Red Hat Certificate System up to 7.2 input validation

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.
4.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Red Hat Certificate System up to 7.2. It has been declared as problematic. Affected by this issue is some unknown functionality. Executing a manipulation can lead to input validation. This vulnerability appears as CVE-2012-4556. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Red Hat Certificate System up to 7.2 and classified as problematic. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect availability. CVE summarizes:

The token processing system (pki-tps) in Red Hat Certificate System (RHCS) before 8.1.3 allows remote attackers to cause a denial of service (Apache httpd web server child process restart) via certain unspecified empty search fields in a user certificate search query.

The weakness was presented 01/04/2013 by ryan with Red Hat as Bug 869579 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability was named CVE-2012-4556 since 08/21/2012. The exploitation appears to be easy. The attack can be initiated remotely. Required for exploitation is a single authentication. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 78943 (RHEL 5 : pki (RHSA-2012:1550)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks.

Upgrading to version 7.3 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (78943), SecurityFocus (BID 56843†), Secunia (SA51482†) and SecurityTracker (ID 1027846†). See VDB-63327 and VDB-63326 for similar entries. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 4.1

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 78943
Nessus Name: RHEL 5 : pki (RHSA-2012:1550)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Certificate System 7.3

Timelineinfo

08/21/2012 🔍
12/06/2012 +107 days 🔍
12/06/2012 +0 days 🔍
12/07/2012 +1 days 🔍
01/04/2013 +28 days 🔍
01/04/2013 +0 days 🔍
03/24/2015 +809 days 🔍
12/21/2021 +2464 days 🔍

Sourcesinfo

Vendor: redhat.com

Advisory: Bug 869579
Researcher: ryan
Organization: Red Hat
Status: Confirmed

CVE: CVE-2012-4556 (🔍)
GCVE (CVE): GCVE-0-2012-4556
GCVE (VulDB): GCVE-100-63328
SecurityFocus: 56843 - Red Hat Certificate System Multiple Cross-Site Scripting and Denial of Service Vulnerabilities
Secunia: 51482 - Red Hat update for pki, Less Critical
SecurityTracker: 1027846

See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/21/2021 13:44
Changes: 03/24/2015 12:22 (61), 02/11/2018 11:52 (7), 12/21/2021 13:44 (3)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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!