4.0
MEDIUM
CVE-2012-2948
Asterisk Remote Authentication NULL Pointer Dereference DoS
Description

chan_skinny.c in the Skinny (aka SCCP) channel driver in Certified Asterisk 1.8.11-cert before 1.8.11-cert2 and Asterisk Open Source 1.8.x before 1.8.12.1 and 10.x before 10.4.1 allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) by closing a connection in off-hook mode.

INFO

Published Date :

June 2, 2012, 3:55 p.m.

Last Modified :

Aug. 15, 2024, 12:44 p.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

8.0
Affected Products

The following products are affected by CVE-2012-2948 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Asterisk open_source
2 Asterisk certified_asterisk
1 Sangoma asterisk

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-2948 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-2948 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:* versions from (including) 1.8.12.0 OR *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 1.8.12.0
  • CPE Deprecation Remap by [email protected]

    Aug. 15, 2024

    Action Type Old Value New Value
    Changed CPE Configuration OR *cpe:2.3:a:asterisk:open_source:*:*:*:*:*:*:*:* versions from (including) 10.4.0 OR *cpe:2.3:a:sangoma:asterisk:*:*:*:*:*:*:*:* versions from (including) 10.4.0
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Aug. 29, 2017

    Action Type Old Value New Value
    Removed Reference http://xforce.iss.net/xforce/xfdb/75937 [No Types Assigned]
    Added Reference https://exchange.xforce.ibmcloud.com/vulnerabilities/75937 [No Types Assigned]
  • Initial Analysis by [email protected]

    Jun. 04, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-2948 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-2948 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

96.11 }} 0.07%

score

0.99540

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability