CVE-2018-18313

perl: Heap-based buffer read overflow in S_grok_bslash_N()

Severity Score

9.1

*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 over-read via a crafted regular expression that triggers disclosure of sensitive information from process memory.

Perl, en versiones anteriores a la 5.26.3, tiene una sobrelectura de búfer mediante una expresión regular manipulada que desencadena la divulgación de información sensible de la memoria del proceso.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

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-125: Out-of-bounds Read

CAPEC

References (18)

URL	Tag	Source
http://seclists.org/fulldisclosure/2019/Mar/49	Mailing List
http://www.securitytracker.com/id/1042181	Third Party Advisory
https://metacpan.org/changes/release/SHAY/perl-5.26.3	Third Party Advisory
https://seclists.org/bugtraq/2019/Mar/42	Mailing List
https://security.netapp.com/advisory/ntap-20190221-0003	Third Party Advisory
https://support.apple.com/kb/HT209600	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=133192	2024-08-05

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=1646738	2019-01-02
https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62	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://usn.ubuntu.com/3834-2	2023-11-07
https://www.debian.org/security/2018/dsa-4347	2023-11-07
https://access.redhat.com/security/cve/CVE-2018-18313	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"				12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04"		esm		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
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
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
Apple Search vendor "Apple"		Mac Os X Search vendor "Apple" for product "Mac Os X"				< 10.14.4 Search vendor "Apple" for product "Mac Os X" and version " < 10.14.4"		-		Affected