CVE-2018-18314

perl: Heap-based buffer overflow in S_regatom()

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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

Perl, en versiones anteriores a la 5.26.3, tiene un desbordamiento de búfer mediante una expresión regular manipulada que desencadena operaciones inválidas de escritura.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2018-10-14 CVE Reserved
2018-11-30 CVE Published
2024-04-29 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-122: Heap-based Buffer Overflow

CAPEC

References (15)

URL	Tag	Source
http://www.securityfocus.com/bid/106145	Third Party Advisory
http://www.securitytracker.com/id/1042181	Third Party Advisory
https://metacpan.org/changes/release/SHAY/perl-5.26.3	Third Party Advisory
https://www.oracle.com/security-alerts/cpujul2020.html	X_refsource_misc

URL	Date	SRC
https://rt.perl.org/Ticket/Display.html?id=131649	2024-08-05

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1646751	2019-01-02
https://github.com/Perl/perl5/commit/19a498a461d7c81ae3507c450953d1148efecf4f	2023-11-07
https://security.netapp.com/advisory/ntap-20190221-0003	2023-11-07

URL	Date	SRC
https://access.redhat.com/errata/RHSA-2019:0001	2023-11-07
https://access.redhat.com/errata/RHSA-2019:0010	2023-11-07
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWQGEB543QN7SSBRKYJM6PSOC3RLYGSM	2023-11-07
https://security.gentoo.org/glsa/201909-01	2023-11-07
https://usn.ubuntu.com/3834-1	2023-11-07
https://www.debian.org/security/2018/dsa-4347	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-18314	2019-01-02

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Perl Search vendor "Perl"		Perl Search vendor "Perl" for product "Perl"				< 5.26.3 Search vendor "Perl" for product "Perl" and version " < 5.26.3"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Netapp Search vendor "Netapp"		E-series Santricity Os Controller Search vendor "Netapp" for product "E-series Santricity Os Controller"				>= 11.0 <= 11.40 Search vendor "Netapp" for product "E-series Santricity Os Controller" and version " >= 11.0 <= 11.40"		-		Affected
Netapp Search vendor "Netapp"		Snap Creator Framework Search vendor "Netapp" for product "Snap Creator Framework"				-		-		Affected
Netapp Search vendor "Netapp"		Snapcenter Search vendor "Netapp" for product "Snapcenter"				-		-		Affected
Netapp Search vendor "Netapp"		Snapdrive Search vendor "Netapp" for product "Snapdrive"				-		unix		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				6.0 Search vendor "Redhat" for product "Enterprise Linux" and version "6.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.0 Search vendor "Redhat" for product "Enterprise Linux" and version "7.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.4 Search vendor "Redhat" for product "Enterprise Linux" and version "7.4"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.5 Search vendor "Redhat" for product "Enterprise Linux" and version "7.5"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				7.6 Search vendor "Redhat" for product "Enterprise Linux" and version "7.6"		-		Affected