National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2017-12883 Detail

Current Description

Buffer overflow in the S_grok_bslash_N function in regcomp.c in Perl 5 before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 allows remote attackers to disclose sensitive information or cause a denial of service (application crash) via a crafted regular expression with an invalid '\N{U+...}' escape.

Source:  MITRE      Last Modified:  10/03/2017      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2017-12883
Original release date:
09/19/2017
Last revised:
11/04/2017
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
9.1 Critical
Vector:
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H (legend)
Impact Score:
5.2
Exploitability Score:
3.9
CVSS Version 3 Metrics:
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
High
CVSS Severity (version 2.0):
CVSS v2 Base Score:
6.4 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:P/I:N/A:P) (legend)
Impact Subscore:
4.9
Exploitability Subscore:
10.0
CVSS Version 2 Metrics:
Access Vector:
Network exploitable
Access Complexity:
Low
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized disclosure of information; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch Patch; Third Party Advisory External Source CONFIRM http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch
http://www.debian.org/security/2017/dsa-3982 External Source DEBIAN DSA-3982
http://www.securityfocus.com/bid/100852 Third Party Advisory; VDB Entry External Source BID 100852
https://bugzilla.redhat.com/show_bug.cgi?id=1492093 Issue Tracking; Patch; Third Party Advisory; VDB Entry External Source CONFIRM https://bugzilla.redhat.com/show_bug.cgi?id=1492093
https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 Patch; Vendor Advisory External Source CONFIRM https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 Release Notes; Vendor Advisory External Source CONFIRM https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 Release Notes; Vendor Advisory External Source CONFIRM https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1
https://rt.perl.org/Public/Bug/Display.html?id=131598 External Source CONFIRM https://rt.perl.org/Public/Bug/Display.html?id=131598

Technical Details

Vulnerability Type (View All)

Change History 4 change records found - show changes