CVE-2018-6797

critical
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

An issue was discovered in Perl 5.18 through 5.26. A crafted regular expression can cause a heap-based buffer overflow, with control over the bytes written.

References

http://www.securitytracker.com/id/1040681

http://www.securitytracker.com/id/1042004

https://access.redhat.com/errata/RHSA-2018:1192

https://rt.perl.org/Public/Bug/Display.html?id=132227

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

https://usn.ubuntu.com/3625-1/

https://www.debian.org/security/2018/dsa-4172

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

Details

Source: MITRE

Published: 2018-04-17

Updated: 2020-08-24

Type: CWE-787

Risk Information

CVSS v2

Base Score: 7.5

Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 10

Severity: HIGH

CVSS v3

Base Score: 9.8

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

Impact Score: 5.9

Exploitability Score: 3.9

Severity: CRITICAL

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 2

OR

cpe:2.3:a:perl:perl:*:*:*:*:*:*:*:* versions from 5.18 to 5.26 (inclusive)

Configuration 3

OR

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*

Configuration 4

OR

cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.3:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.4:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.5:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_server:7.6:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*

cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*

Tenable Plugins

View all (20 total)

IDNameProductFamilySeverity
131491EulerOS Virtualization for ARM 64 3.0.3.0 : perl (EulerOS-SA-2019-2326)NessusHuawei Local Security Checks
critical
128590GLSA-201909-01 : Perl: Multiple vulnerabilitiesNessusGentoo Local Security Checks
critical
700517macOS 10.13.x < 10.13.6 Multiple VulnerabilitiesNessus Network MonitorOperating System Detection
critical
121950Photon OS 2.0: Perl PHSA-2018-2.0-0050NessusPhotonOS Local Security Checks
critical
121865Photon OS 1.0: Perl PHSA-2018-1.0-0167NessusPhotonOS Local Security Checks
critical
120813Fedora 28 : 4:perl (2018-d1ba58394e)NessusFedora Local Security Checks
critical
118573macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-005)NessusMacOS X Local Security Checks
critical
118275SUSE SLES12 Security Update : perl (SUSE-SU-2018:1972-2)NessusSuSE Local Security Checks
critical
111946Photon OS 1.0: Blktrace / Libmspack / Ntp / Openjdk / Perl / Systemd / Vim PHSA-2018-1.0-0167 (deprecated)NessusPhotonOS Local Security Checks
critical
111305Photon OS 2.0 : perl / libmspack / zsh (PhotonOS-PHSA-2018-2.0-0050) (deprecated)NessusPhotonOS Local Security Checks
critical
111150SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1972-1)NessusSuSE Local Security Checks
critical
111137macOS 10.13.x < 10.13.6 Multiple VulnerabilitiesNessusMacOS X Local Security Checks
critical
111136macOS and Mac OS X Multiple Vulnerabilities (Security Update 2018-004)NessusMacOS X Local Security Checks
critical
109385openSUSE Security Update : perl (openSUSE-2018-400)NessusSuSE Local Security Checks
critical
109356SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1074-1)NessusSuSE Local Security Checks
critical
109350Fedora 26 : 1:perl-Module-CoreList / 4:perl (2018-0050f7c0d1)NessusFedora Local Security Checks
critical
109221Fedora 27 : 1:perl-Module-CoreList / 4:perl (2018-1c8b49fbc7)NessusFedora Local Security Checks
critical
109086Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : Perl vulnerabilities (USN-3625-1)NessusUbuntu Local Security Checks
critical
109051FreeBSD : perl -- multiple vulnerabilities (41c96ffd-29a6-4dcc-9a88-65f5038fa6eb)NessusFreeBSD Local Security Checks
critical
109047Debian DSA-4172-1 : perl - security updateNessusDebian Local Security Checks
critical