Buffer overflow in Samba Ppp
CVE-2022-4603
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.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (53.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Samba Ppp
- Unspecified Ppp — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cna@vuldb.com (Patch, Third Party Advisory)
- cna@vuldb.com (Third Party Advisory)
- cna@vuldb.com (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2022-4603?
- CVE-2022-4603 is a medium-severity vulnerability in Samba Ppp, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 4.3/10. Published 2022-12-18.
- How severe is CVE-2022-4603?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2022-4603 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.