Executive Summary

Summary
Title PCRE2: Denial of service
Informations
Name GLSA-202006-16 First vendor Publication 2020-06-15
Vendor Gentoo Last vendor Modification 2020-06-15
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 7.5
Base Score 7.5 Environmental Score 7.5
impact SubScore 3.6 Temporal Score 7.5
Exploitabality Sub Score 3.9
 
Attack Vector Network Attack Complexity Low
Privileges Required None User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:L/Au:N/C:N/I:N/A:P)
Cvss Base Score 5 Attack Range Network
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 10 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

Synopsis

A vulnerability in PCRE2 could lead to a Denial of Service condition.

Background

PCRE2 is a project based on PCRE (Perl Compatible Regular Expressions)
which has a new and revised API.

Description

PCRE2 has a flaw when handling JIT-compiled regex using the \X pattern.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All PCRE2 users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-libs/pcre2-10.34"

References

[ 1 ] CVE-2019-20454 : https://nvd.nist.gov/vuln/detail/CVE-2019-20454

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/202006-16

Original Source

Url : http://security.gentoo.org/glsa/glsa-202006-16.xml

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-125 Out-of-bounds Read

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Application 2
Os 1

Alert History

If you want to see full details history, please login or register.
0
Date Informations
2024-11-12 10:36:44
  • First insertion