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CVE-2020-28016

Published: 4 May 2021

Exim 4 before 4.94.2 allows an off-by-two Out-of-bounds Write because "-F ''" is mishandled by parse_fix_phrase.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
exim4
Launchpad, Ubuntu, Debian
focal Not vulnerable
(code not present)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
bionic Not vulnerable
(code not present)
groovy
Released (4.94-7ubuntu1.2)
hirsute
Released (4.94-15ubuntu1.2)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required Low
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H