VDB-108715 · CVE-2017-15928 · Qualys 277680

Ox Gem 2.8.0 on Ruby parse_obj input validation

CVSS Meta Temp Score
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CTI Interest Score
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A vulnerability has been found in Ox Gem 2.8.0 on Ruby (Ruby Gem) and classified as problematic. Affected by this vulnerability is the function parse_obj. The manipulation with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

In the Ox gem 2.8.0 for Ruby, the process crashes with a segmentation fault when a crafted input is supplied to parse_obj. NOTE: the vendor has stated "Ox should handle the error more gracefully" but has not confirmed a security implication.

The bug was discovered 10/27/2017. The weakness was published 10/27/2017 (Website). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2017-15928 since 10/27/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 104595 (Fedora 26 : rubygem-ox (2017-379679442e)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277680 (Fedora Security Update for rubygem-ox (FEDORA-2017-4cb9489ce3)).

It is possible to mitigate the problem by applying the configuration setting . A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (104595).





CPE 2.3info

CPE 2.2info


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VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
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Class: Input validation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 104595
Nessus Name: Fedora 26 : rubygem-ox (2017-379679442e)
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OpenVAS ID: 703590
OpenVAS Name: Fedora Update for rubygem-ox FEDORA-2017-379679442e
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Recommended: Config
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10/27/2017 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/27/2017 +0 days 🔍
10/28/2017 +1 days 🔍
11/15/2017 +18 days 🔍
11/16/2017 +1 days 🔍
01/05/2023 +1876 days 🔍


Advisory: FEDORA-2017-379679442e
Status: Not defined

CVE: CVE-2017-15928 (🔍)


Created: 10/28/2017 10:31 AM
Updated: 01/05/2023 09:00 AM
Changes: 10/28/2017 10:31 AM (72), 12/01/2019 01:57 PM (2), 01/05/2023 08:57 AM (4), 01/05/2023 09:00 AM (1)
Complete: 🔍


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