BarnOwl up to 1.6.1 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.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BarnOwl up to 1.6.1. It has been declared as critical. This issue affects some unknown processing. Executing a manipulation can lead to input validation. This vulnerability is handled as CVE-2010-2725. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in BarnOwl up to 1.6.1 and classified as critical. 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 confidentiality, integrity, and availability. CVE summarizes:

BarnOwl before 1.6.2 does not check the return code of calls to the (1) ZPending and (2) ZReceiveNotice functions in libzephyr, which allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors.

The weakness was released 08/05/2010 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2010-2725 since 07/14/2010. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 49103 (Debian DSA-2102-1 : barnowl - unchecked return value), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks.

Upgrading to version 1.0.5 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (49103), SecurityFocus (BID 42318†) and Vulnerability Center (SBV-27015†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• BarnOwl

Version

• 1.0.0
• 1.0.1
• 1.0.2
• 1.0.2.1
• 1.0.3
• 1.0.4
• 1.0.4.1
• 1.0.5
• 1.1
• 1.1.1
• 1.2
• 1.2.1
• 1.3
• 1.4
• 1.5
• 1.5.1
• 1.6
• 1.6.1

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 49103
Nessus Name: Debian DSA-2102-1 : barnowl - unchecked return value
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: BarnOwl 1.0.5

Timelineinfo

07/14/2010 🔍
07/24/2010 +10 days 🔍
07/24/2010 +0 days 🔍
08/05/2010 +12 days 🔍
08/05/2010 +0 days 🔍
09/04/2010 +30 days 🔍
09/06/2010 +2 days 🔍
03/19/2015 +1655 days 🔍
09/21/2021 +2378 days 🔍

Sourcesinfo

Advisory: DSA-2102
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2725 (🔍)
GCVE (CVE): GCVE-0-2010-2725
GCVE (VulDB): GCVE-100-54256

OVAL: 🔍

SecurityFocus: 42318 - BarnOwl 'libzephyr' Multiple Remote Denial of Service Vulnerabilities
Vulnerability Center: 27015 - BarnOwl before 1.6.2 libzephyr Remote DoS or Code Execution Vulnerability, High

Entryinfo

Created: 03/19/2015 14:37
Updated: 09/21/2021 18:09
Changes: 03/19/2015 14:37 (53), 03/03/2017 18:03 (11), 09/21/2021 18:09 (4)
Complete: 🔍
Cache ID: 216::103

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Discussion

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