Oniguruma up to 6.2.0 Regular Expression match_at out-of-bounds

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Oniguruma up to 6.2.0. This issue affects the function match_at of the component Regular Expression. The manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2017-9224. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Oniguruma up to 6.2.0. Affected is the function match_at of the component Regular Expression. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Oniguruma 6.2.0, as used in Oniguruma-mod in Ruby through 2.4.1 and mbstring in PHP through 7.1.5. A stack out-of-bounds read occurs in match_at() during regular expression searching. A logical error involving order of validation and access in match_at() could result in an out-of-bounds read from a stack buffer.

The bug was discovered 05/24/2017. The weakness was shared 05/24/2017 (GitHub Repository). The advisory is available at github.com. This vulnerability is traded as CVE-2017-9224 since 05/24/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 100478 (Debian DLA-958-1 : libonig security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276695 (Fedora Security Update for oniguruma (FEDORA-2017-60997f0d14)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 days after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100478) and SecurityFocus (BID 101244†). The entries VDB-101755, VDB-101756, VDB-101757 and VDB-101758 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

  • Oniguruma up to 6.2.0
  • Oniguruma-mod in Ruby up to 2.4.1
  • PHP up to 7.1.5

Productinfo

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.1

VulDB Base Score: 7.3
VulDB Temp Score: 6.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 100478
Nessus Name: Debian DLA-958-1 : libonig security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for oniguruma FEDORA-2017-e2d6d0067f
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: 🔍

Patch: github.com

Timelineinfo

05/22/2017 🔍
05/24/2017 +2 days 🔍
05/24/2017 +0 days 🔍
05/24/2017 +0 days 🔍
05/24/2017 +0 days 🔍
05/25/2017 +1 days 🔍
05/28/2017 +3 days 🔍
05/30/2017 +2 days 🔍
12/07/2022 +2017 days 🔍

Sourcesinfo

Advisory: RHSA-2018:1296
Researcher: lxxxxfdh
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9224 (🔍)
GCVE (CVE): GCVE-0-2017-9224
GCVE (VulDB): GCVE-100-101754
SecurityFocus: 101244 - Oniguruma Multiple Memory Corruption Vulnerabilities
OSVDB: - CVE-2017-9224 - Oniguruma - Out-of-Bounds Read Issue

See also: 🔍

Entryinfo

Created: 05/25/2017 09:49
Updated: 12/07/2022 11:05
Changes: 05/25/2017 09:49 (74), 10/02/2020 18:52 (8), 12/25/2020 15:18 (3), 12/07/2022 11:05 (4)
Complete: 🔍
Cache ID: 216:29D:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you want to use VulDB in your project?

Use the official API to access entries easily!