Vulnerability · Published Dec 18, 2022 · Assigned by VulDB

CVE-2022-4603ppp pppdump pppdump.c dumpppp array index

Medium 4.3

In plain English

A medium-severity memory corruption in ppp from unspecified. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)0.9%top 40.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20ppp2.4.9-r6ALPINE-CVE-2022-4603
Alpine:v3.21ppp2.4.9-r6ALPINE-CVE-2022-4603
Alpine:v3.22ppp2.4.9-r6ALPINE-CVE-2022-4603
Alpine:v3.23ppp2.4.9-r6ALPINE-CVE-2022-4603
Alpine:v3.24ppp2.4.9-r6ALPINE-CVE-2022-4603
Debian:12pppno fix listedDEBIAN-CVE-2022-4603
Debian:13ppp2.5.0-1+2DEBIAN-CVE-2022-4603
Debian:14ppp2.5.0-1+2DEBIAN-CVE-2022-4603

Affected products (as reported)

VendorProductVersions
unspecified ppp n/a

Weakness: CWE-119 · Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

References