CVE-2018-18312

CRITICALImmediate

Published:Dec 5, 2018(7 years ago)

Modified:Nov 21, 2024

Remote ExploitNo Auth RequiredNo InteractionLow Complexity

Vulnerability Description

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.

Attack Characteristics

Network AccessLow ComplexityNo Auth NeededNo User Interaction

🤖

AI analysis not yet available

Plain-English explanation, risk summary, and remediation steps will appear here once AI analysis is complete.

No Fix Known

No patch has been released yet. Apply workarounds or mitigations where available.

Affected Software

Vendor	Product	Versions	Fixed In
perl	perl	5.26.3	-
perl	perl	5.28.0 - 5.28.1	-
canonical	ubuntu_linux	-

Timeline

Published
CVE disclosed publicly
Dec 5, 20187 years ago
Last Modified
Most recent update
Nov 21, 20241 year ago
Indexed to CVEInsight
Added to this platform
Mar 29, 20261 month ago

References

http://www.securityfocus.com/bid/106179Third Party Advisory
http://www.securitytracker.com/id/1042181Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:0001Third Party Advisory

CVSS Score

v3.1

9.8/ 10.0

CRITICAL

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

At a Glance

Affected Products

References

perl / perl

https://access.redhat.com/errata/RHSA-2019:0010Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1646734Issue Tracking

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://metacpan.org/changes/release/SHAY/perl-5.26.3Third Party Advisory

https://metacpan.org/changes/release/SHAY/perl-5.28.1Third Party Advisory

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

https://security.gentoo.org/glsa/201909-01

https://security.netapp.com/advisory/ntap-20190221-0003/Third Party Advisory

https://usn.ubuntu.com/3834-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4347Third Party Advisory

https://www.oracle.com/security-alerts/cpujul2020.html

http://www.securityfocus.com/bid/106179Third Party Advisory

http://www.securitytracker.com/id/1042181Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0001Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:0010Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=1646734Issue Tracking

https://lists.fedoraproject.org/archives/list/package-announce%40lists...

https://metacpan.org/changes/release/SHAY/perl-5.26.3Third Party Advisory

https://metacpan.org/changes/release/SHAY/perl-5.28.1Third Party Advisory

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

https://security.gentoo.org/glsa/201909-01

https://security.netapp.com/advisory/ntap-20190221-0003/Third Party Advisory

https://usn.ubuntu.com/3834-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4347Third Party Advisory

https://www.oracle.com/security-alerts/cpujul2020.html

CVSS v3 Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

Impact

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

Impact Analysis

ConfidentialityHigh

NoneLowHigh

IntegrityHigh

NoneLowHigh

AvailabilityHigh

NoneLowHigh

CVE-2018-18312

✦ Vulnerability Description

Attack Characteristics

Affected Software

Timeline

References

CVSS Score

At a Glance

Official Sources

CVSS v3 Vector

Impact Analysis

Vulnerability Description