Openswan 2.6.26/2.6.27/2.6.28 code injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in Openswan 2.6.26/2.6.27/2.6.28 and classified as critical. This issue affects an unknown code. The manipulation with an unknown input leads to a code injection vulnerability. Using CWE to declare the problem leads to CWE-94. The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in programs/pluto/xauth.c in the client in Openswan 2.6.26 through 2.6.28 might allow remote authenticated gateways to execute arbitrary code or cause a denial of service via a long cisco_banner (aka server_banner) field.

The weakness was published 10/05/2010 by Paul (Website). The advisory is shared at The identification of this vulnerability is CVE-2010-3308. The exploitation is known to be easy. The attack may be initiated remotely. A simple authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 49783 (Fedora 14 : openswan-2.6.29-1.fc14 (2010-15381)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155495 (Oracle Enterprise Linux Update for Openswan (ELSA-2010-0892)).

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 vulnerability database at Tenable (49783).




CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔍
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VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.3

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
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VulDB Base Score: 🔍
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Class: Code injection
CWE: CWE-94 / CWE-74 / CWE-707

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Current Price Estimation: 🔍


Nessus ID: 49783
Nessus Name: Fedora 14 : openswan-2.6.29-1.fc14 (2010-15381)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍

OpenVAS ID: 862665
OpenVAS Name: Fedora Update for openswan FEDORA-2010-15381
OpenVAS File: 🔍
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Threat Intelligenceinfo

Interest: 🔍
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Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


09/13/2010 🔍
09/29/2010 +16 days 🔍
09/29/2010 +0 days 🔍
10/05/2010 +6 days 🔍
10/05/2010 +0 days 🔍
10/11/2010 +6 days 🔍
03/19/2015 +1620 days 🔍
09/26/2021 +2383 days 🔍


Advisory: RHSA-2010:0892
Researcher: Paul
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-3308 (🔍)

Vulnerability Center: 27550 - Openswan 2.6.26 through 2.6.28 Arbitrary Code Execution or DoS Vulnerability, Medium
SecurityFocus: 43588 - Openswan 'XAUTH' Remote Buffer Overflow and Command Injection Vulnerabilities
Secunia: 41769


Created: 03/19/2015 02:37 PM
Updated: 09/26/2021 07:40 AM
Changes: 03/19/2015 02:37 PM (56), 03/07/2017 09:43 AM (10), 09/26/2021 07:35 AM (6), 09/26/2021 07:40 AM (1)
Complete: 🔍
Cache ID: 3:E7F:40


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