887017 – (CVE-2022-4603) <net-dialup/ppp-2.5.0: out-of-bounds read

Bug 887017 (CVE-2022-4603) - <net-dialup/ppp-2.5.0: out-of-bounds read

Summary: <net-dialup/ppp-2.5.0: out-of-bounds read

Status:	IN_PROGRESS

Alias:	CVE-2022-4603

Product:	Gentoo Security
Classification:	Unclassified
Component:	Vulnerabilities (show other bugs)
Hardware:	All Linux

Importance:	Normal minor (vote)
Assignee:	Gentoo Security

URL:	https://vuldb.com/?id.216198
Whiteboard:	B4 [noglsa cleanup]
Keywords:

Depends on:	904841 907274 915686
Blocks:
	Show dependency tree

Reported:	2022-12-18 15:55 UTC by John Helmert III
Modified:	2024-03-06 20:36 UTC (History)
CC List:	1 user (show)

See Also:
Package list:
Runtime testing required:	---

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Description John Helmert III archtester

2022-12-18 15:55:41 UTC

CVE-2022-4603:

** DISPUTED ** A vulnerability classified as problematic has been found in ppp. Affected is the function dumpppp of the file pppdump/pppdump.c of the component pppdump. The manipulation of the argument spkt.buf/rpkt.buf leads to improper validation of array index. The real existence of this vulnerability is still doubted at the moment. The name of the patch is a75fb7b198eed50d769c80c36629f38346882cbf. It is recommended to apply a patch to fix this issue. VDB-216198 is the identifier assigned to this vulnerability. NOTE: pppdump is not used in normal process of setting up a PPP connection, is not installed setuid-root, and is not invoked automatically in any scenario.

Unreleased patch: https://github.com/ppp-project/ppp/commit/a75fb7b198eed50d769c80c36629f38346882cbf