CVE-2020-28010 Information

Description

Exim 4 before 4.94.2 allows Out-of-bounds Write because the main function while setuid root copies the current working directory pathname into a buffer that is too small (on some common platforms).

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Reference

https://www.exim.org/static/doc/security/CVE-2020-qualys/CVE-2020-28010-SLCWD.txt http://www.openwall.com/lists/oss-security/2021/07/22/7

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

7.8