Digium Asterisk up to 1.4.11 denial of service

CVSS Meta Temp Score
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability was found in Digium Asterisk up to 1.4.11. It has been classified as problematic. Affected by this vulnerability is an unknown functionality. This manipulation causes denial of service. This vulnerability appears as CVE-2007-4521. The attack may be initiated remotely. There is no available exploit. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability has been found in Digium Asterisk up to 1.4.11 (Communications System) and classified as problematic. Affected by this vulnerability is an unknown code block. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability. The summary by CVE is:

Asterisk Open Source 1.4.5 through 1.4.11, when configured to use an IMAP voicemail storage backend, allows remote attackers to cause a denial of service via an e-mail with an "invalid/corrupted" MIME body, which triggers a crash when the recipient listens to voicemail.

The weakness was presented 08/27/2007 (Website). The advisory is shared at vupen.com. This vulnerability is known as CVE-2007-4521 since 08/24/2007. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

It is declared as proof-of-concept.

Applying a patch is able to eliminate this problem.

The vulnerability is also documented in the databases at X-Force (36261), SecurityFocus (BID 25438†), Secunia (SA26601†) and SecurityTracker (ID 1018606†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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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: Proof-of-Concept

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: 🔍

Timelineinfo

08/24/2007 🔍
08/24/2007 +0 days 🔍
08/25/2007 +1 days 🔍
08/27/2007 +2 days 🔍
08/27/2007 +0 days 🔍
03/16/2015 +2758 days 🔍
07/21/2021 +2319 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: vupen.com⛔
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2007-4521 (🔍)
GCVE (CVE): GCVE-0-2007-4521
GCVE (VulDB): GCVE-100-38533
X-Force: 36261 - Asterisk MIME body denial of service
SecurityFocus: 25438 - Asterisk Malformed MIME Body Remote Denial of Service Vulnerability
Secunia: 26601
SecurityTracker: 1018606 - Asterisk IMAP Voicemail Storage Bug Lets Remote Users Deny Service
Vupen: ADV-2007-2978

Entryinfo

Created: 03/16/2015 12:18
Updated: 07/21/2021 16:55
Changes: 03/16/2015 12:18 (44), 12/24/2017 09:43 (12), 07/21/2021 16:55 (8)
Complete: 🔍
Cache ID: 216:54A:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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