OpenLDAP up to 2.4.36 numeric error

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.
5.3$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenLDAP. It has been classified as problematic. This issue affects some unknown processing. The manipulation leads to numeric error. This vulnerability is listed as CVE-2013-4449. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenLDAP (Directory Service Software). This issue affects an unknown code block. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is availability. The summary by CVE is:

The rwm overlay in OpenLDAP 2.4.23, 2.4.36, and earlier does not properly count references, which allows remote attackers to cause a denial of service (slapd crash) by unbinding immediately after a search request, which triggers rwm_conn_destroy to free the session context while it is being used by rwm_op_search.

The weakness was presented 02/05/2014 by Michael Vishchers with Seven Principles AG as Bug 1019490 as not defined bug report (Bugzilla). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2013-4449 since 06/12/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 72276 (Scientific Linux Security Update : openldap on SL6.x i386/x86_64), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Scientific Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 167798 (SUSE Enterprise Linux Security update for openldap2 (SUSE-SU-2015:0887-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 13799.

The vulnerability is also documented in the databases at X-Force (88314), Tenable (72276), SecurityFocus (BID 63190†) and Vulnerability Center (SBV-43194†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
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: 72276
Nessus Name: Scientific Linux Security Update : openldap on SL6.x i386/x86_64
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881872
OpenVAS Name: CentOS Update for openldap CESA-2014:0126 centos6
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

06/12/2013 🔍
10/11/2013 +121 days 🔍
10/11/2013 +0 days 🔍
02/04/2014 +116 days 🔍
02/05/2014 +1 days 🔍
02/05/2014 +0 days 🔍
02/10/2014 +5 days 🔍
03/24/2015 +407 days 🔍
02/01/2022 +2506 days 🔍

Sourcesinfo

Advisory: Bug 1019490
Researcher: Michael Vishchers
Organization: Seven Principles AG
Status: Not defined
Confirmation: 🔍

CVE: CVE-2013-4449 (🔍)
GCVE (CVE): GCVE-0-2013-4449
GCVE (VulDB): GCVE-100-66323

OVAL: 🔍

X-Force: 88314
SecurityFocus: 63190 - OpenLDAP 'rwm_conn_destroy' Denial of Service Vulnerability
SecurityTracker: 1029711
Vulnerability Center: 43194 - OpenLDAP 2.4.36 and Earlier Remote Denial of Service due to Improper Reference Counting, Medium

Entryinfo

Created: 03/24/2015 15:54
Updated: 02/01/2022 11:23
Changes: 03/24/2015 15:54 (64), 05/20/2017 10:32 (15), 02/01/2022 11:16 (3), 02/01/2022 11:23 (1)
Complete: 🔍
Cache ID: 216::103

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

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!