VDB-1524 · CVE-2005-0036 · BID 13729

Cisco Unity Express DNS Packet Compression denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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.
7.2$0-$5k0.00

Summaryinfo

A vulnerability described as critical has been identified in Cisco Unity Express. The affected element is an unknown function of the component DNS Packet Compression Handler. The manipulation results in denial of service. This vulnerability is cataloged as CVE-2005-0036. There is no exploit available. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability, which was classified as critical, was found in Cisco Unity Express (unknown version). Affected is an unknown code block of the component DNS Packet Compression Handler. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. This is going to have an impact on availability. CVE summarizes:

The DNS implementation in DeleGate 8.10.2 and earlier allows remote attackers to cause a denial of service via a compressed DNS packet with a label length byte with an incorrect offset, which could trigger an infinite loop.

The weakness was shared 05/24/2005 by Dr. Steve Beaty with Metropolitan State College of Denver (Website). The advisory is shared for download at cisco.com. This vulnerability is traded as CVE-2005-0036 since 01/07/2005. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.

As 0-day the estimated underground price was around $5k-$25k.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cisco.com.

The vulnerability is also documented in the databases at SecurityFocus (BID 13729†), OSVDB (25291†), Secunia (SA15472†) and Vulnerability Center (SBV-8301†). The entries VDB-1520, VDB-1530, VDB-1519 and VDB-1533 are related to this item. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: cisco.com

Timelineinfo

01/07/2005 🔍
05/24/2005 +137 days 🔍
05/24/2005 +0 days 🔍
06/07/2005 +14 days 🔍
12/31/2005 +207 days 🔍
07/08/2024 +6764 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco.com
Researcher: Dr. Steve Beaty
Organization: Metropolitan State College of Denver
Status: Not defined

CVE: CVE-2005-0036 (🔍)
GCVE (CVE): GCVE-0-2005-0036
GCVE (VulDB): GCVE-100-1524
SecurityFocus: 13729 - Multiple Vendor DNS Message Decompression Remote Denial of Service Vulnerability
Secunia: 15472 - Cisco Various Products Compressed DNS Messages Denial of Service, Less Critical
OSVDB: 25291
Vulnerability Center: 8301

See also: 🔍

Entryinfo

Created: 06/07/2005 12:31
Updated: 07/08/2024 13:02
Changes: 06/07/2005 12:31 (54), 11/30/2015 09:41 (5), 03/11/2021 12:52 (8), 07/08/2024 13:02 (16)
Complete: 🔍
Cache ID: 216:D37:103

Once again VulDB remains the best source for vulnerability data.

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