd' Utility Information Disclosure Vulnerability
Vulnerability Center: 43339 - kexec-tools Remote Man-in-the-Middle Attach via Kdump SSH due to Disabling StrictHostKeyChecking Option in mkdumprd, Medium

See also: 🔍

Entryinfo

Created: 03/24/2015 15:54
Updated: 02/01/2022 18:10
Changes: 03/24/2015 15:54 (70), 05/21/2017 14:15 (5), 02/01/2022 18:10 (3)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!