CVE-2018-6797

HIGH

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 v2.0

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 v3.0

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
high
128590GLSA-201909-01 : Perl: Multiple vulnerabilitiesNessusGentoo Local Security Checks
high
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
high
121865Photon OS 1.0: Perl PHSA-2018-1.0-0167NessusPhotonOS Local Security Checks
high
120813Fedora 28 : 4:perl (2018-d1ba58394e)NessusFedora Local Security Checks
high
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
high
111946Photon OS 1.0: Blktrace / Libmspack / Ntp / Openjdk / Perl / Systemd / Vim PHSA-2018-1.0-0167 (deprecated)NessusPhotonOS Local Security Checks
high
111305Photon OS 2.0 : perl / libmspack / zsh (PhotonOS-PHSA-2018-2.0-0050) (deprecated)NessusPhotonOS Local Security Checks
high
111150SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1972-1)NessusSuSE Local Security Checks
high
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
high
109356SUSE SLED12 / SLES12 Security Update : perl (SUSE-SU-2018:1074-1)NessusSuSE Local Security Checks
high
109350Fedora 26 : 1:perl-Module-CoreList / 4:perl (2018-0050f7c0d1)NessusFedora Local Security Checks
high
109221Fedora 27 : 1:perl-Module-CoreList / 4:perl (2018-1c8b49fbc7)NessusFedora Local Security Checks
high
109086Ubuntu 14.04 LTS / 16.04 LTS / 17.10 : Perl vulnerabilities (USN-3625-1)NessusUbuntu Local Security Checks
high
109051FreeBSD : perl -- multiple vulnerabilities (41c96ffd-29a6-4dcc-9a88-65f5038fa6eb)NessusFreeBSD Local Security Checks
high
109047Debian DSA-4172-1 : perl - security updateNessusDebian Local Security Checks
high