Infradead OpenConnect up to 4.07 http.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability classified as critical has been found in Infradead OpenConnect. Affected is an unknown function of the file http.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

Multiple stack-based buffer overflows in http.c in OpenConnect before 4.08 allow remote VPN gateways to cause a denial of service (application crash) via a long (1) hostname, (2) path, or (3) cookie list in a response.

The weakness was published 02/24/2013 (Website). The advisory is available at This vulnerability is traded as CVE-2012-6128 since 12/06/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 75002 (openSUSE Security Update : openconnect (openSUSE-SU-2013:0979-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks.

Upgrading to version 3.01 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (82058), Tenable (75002), SecurityFocus (BID 57884†) and Vulnerability Center (SBV-38619†). Similar entries are available at VDB-38069, VDB-40601, VDB-40602 and VDB-49549.





CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
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Class: Memory corruption
CWE: CWE-119

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 75002
Nessus Name: openSUSE Security Update : openconnect (openSUSE-SU-2013:0979-1)
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OpenVAS ID: 892623
OpenVAS Name: Debian Security Advisory DSA 2623-1 (openconnect - buffer overflow
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Threat Intelligenceinfo

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Recommended: Upgrade
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Upgrade: OpenConnect 3.01


10/28/2012 🔍
10/28/2012 +0 days 🔍
12/06/2012 +39 days 🔍
02/24/2013 +80 days 🔍
02/24/2013 +0 days 🔍
03/04/2013 +8 days 🔍
06/13/2014 +466 days 🔍
03/24/2015 +284 days 🔍
12/29/2021 +2472 days 🔍


Advisory: dsa-2623
Status: Not defined
Confirmation: 🔍

CVE: CVE-2012-6128 (🔍)

X-Force: 82058
SecurityFocus: 57884 - OpenConnect VPN Gateway Stack Based Buffer Overflow Vulnerability
Vulnerability Center: 38619 - OpenConnect Multiple Stack-Based Buffer Overflows Allow Remote DoS via a Crafted Response, Medium

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Created: 03/24/2015 12:22 PM
Updated: 12/29/2021 02:11 PM
Changes: 03/24/2015 12:22 PM (65), 04/25/2017 11:28 AM (6), 12/29/2021 01:57 PM (3), 12/29/2021 02:04 PM (1), 12/29/2021 02:11 PM (1)
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Cache ID: 3:572:40


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