Vulnerability Details : CVE-2018-18312

Perl before 5.26.3 and 5.28.0 before 5.28.1 has a buffer overflow via a crafted regular expression that triggers invalid write operations.

Vulnerability category: Overflow

Published 2018-12-05 22:29:00

Updated 2020-07-15 03:15:34

Source MITRE

View at NVD, CVE.org

Exploit prediction scoring system (EPSS) score for CVE-2018-18312

Probability of exploitation activity in the next 30 days: 2.83%

Percentile, the proportion of vulnerabilities that are scored at or less: ~ 90 % EPSS Score History EPSS FAQ

CVSS scores for CVE-2018-18312

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	nvd@nist.gov
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	nvd@nist.gov
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2018-18312

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2018-18312

https://rt.perl.org/Public/Bug/Display.html?id=133423

Bug #133423 for perl5: [CVE-2018-18312] regcomp: heap-buffer-overflow write / reg_node overrun (perl-5.28.0, 5.26.2)
Exploit;Patch;Third Party Advisory
https://usn.ubuntu.com/3834-1/

USN-3834-1: Perl vulnerabilities | Ubuntu security notices
Third Party Advisory

CVEs referencing this url
https://bugzilla.redhat.com/show_bug.cgi?id=1646734

1646734 – (CVE-2018-18312) CVE-2018-18312 perl: Heap-based buffer overflow in S_handle_regex_sets()
Issue Tracking;Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0001

RHSA-2019:0001 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
https://www.oracle.com/security-alerts/cpujul2020.html

Oracle Critical Patch Update Advisory - July 2020

CVEs referencing this url
http://www.securitytracker.com/id/1042181

Perl Function Integer/Heap Overflows Let Local Users Obtain Potentially Sensitive Information or Remote Users Execute Arbitrary Code in Certain Cases - SecurityTracker
Third Party Advisory;VDB Entry

CVEs referencing this url
https://security.gentoo.org/glsa/201909-01

Perl: Multiple vulnerabilities (GLSA 201909-01) — Gentoo security

CVEs referencing this url
https://metacpan.org/changes/release/SHAY/perl-5.28.1

perldelta - what is new for perl v5.28.1 - metacpan.org
Third Party Advisory

CVEs referencing this url
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM/

[SECURITY] Fedora 29 Update: perl-5.28.1-425.fc29 - package-announce - Fedora Mailing-Lists
Product;Release Notes

CVEs referencing this url
https://www.debian.org/security/2018/dsa-4347

Debian -- Security Information -- DSA-4347-1 perl
Third Party Advisory

CVEs referencing this url
https://security.netapp.com/advisory/ntap-20190221-0003/

December 2018 PERL Vulnerabilities in NetApp Products | NetApp Product Security
Third Party Advisory

CVEs referencing this url
https://metacpan.org/changes/release/SHAY/perl-5.26.3

perldelta - what is new for perl v5.26.3 - metacpan.org
Third Party Advisory

CVEs referencing this url
https://access.redhat.com/errata/RHSA-2019:0010

RHSA-2019:0010 - Security Advisory - Red Hat Customer Portal
Third Party Advisory

CVEs referencing this url
http://www.securityfocus.com/bid/106179

Perl CVE-2018-18312 Heap Buffer Overflow Vulnerability
Third Party Advisory;VDB Entry

Products affected by CVE-2018-18312

Debian » Debian Linux » Version: 9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 6.0
cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 7.0
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 7.4
cpe:2.3:o:redhat:enterprise_linux:7.4:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 7.5
cpe:2.3:o:redhat:enterprise_linux:7.5:*:*:*:*:*:*:*
Matching versions
Redhat » Enterprise Linux » Version: 7.6
cpe:2.3:o:redhat:enterprise_linux:7.6:*:*:*:*:*:*:*
Matching versions
Perl » Perl
Versions from including (>=) 5.28.0 and before (<) 5.28.1
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
Matching versions
Perl » Perl
Versions before (<) 5.26.3
cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 14.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 16.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.04 LTS Edition
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
Matching versions
Canonical » Ubuntu Linux » Version: 18.10
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
Matching versions
Netapp » Snap Creator Framework » Version: N/A
cpe:2.3:a:netapp:snap_creator_framework:-:*:*:*:*:*:*:*
Matching versions
Netapp » Snapdrive » Version: N/A For Unix
cpe:2.3:a:netapp:snapdrive:-:*:*:*:*:unix:*:*
Matching versions
Netapp » Snapcenter » Version: N/A
cpe:2.3:a:netapp:snapcenter:-:*:*:*:*:*:*:*
Matching versions
Netapp » E-series Santricity Os Controller
Versions from including (>=) 11.0 and up to, including, (<=) 11.40
cpe:2.3:a:netapp:e-series_santricity_os_controller:*:*:*:*:*:*:*:*
Matching versions