CVE-2018-6797

critical

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