nefarious2 Certificate Fingerprint ircd/m_authenticate.c m_authenticate Authenticate improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability was found in nefarious2. It has been classified as critical. The impacted element is the function m_authenticate of the file ircd/m_authenticate.c of the component Certificate Fingerprint Handler. Performing a manipulation of the argument Authenticate results in improper authentication. This vulnerability is cataloged as CVE-2016-7145. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in nefarious2 (unknown version). This affects the function m_authenticate of the file ircd/m_authenticate.c of the component Certificate Fingerprint Handler. The manipulation of the argument AUTHENTICATE with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The m_authenticate function in ircd/m_authenticate.c in nefarious2 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE parameter.

The bug was discovered 01/18/2017. The weakness was shared 03/07/2017 (oss-sec). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2016-7145 since 09/05/2016. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 48 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Improper authentication
CWE: CWE-287
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/05/2016 🔍
01/18/2017 +135 days 🔍
03/07/2017 +48 days 🔍
03/07/2017 +0 days 🔍
03/07/2017 +0 days 🔍
09/04/2020 +1277 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7145 (🔍)
GCVE (CVE): GCVE-0-2016-7145
GCVE (VulDB): GCVE-100-97599
OSVDB: - CVE-2016-7145 - Nefarious 2 - Spoofing Issue

Entryinfo

Created: 03/07/2017 21:56
Updated: 09/04/2020 14:24
Changes: 03/07/2017 21:56 (58), 09/04/2020 14:24 (3)
Complete: 🔍
Cache ID: 216::103

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