Apple macOS up to 10.14.0 Ruby improper authentication

CVSS Meta Temp Score
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CTI Interest Score
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7.9$0-$5k0.00

Summaryinfo

A vulnerability was found in Apple macOS up to 10.14.0. It has been classified as critical. This vulnerability affects unknown code of the component Ruby. Performing a manipulation results in improper authentication. This vulnerability is reported as CVE-2017-10784. The attack is possible to be carried out remotely. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apple macOS up to 10.14.0 (Operating System). This affects an unknown code block of the component Ruby. The manipulation 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 bug was discovered 09/15/2015. The weakness was disclosed 10/29/2018 as HT209193 as confirmed advisory (Website). It is possible to read the advisory at support.apple.com. This vulnerability is uniquely identified as CVE-2017-10784 since 07/01/2017. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The advisory points out:

Multiple issues in Ruby were addressed in this update.

The vulnerability was handled as a non-public zero-day exploit for at least 735 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 107270 (CentOS 7 : ruby (CESA-2018:0378)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176210 (Debian Security Update for ruby2.3 (DSA 4031-1)).

Upgrading to version 10.14.1 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 (107270), SecurityFocus (BID 100853†) and CERT Bund (WID-SEC-2026-1423). The entries VDB-106032, VDB-106843, VDB-107761 and VDB-126271 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Affected

  • Open Source CentOS
  • Debian Linux
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Open Source Ruby

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

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

NVD Base Score: 8.8
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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Nessus ID: 107270
Nessus Name: CentOS 7 : ruby (CESA-2018:0378)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703868
OpenVAS Name: Fedora Update for ruby FEDORA-2017-6e6f4f95e6
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: macOS 10.14.1

Timelineinfo

09/15/2015 🔍
07/01/2017 +655 days 🔍
09/14/2017 +75 days 🔍
09/19/2017 +5 days 🔍
03/12/2018 +174 days 🔍
10/29/2018 +231 days 🔍
10/29/2018 +0 days 🔍
10/31/2018 +1 days 🔍
05/10/2026 +2748 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: HT209193
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-10784 (🔍)
GCVE (CVE): GCVE-0-2017-10784
GCVE (VulDB): GCVE-100-126327

OVAL: 🔍

SecurityFocus: 100853 - Ruby CVE-2017-10784 Security Bypass Vulnerability
SecurityTracker: 1039363
CERT Bund: WID-SEC-2026-1423 - Ruby: Mehrere Schwachstellen

scip Labs: https://www.scip.ch/en/?labs.20180712
See also: 🔍

Entryinfo

Created: 10/31/2018 11:51
Updated: 05/10/2026 07:53
Changes: 10/31/2018 11:51 (69), 04/09/2020 09:41 (16), 06/03/2023 16:44 (5), 05/10/2026 07:53 (22)
Complete: 🔍
Cache ID: 216::103

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

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