CVE-2020-28023 — Out-of-bounds Read in Exim

CWE-125 — Out-of-bounds Read7 documents7 sources
Severity
7.5HIGHNVD
EPSS
3.8%
top 11.92%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Exim
Timeline
PublishedMay 6
Latest updateMay 24

Description

Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sensitive information from process memory to an unauthenticated SMTP client.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages1 packages

▶NVDexim/exim4.00 — 4.94.2

🔴Vulnerability Details

3
GHSA
GHSA-9wmp-x8mr-7rgr: Exim 4 before 4↗2022-05-24
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OSV
CVE-2020-28023: Exim 4 before 4↗2021-05-06
▶
CVEList
CVE-2020-28023: Exim 4 before 4↗2021-05-06
▶

📋Vendor Advisories

2
Ubuntu
Exim vulnerabilities↗2021-05-04
▶
Debian
CVE-2020-28023: exim4 - Exim 4 before 4.94.2 allows Out-of-bounds Read. smtp_setup_msg may disclose sens...↗2020
▶

🕵️Threat Intelligence

1
Qualys
21Nails: Multiple Critical Vulnerabilities in Exim Mail Server↗2021-05-04
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