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CVE-2022-4603

Date: December 17, 2022

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.

Severity Score

Related Resources (8)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J43NP7ABHOCIWOFHWCH6ZCZOYKZH6723/
https://security.alpinelinux.org/vuln/CVE-2022-4603
https://nvd.nist.gov/vuln/detail/CVE-2022-4603
https://github.com/ppp-project/ppp/commit/a75fb7b198eed50d769c80c36629f38346882cbf
https://security-tracker.debian.org/tracker/CVE-2022-4603
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/J43NP7ABHOCIWOFHWCH6ZCZOYKZH6723/
https://vuldb.com/?id.216198
https://www.mend.io/vulnerability-database/CVE-2022-4603

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Improper Validation of Array Index

CWE-129

CVSS v3.1

Base Score:
Attack Vector (AV): ADJACENT_NETWORK
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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