VDB-107602 · CVE-2017-14603 · BID 100669

Digium Asterisk up to 11.25.2/13.17.1/14.6.1 RTCP Packet information disclosure

CVSS Meta Temp Score
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CTI Interest Score
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7.2$0-$5k0.00

A vulnerability was found in Digium Asterisk up to 11.25.2/13.17.1/14.6.1 (Communications System). It has been declared as critical. This vulnerability affects an unknown code block of the component RTCP Packet Handler. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

In Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.

The bug was discovered 09/20/2017. The weakness was disclosed 10/10/2017 (Website). The advisory is available at debian.org. This vulnerability was named CVE-2017-14603 since 09/19/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability scanner Nessus provides a plugin with the ID 104042 (Asterisk 11.x < 11.25.3 / 13.x < 13.17.2 / 14.x < 14.6.2 / 11.6 < 11.6-cert18 / 13.13 < 13.13-cert6 RTP/RTCP information leak (AST-2017-008)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Misc. and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176170 (Debian Security Update for asterisk (DSA 3990-1)).

Upgrading to version 11.25.3, 13.17.2 or 14.6.2 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104042).

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
ATT&CK: T1592

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 104042
Nessus Name: Asterisk 11.x < 11.25.3 / 13.x < 13.17.2 / 14.x < 14.6.2 / 11.6 < 11.6-cert18 / 13.13 < 13.13-cert6 RTP/RTCP information leak (AST-2017-008)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 53378
OpenVAS Name: Debian Security Advisory DSA 3990-1 (asterisk - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Asterisk 11.25.3/13.17.2/14.6.2

Timelineinfo

09/19/2017 🔍
09/19/2017 +0 days 🔍
09/20/2017 +1 days 🔍
10/09/2017 +19 days 🔍
10/10/2017 +1 days 🔍
10/10/2017 +0 days 🔍
10/20/2017 +10 days 🔍
01/03/2023 +1901 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: debian.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14603 (🔍)
OVAL: 🔍

SecurityFocus: 100669

Entryinfo

Created: 10/10/2017 10:03
Updated: 01/03/2023 07:44
Changes: 10/10/2017 10:03 (73), 12/17/2019 15:58 (2), 01/03/2023 07:44 (4)
Complete: 🔍

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