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

Impact

CVSS v3.0 Severity and Metrics:

Base Score: 9.1 CRITICAL
Vector: AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H (V3 legend)
Impact Score: 5.2
Exploitability Score: 3.9


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 v2.0 Severity and Metrics:

Base Score: 6.4 MEDIUM
Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P) (V2 legend)
Impact Subscore: 4.9
Exploitability Subscore: 10.0


Access Vector (AV): Network
Access Complexity (AC): Insufficient_Info
Authentication (AU): None
Confidentiality (C): Partial
Integrity (I): None
Availability (A): Partial
Additional Information:
Allows unauthorized disclosure of information
Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource
http://mirror.cucumberlinux.com/cucumber/cucumber-1.0/source/lang-base/perl/patches/CVE-2017-12883.patch Patch Third Party Advisory
http://www.debian.org/security/2017/dsa-3982
http://www.securityfocus.com/bid/100852 Third Party Advisory VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1492093 Issue Tracking Patch Third Party Advisory VDB Entry
https://perl5.git.perl.org/perl.git/commitdiff/2be4edede4ae226e2eebd4eff28cedd2041f300f#patch1 Patch Vendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.24.3-RC1 Release Notes Vendor Advisory
https://perl5.git.perl.org/perl.git/log/refs/tags/v5.26.1-RC1 Release Notes Vendor Advisory
https://rt.perl.org/Public/Bug/Display.html?id=131598
https://security.netapp.com/advisory/ntap-20180426-0001/

Technical Details

Vulnerability Type (View All)

Change History

5 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2017-12883
NVD Published Date:
09/19/2017
NVD Last Modified:
04/27/2018