Infradead OpenConnect up to 2.22 Certificates input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability was found in Infradead OpenConnect 1.00/1.10/1.20/1.30/2.22 and classified as critical. This affects an unknown function of the component Certificates. Such manipulation leads to input validation. This vulnerability is uniquely identified as CVE-2010-3901. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Infradead OpenConnect 1.00/1.10/1.20/1.30/2.22. It has been rated as critical. Affected by this issue is an unknown code of the component Certificates. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, and integrity. CVE summarizes:

OpenConnect before 2.25 does not properly validate X.509 certificates, which allows man-in-the-middle attackers to spoof arbitrary AnyConnect SSL VPN servers via a crafted server certificate that (1) does not correspond to the server hostname or (2) is presented in circumstances involving a missing --cafile configuration option.

The weakness was disclosed 10/14/2010 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2010-3901 since 10/12/2010. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The commercial vulnerability scanner Qualys is able to test this issue with plugin 118720 (Fedora Update for OpenConnect (FEDORA-2010-12257)).

Upgrading to version 1.10 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (60822), SecurityFocus (BID 42094†) and Vulnerability Center (SBV-28151†). The entries VDB-55054 and VDB-55046 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: OpenConnect 1.10

Timelineinfo

07/30/2010 🔍
07/30/2010 +0 days 🔍
10/12/2010 +74 days 🔍
10/14/2010 +2 days 🔍
10/14/2010 +0 days 🔍
11/14/2010 +31 days 🔍
03/19/2015 +1586 days 🔍
01/20/2025 +3595 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3901 (🔍)
GCVE (CVE): GCVE-0-2010-3901
GCVE (VulDB): GCVE-100-55052
X-Force: 60822
SecurityFocus: 42094 - OpenConnect SSL Hostname Verification Security Bypass Vulnerability
Vulnerability Center: 28151 - OpenConnect before 2.25 Remote AnyConnect SSL VPN Servers Spoofing Vulnerability, Medium

See also: 🔍

Entryinfo

Created: 03/19/2015 14:37
Updated: 01/20/2025 11:29
Changes: 03/19/2015 14:37 (51), 03/09/2017 08:07 (10), 01/20/2025 11:29 (20)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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