PT-2020-6051 · Exim+5 · Exim+5
Published
2020-10-20
·
Updated
2024-06-15
·
CVE-2020-28017
CVSS v3.1
9.8
Critical
| Vector | AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Exim versions prior to 4.94.2
Description
The issue is related to an integer overflow to buffer overflow in the
receive add recipient() function via an e-mail message with a large number of recipients, potentially allowing remote execution of arbitrary code. Remote exploitation may be difficult due to resource consumption.Recommendations
For versions prior to 4.94.2, update to version 4.94.2 or later to resolve the issue.
As a temporary workaround, consider restricting the number of recipients in email messages to prevent exploitation of the
receive add recipient() function.Exploit
Fix
Integer Overflow
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Weakness Enumeration
Related Identifiers
Affected Products
Alt Linux
Astra Linux
Exim
Linuxmint
Suse
Ubuntu