VDB-93260 · CVE-2016-8624 · BID 94103

cURL/libcURL up to 7.50.3 Host Name input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.7$0-$5k0.00

A vulnerability, which was classified as critical, has been found in cURL and libcURL up to 7.50.3 (Network Utility Software). Affected by this issue is some unknown processing of the component Host Name Handler. The manipulation with the input value # 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, integrity, and availability.

The weakness was published 11/03/2016 by Fernando Munoz as 7.50.3 vulnerabilities as confirmed advisory (Website). The advisory is shared for download at curl.haxx.se. This vulnerability is handled as CVE-2016-8624 since 10/12/2016. The exploitation is known to be easy. The attack needs to be approached locally. Required for exploitation is a simple authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 94572 (SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157987 (Oracle Enterprise Linux Security Update for curl (ELSA-2019-4652)).

Upgrading to version 7.51.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (94572). Similar entries are available at 90449, 91385, 91680 and 91681.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.8
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 5.3
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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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
ATT&CK: Unknown

Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 94572
Nessus Name: SUSE SLES11 Security Update : curl (SUSE-SU-2016:2714-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-01 February-2017
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: cURL/libcURL 7.51.0

Timelineinfo

10/12/2016 🔍
11/02/2016 +21 days 🔍
11/03/2016 +1 days 🔍
11/03/2016 +0 days 🔍
11/03/2016 +0 days 🔍
11/04/2016 +1 days 🔍
11/04/2016 +0 days 🔍
07/31/2018 +634 days 🔍
09/29/2022 +1521 days 🔍

Sourcesinfo

Advisory: 7.50.3 vulnerabilities
Researcher: Fernando Munoz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-8624 (🔍)
OVAL: 🔍

SecurityTracker: 1037192
SecurityFocus: 94103 - cURL/libcURL CVE-2016-8624 Remote Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 11/04/2016 09:53
Updated: 09/29/2022 12:20
Changes: 11/04/2016 09:53 (60), 05/23/2019 18:45 (26), 09/29/2022 12:11 (3), 09/29/2022 12:20 (12)
Complete: 🔍

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