strongSwan 5.0.2/5.0.3/5.0.4/5.1.0 IKE daemon charon null pointer dereference

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

Summaryinfo

A vulnerability classified as problematic was found in strongSwan 5.0.2/5.0.3/5.0.4/5.1.0. This affects an unknown function of the component IKE daemon charon. Executing a manipulation can lead to null pointer dereference. The identification of this vulnerability is CVE-2013-6076. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in strongSwan 5.0.2/5.0.3/5.0.4/5.1.0 (Network Encryption Software) and classified as critical. This vulnerability affects an unknown function of the component IKE daemon charon. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability. CVE summarizes:

strongSwan 5.0.2 through 5.1.0 allows remote attackers to cause a denial of service (NULL pointer dereference and charon daemon crash) via a crafted IKEv1 fragmentation packet.

The weakness was shared 11/01/2013 by Volker Rümelin as strongSwan Denial-of-Service Vulnerability as confirmed advisory (Website). The advisory is available at strongswan.org. The vendor cooperated in the coordination of the public release. This vulnerability was named CVE-2013-6076 since 10/11/2013. The exploitation appears to be easy. 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.

The vulnerability scanner Nessus provides a plugin with the ID 72120 (Fedora 20 : strongswan-5.1.1-4.fc20 (2014-0516)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks.

Upgrading to version 5.1.1 eliminates this vulnerability. The upgrade is hosted for download at strongswan.org. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (72120), SecurityFocus (BID 63540†), OSVDB (99261†), Secunia (SA55549†) and Vulnerability Center (SBV-42233†). Additional details are provided at strongswan.org. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 72120
Nessus Name: Fedora 20 : strongswan-5.1.1-4.fc20 (2014-0516)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 867358
OpenVAS Name: Fedora Update for strongswan FEDORA-2014-0516
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: strongSwan 5.1.1

Timelineinfo

10/11/2013 🔍
11/01/2013 +20 days 🔍
11/01/2013 +0 days 🔍
11/01/2013 +0 days 🔍
11/01/2013 +0 days 🔍
11/02/2013 +1 days 🔍
11/05/2013 +3 days 🔍
11/11/2013 +6 days 🔍
06/01/2021 +2759 days 🔍

Sourcesinfo

Advisory: strongSwan Denial-of-Service Vulnerability
Researcher: Volker Rümelin
Status: Confirmed
Confirmation: 🔍
Coordinated: 🔍

CVE: CVE-2013-6076 (🔍)
GCVE (CVE): GCVE-0-2013-6076
GCVE (VulDB): GCVE-100-11074
SecurityFocus: 63540
Secunia: 55549 - strongSwan charon IKE Daemon Two Vulnerabilities, Moderately Critical
OSVDB: 99261
Vulnerability Center: 42233 - strongSwan 5.0.2 - 5.1.0 Remote DoS Vulnerability via a Crafted IKEv1 Fragmentation Packet, Medium

Misc.: 🔍

Entryinfo

Created: 11/05/2013 09:22
Updated: 06/01/2021 16:58
Changes: 11/05/2013 09:22 (75), 05/15/2017 11:12 (2), 06/01/2021 16:50 (4), 06/01/2021 16:58 (1)
Complete: 🔍
Committer:
Cache ID: 216::103

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