5.0
MEDIUM CVSS 2.0
CVE-2013-5641
Asterisk Signed Integer Overflow in SIP Channel Driver
Description

The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.17.x through 1.8.22.x, 1.8.23.x before 1.8.23.1, and 11.x before 11.5.1 and Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2 allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an ACK with SDP to a previously terminated channel. NOTE: some of these details are obtained from third party information.

INFO

Published Date :

Sept. 9, 2013, 5:55 p.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2013-5641 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 Digium asterisk
2 Digium certified_asterisk
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 2.0 MEDIUM [email protected]
Solution
This vulnerability allows remote attackers to cause a denial of service. Updating to a patched version addresses the issue.
  • Upgrade to Asterisk 1.8.23.1, 11.5.1, or later versions.
  • Update the Asterisk packages.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2013-5641 is associated with the following CWEs:

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-2013-5641 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2013-5641 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.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://archives.neohapsis.com/archives/bugtraq/2013-08/0175.html
    Added Reference http://downloads.asterisk.org/pub/security/AST-2013-004.html
    Added Reference http://osvdb.org/96691
    Added Reference http://seclists.org/bugtraq/2013/Aug/185
    Added Reference http://secunia.com/advisories/54534
    Added Reference http://secunia.com/advisories/54617
    Added Reference http://www.debian.org/security/2013/dsa-2749
    Added Reference http://www.mandriva.com/security/advisories?name=MDVSA-2013:223
    Added Reference http://www.securityfocus.com/bid/62021
    Added Reference http://www.securitytracker.com/id/1028956
    Added Reference https://issues.asterisk.org/jira/browse/ASTERISK-21064
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Sep. 08, 2013

    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.
Vulnerability Scoring Details
Base CVSS Score: 5
Access Vector
Access Complexity
Authentication
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

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

2.91 }} -1.19%

score

0.85840

percentile