Alpine: multiple libslirp packages: security update to 4.3.1-r0 (deprecated)

medium Tenable Cloud Security Plugin ID 400300

Description

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

- ncsi.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of
header data even if that exceeds the total packet length. (CVE-2020-29129)

- slirp.c in libslirp through 4.3.1 has a buffer over-read because it tries to read a certain amount of
header data even if that exceeds the total packet length. (CVE-2020-29130)

See Also

https://git.alpinelinux.org/aports/commit/?id=233b0c509fb0b40ca0587125687d7be71e201580

https://git.alpinelinux.org/aports/commit/?id=9c57cee80c81eaf5260a4d2c6cb780491138f7f5

Plugin Details

Severity: Medium

ID: 400300

Version: Revision 1.23

Type: Local

Published: 8/16/2023

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

CVSS v2

Risk Factor: Medium

Base Score: 4

Temporal Score: 3.1

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

CVSS Score Source: CVE-2020-29130

CVSS v3

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.9

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 12/2/2020

Vulnerability Publication Date: 11/26/2020

Reference Information

CVE: CVE-2020-29129, CVE-2020-29130