Buffer overflow in Oracle Communications Cloud Native Core Policy

CVE-2020-29363

An issue was discovered in p11-kit 0.23.6 through 0.23.21. A heap-based buffer overflow has been discovered in the RPC protocol used by p11-kit server/remote commands and the client library. When the remote entity supplies a serialized byte array in a CK_ATTRIBUTE, the receiving entity may not allocate sufficient length for the buffer to store the deserialized value.

Vulnerability class: Buffer Overflow

EPSS: 0.035 (88.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-29363?
CVE-2020-29363 is a high-severity vulnerability in Oracle Communications Cloud Native Core Policy, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2020-12-16.
How severe is CVE-2020-29363?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-29363 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.