OpenBSD 4.3/4.4 rde_attr.c aspath_prepend denial of service

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.
4.6	$0-$5k	0.00

Summaryinfo

A vulnerability was found in OpenBSD 4.3/4.4 and classified as problematic. This impacts the function aspath_prepend of the file rde_attr.c. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2009-0780. There is not any exploit available. A patch should be applied to remediate this issue.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in OpenBSD 4.3/4.4 (Operating System). Affected by this issue is the function aspath_prepend of the file rde_attr.c. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

The aspath_prepend function in rde_attr.c in bgpd in OpenBSD 4.3 and 4.4 allows remote attackers to cause a denial of service (application crash) via an Autonomous System (AS) advertisement containing a long AS path.

The weakness was released 02/18/2009 with OpenBSD (Website). The advisory is available at openbsd.org. This vulnerability is handled as CVE-2009-0780 since 03/04/2009. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (48812), SecurityFocus (BID 33828†), OSVDB (52271†), Secunia (SA33975†) and SecurityTracker (ID 1021736†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Operating System

Name

• OpenBSD

Version

• 4.3
• 4.4

License

• open-source

CPE 2.3info

• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.3
VulDB Temp Score: 4.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Timelineinfo

02/18/2009 🔍
02/18/2009 +0 days 🔍
02/18/2009 +0 days 🔍
02/19/2009 +0 days 🔍
02/19/2009 +0 days 🔍
03/04/2009 +12 days 🔍
03/04/2009 +0 days 🔍
03/17/2015 +2204 days 🔍
10/31/2018 +1324 days 🔍

Sourcesinfo

Advisory: openbsd.org
Organization: OpenBSD
Status: Confirmed

CVE: CVE-2009-0780 (🔍)
GCVE (CVE): GCVE-0-2009-0780
GCVE (VulDB): GCVE-100-46946
X-Force: 48812 - OpenBSD aspath_prepend() denial of service
SecurityFocus: 33828 - OpenBSD bgpd Remote Denial of Service Vulnerability
Secunia: 33975 - OpenBSD bgpd Long AS Path Denial of Service Vulnerability, Moderately Critical
OSVDB: 52271 - OpenBSD usr.sbin/bgpd/rde_attr.c aspath_prepend() Function bgpd AS Path Handling Remote DoS
SecurityTracker: 1021736

Entryinfo

Created: 03/17/2015 16:11
Updated: 10/31/2018 06:28
Changes: 03/17/2015 16:11 (60), 10/31/2018 06:28 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

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