CVE-2020-28012 — Resource Exposure in Exim

CWE-668 — Resource Exposure8 documents7 sources
Severity
7.8HIGHNVD
EPSS
0.1%
top 64.88%
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 Exposure of File Descriptor to Unintended Control Sphere because rda_interpret uses a privileged pipe that lacks a close-on-exec flag.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages1 packages

▶NVDexim/exim4.00 — 4.94.2

🔴Vulnerability Details

3
GHSA
GHSA-x2v4-6r37-4qq5: Exim 4 before 4↗2022-05-24
▶
OSV
CVE-2020-28012: Exim 4 before 4↗2021-05-06
▶
CVEList
CVE-2020-28012: Exim 4 before 4↗2021-05-06
▶

📋Vendor Advisories

3
Ubuntu
Exim vulnerabilities↗2021-05-06
▶
Ubuntu
Exim vulnerabilities↗2021-05-04
▶
Debian
CVE-2020-28012: exim4 - Exim 4 before 4.94.2 allows Exposure of File Descriptor to Unintended Control Sp...↗2020
▶

🕵️Threat Intelligence

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