cURL/libcURL up to 7.53.1 TLS Session certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in cURL and libcURL up to 7.53.1. This issue affects some unknown processing of the component TLS Session Handler. This manipulation causes certificate validation. This vulnerability appears as CVE-2017-7468. The attack may be initiated remotely. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in cURL and libcURL up to 7.53.1 (Network Utility Software). Affected by this vulnerability is an unknown functionality of the component TLS Session Handler. The manipulation with an unknown input leads to a certificate validation vulnerability. The CWE definition for the vulnerability is CWE-295. The product does not validate, or incorrectly validates, a certificate. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 04/19/2017. The weakness was presented 04/19/2017 (Website). It is possible to read the advisory at curl.haxx.se. This vulnerability is known as CVE-2017-7468 since 04/05/2017. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 103282 (GLSA-201709-14 : cURL: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196758 (Ubuntu Security Notification for Curl Vulnerability (USN-3262-1)).

Upgrading to version 7.54.0 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (103282), SecurityFocus (BID 97962†) and SecurityTracker (ID 1038341†). See VDB-104239 for similar entry. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.8
CNA Vector (Red Hat, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / 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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Nessus ID: 103282
Nessus Name: GLSA-201709-14 : cURL: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 801105
OpenVAS Name: Apple Mac OS X Multiple Vulnerabilities-HT207922
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 7.54.0

Timelineinfo

04/05/2017 🔍
04/19/2017 +14 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/19/2017 +0 days 🔍
04/21/2017 +2 days 🔍
04/21/2017 +0 days 🔍
09/18/2017 +150 days 🔍
07/16/2018 +301 days 🔍
08/24/2024 +2231 days 🔍

Sourcesinfo

Advisory: curl.haxx.se
Researcher: [email protected].
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7468 (🔍)
GCVE (CVE): GCVE-0-2017-7468
GCVE (VulDB): GCVE-100-100423
SecurityFocus: 97962 - cURL/libcURL CVE-2017-7468 Remote Security Bypass Vulnerability
OSVDB: - CVE-2017-7468 - curl and libcurl - Authentication Bypass Issue
SecurityTracker: 1038341

See also: 🔍

Entryinfo

Created: 04/21/2017 11:23
Updated: 08/24/2024 02:08
Changes: 04/21/2017 11:23 (65), 09/19/2020 10:39 (15), 12/21/2020 12:07 (3), 12/21/2020 12:13 (1), 12/21/2020 12:17 (1), 12/01/2022 17:01 (12), 08/24/2024 02:08 (16)
Complete: 🔍
Cache ID: 216:7ED:103

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

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