RubyGems up to 3.0.2 API Response GemcutterUtilities#with_response Escape Sequence privilege escalation

A vulnerability has been found in RubyGems up to 3.0.2 (Programming Language Software) and classified as critical. Affected by this vulnerability is the function Gem::GemcutterUtilities#with_response of the component API Response Handler. The manipulation as part of a Escape Sequence leads to a privilege escalation vulnerability (Injection). The CWE definition for the vulnerability is CWE-269. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 03/05/2019. The weakness was disclosed 06/17/2019. This vulnerability is known as CVE-2019-8323 since 02/13/2019. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 06/18/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 104 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.

The entries 136599, 136598, 136596 and 136595 are pretty similar.

Type

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: ≈5.5
VulDB Temp Score: ≈5.5
VulDB Vector: 🔒
VulDB Reliability: 🔍

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation / Injection (CWE-269)
Local: Yes
Remote: No

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

Threat Intelligenceinfoedit

Threat: 🔍
Adversaries: 🔍
Geopolitics: 🔍
Economy: 🔍
Predictions: 🔍
Remediation: 🔍Recommended: no mitigation known

0-Day Time: 🔒

02/13/2019 CVE assigned
03/05/2019 +20 days Vulnerability found
06/17/2019 +104 days Advisory disclosed
06/18/2019 +1 days VulDB entry created
06/18/2019 +0 days VulDB last update
CVE: CVE-2019-8323 (🔒)
OSVDB: - RubyGems Gem::GemcutterUtilities#with_response function security bypass

See also: 🔒

Created: 06/18/2019 09:30 AM
Complete: 🔍

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