Ruby up to 0.10.0.0/0.10.1/0.11.0/0.12.0 URI redos

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Ruby up to 0.10.0.0/0.10.1/0.11.0/0.12.0. It has been rated as problematic. The affected element is an unknown function of the component URI. Performing a manipulation results in redos. This vulnerability is reported as CVE-2023-28755. No exploit exists. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Ruby up to 0.10.0.0/0.10.1/0.11.0/0.12.0 (Programming Language Software). It has been classified as problematic. This affects an unknown function of the component URI. The manipulation with an unknown input leads to a redos vulnerability. CWE is classifying the issue as CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. This is going to have an impact on availability. The summary by CVE is:

A ReDoS issue was discovered in the URI component through 0.12.0 in Ruby through 3.2.1. The URI parser mishandles invalid URLs that have specific characters. It causes an increase in execution time for parsing strings to URI objects. The fixed versions are 0.12.1, 0.11.1, 0.10.2 and 0.10.0.1.

The weakness was disclosed 03/31/2023. The advisory is shared at ruby-lang.org. This vulnerability is uniquely identified as CVE-2023-28755 since 03/23/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1449.003 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 215030 (Amazon Linux 2023 : ruby3.2, ruby3.2-bundled-gems, ruby3.2-default-gems (ALAS2023-2025-839)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 0.10.0.1, 0.10.2, 0.11.1 or 0.12.1 eliminates this vulnerability. The upgrade is hosted for download at github.com.

The vulnerability is also documented in the databases at Tenable (215030), EUVD (EUVD-2023-1038) and CERT Bund (WID-SEC-2023-0814). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Affected

  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Fedora Linux
  • Ubuntu Linux
  • SUSE Linux
  • Oracle Linux
  • Gentoo Linux
  • Open Source Ruby
  • SUSE openSUSE
  • RESF Rocky Linux

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.3

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Redos
CWE: CWE-1333 / CWE-400 / CWE-404
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: 215030
Nessus Name: Amazon Linux 2023 : ruby3.2, ruby3.2-bundled-gems, ruby3.2-default-gems (ALAS2023-2025-839)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Ruby 0.10.0.1/0.10.2/0.11.1/0.12.1

Timelineinfo

03/23/2023 🔍
03/31/2023 +7 days 🔍
03/31/2023 +0 days 🔍
09/04/2025 +888 days 🔍

Sourcesinfo

Advisory: FEDORA-2023-6b924d3b75
Status: Confirmed

CVE: CVE-2023-28755 (🔍)
GCVE (CVE): GCVE-0-2023-28755
GCVE (VulDB): GCVE-100-224637
EUVD: 🔍
CERT Bund: WID-SEC-2023-0814 - Ruby: Mehrere Schwachstellen ermöglichen Denial of Service

Entryinfo

Created: 03/31/2023 08:56
Updated: 09/04/2025 12:37
Changes: 03/31/2023 08:56 (40), 04/20/2023 17:02 (1), 04/20/2023 17:09 (11), 02/06/2025 04:25 (17), 02/15/2025 02:09 (4), 07/06/2025 17:06 (1), 09/04/2025 12:37 (7)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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