Digium Zaptel 1.2/1.2.27/1.4/1.4.11 wrong numeric error

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.
8.4	$0-$5k	0.00

A vulnerability was found in Digium Zaptel 1.2/1.2.27/1.4/1.4.11. It has been rated as critical. Affected by this issue is some unknown processing. The manipulation of the argument wrong with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Array index error in the dahdi/tor2.c driver in Zaptel (aka DAHDI) 1.4.11 and earlier allows local users in the dialout group to overwrite an integer value in kernel memory by writing to /dev/zap/ctl, related to an incorrect tor2 patch for CVE-2008-5396 that uses the wrong variable in a range check against the value of lc->sync.

The weakness was shared 12/26/2008 as Bug 475446# as not defined bug report (Bugzilla). The advisory is available at bugzilla.redhat.com. This vulnerability is handled as CVE-2008-5744. The exploitation is known to be easy. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 35333 (Debian DSA-1699-1 : zaptel - array index error), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 175207 (Debian Security Update for Zaptel (DSA-1699)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (47666) and Tenable (35333). The entry 45356 is related to this item.

Productinfo

Vendor

Digium

Name

Zaptel

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 8.4

VulDB Base Score: 8.4
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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

Exploitinginfo

Class: Numeric error
CWE: CWE-189
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Nessus ID: 35333
Nessus Name: Debian DSA-1699-1 : zaptel - array index error
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 63146
OpenVAS Name: Debian Security Advisory DSA 1699-1 (zaptel)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/19/2008 🔍
12/26/2008 +6 days 🔍
12/26/2008 +0 days 🔍
12/26/2008 +0 days 🔍
01/18/2009 +23 days 🔍
03/17/2015 +2249 days 🔍
08/03/2021 +2331 days 🔍

Sourcesinfo

Vendor: digium.com

Advisory: Bug 475446#
Status: Not defined
Confirmation: 🔍

CVE: CVE-2008-5744 (🔍)
OVAL: 🔍

X-Force: 47666
Vulnerability Center: 20527 - Asterisk Zaptel (AKA DAHDI) 1.4.11 Array Index Error Local Dialout Group Users Privilege Escalation, Medium

See also: 🔍

Entryinfo

Created: 03/17/2015 16:11
Updated: 08/03/2021 20:45
Changes: 03/17/2015 16:11 (59), 12/24/2017 09:36 (7), 08/03/2021 20:36 (4), 08/03/2021 20:45 (1)
Complete: 🔍