Alpine: multiple libspf2 packages: security update to 1.2.11-r3

high Tenable Cloud Security Plugin ID 424060

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

- Exim libspf2 Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows network-
adjacent attackers to execute arbitrary code on affected installations of Exim libspf2. Authentication is
not required to exploit this vulnerability. The specific flaw exists within the parsing of SPF macros.
When parsing SPF macros, the process does not properly validate user-supplied data, which can result in an
integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in
the context of the service account. . Was ZDI-CAN-17578. (CVE-2023-42118)

See Also

https://security.alpinelinux.org/vuln/CVE-2023-42118

Plugin Details

Severity: High

ID: 424060

Version: Revision 1.11

Type: Local

Published: 4/4/2025

Updated: 6/1/2026

Supported Sensors: Agentless Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.76

CVSS v2

Risk Factor: High

Base Score: 8.3

Temporal Score: 6.1

Vector: CVSS2#AV:A/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2023-42118

CVSS v3

Risk Factor: High

Base Score: 8.8

Temporal Score: 7.7

Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

Exploit Ease: No known exploits are available

Vulnerability Publication Date: 10/2/2023

Reference Information

CVE: CVE-2023-42118