CVE-2022-4603

ppp: improper validation of array index of the component pppdump

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · December 19, 2022

Updated · November 21, 2025

Description

A potential buffer overflow vulnerability was found in ppp. This issue occurs via manipulation of the spkt.buf/rpkt.buf argument, which may cause a crash.

Statement

pppdump is not used in the normal process of setting up a PPP connection, is not installed setuid-root, and is not invoked automatically in any scenario.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-119 · Improper Restriction of Operations within the Bounds of a Memory Buffer