PT-2018-2512 · Perl+3 · Perl+3

Published 2018-05-11 · Updated 2020-07-15 · CVE-2018-18313

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions Perl versions prior to 5.26.3

Description The issue is related to errors in processing regular expressions, which can lead to a buffer over-read, allowing an attacker to disclose sensitive information from process memory. This can be triggered by a crafted regular expression.

Recommendations For versions prior to 5.26.3, update to version 5.26.3 or later to resolve the issue. As a temporary workaround, consider restricting the use of crafted regular expressions until a patch is applied.

Exploit

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

ALT-PU-2019-1131

BDU:2019-00882

CVE-2018-18313

DSA-4347-1

OPENSUSE-SU-2018_4258-1

RHSA-2019:0001

RHSA-2019:0010

RHSA-2026:7604

SUSE-SU-2018:4187-1

USN-3834-1

USN-3834-2

Affected Products

Alt Linux

Perl

Suse

Ubuntu

References · 46

• 🔥 https://rt.perl.org/Ticket/Display.html?id=133192 · Exploit
• https://github.com/Perl/perl5/commit/43b2f4ef399e2fd7240b4eeb0658686ad95f8e62 · Patch
• https://access.redhat.com/errata/RHSA-2019:0010 · Vendor Advisory
• https://security.gentoo.org/glsa/201909-01 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18313 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3834-2 · Vendor Advisory
• https://ubuntu.com/security/notices/USN-3834-1 · Vendor Advisory
• https://debian.org/security/2018/dsa-4347 · Vendor Advisory
• https://osv.dev/vulnerability/USN-3834-1 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2018-18313 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-4347-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2018-18314 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2018-18313 · Security Note
• https://wiki.astralinux.ru/astra-linux-se16-bulletin-20220829SE16 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2018-18313 · Security Note