Digium Asterisk up to 1.8.4.2 handle_request_info information disclosure

| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Digium Asterisk up to 1.8.4.2. It has been classified as problematic. Affected by this issue is the function handle_request_info. The manipulation leads to information disclosure.
This vulnerability is uniquely identified as CVE-2011-4598. No exploit exists.
Upgrading the affected component is recommended.
Details
A vulnerability was found in Digium Asterisk up to 1.8.4.2 (Communications System). It has been rated as problematic. This issue affects the function handle_request_info. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is availability. The summary by CVE is:
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
The weakness was disclosed 12/14/2011 (Website). It is possible to read the advisory at debian.org. The identification of this vulnerability is CVE-2011-4598. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.
The vulnerability scanner Nessus provides a plugin with the ID 57289 (Asterisk Multiple Vulnerabilities (AST-2011-013 / AST-2011-014)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc..
Upgrading to version 1.8.4.3 eliminates this vulnerability.
The vulnerability is also documented in the databases at X-Force (71839), Tenable (57289), SecurityFocus (BID 50989†), OSVDB (77598†) and Vulnerability Center (SBV-34078†). The entry VDB-59686 is pretty similar. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.digium.com/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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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: 🔍
Exploiting
Class: Information disclosureCWE: CWE-200 / CWE-284 / CWE-266
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 57289
Nessus Name: Asterisk Multiple Vulnerabilities (AST-2011-013 / AST-2011-014)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
OpenVAS ID: 70579
OpenVAS Name: Debian Security Advisory DSA 2367-1 (asterisk)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Asterisk 1.8.4.3
Timeline
11/29/2011 🔍12/14/2011 🔍
12/14/2011 🔍
12/14/2011 🔍
12/19/2011 🔍
03/23/2015 🔍
11/28/2021 🔍
Sources
Vendor: digium.comAdvisory: dsa-2367
Status: Not defined
Confirmation: 🔍
CVE: CVE-2011-4598 (🔍)
GCVE (CVE): GCVE-0-2011-4598
GCVE (VulDB): GCVE-100-59687
X-Force: 71839
SecurityFocus: 50989
Secunia: 47273
OSVDB: 77598
Vulnerability Center: 34078 - Asterisk Open Source 1.6.2.x and 1.8.x Remote Null Pointer Dereference Vulnerability, Low
See also: 🔍
Entry
Created: 03/23/2015 16:50Updated: 11/28/2021 10:25
Changes: 03/23/2015 16:50 (42), 07/08/2015 15:49 (18), 11/28/2021 10:14 (5), 11/28/2021 10:19 (8), 11/28/2021 10:25 (1)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.
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