CVE-2020-28010

HIGH

Exim 4.00-4.94.1 - Out-of-bounds Write via Current Working Directory Pathname

Title source: llm
STIX 2.1

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).

References (2)

Core 2
Core References
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2021/07/22/7

Scores

CVSS v3 7.8
EPSS 0.0041
EPSS Percentile 33.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-787
Status published
Products (1)
exim/exim 4.00 - 4.94.2
Published May 06, 2021
Tracked Since Feb 18, 2026