CVE-2020-29363

HIGH EPSS 87.8%
Published Dec 16, 20205y ago · Modified Jun 17, 20262w ago
7.5 CVSS 3.1
High
Find Similar
Published Dec 16, 2020 5y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
7.5
Exploitability
3.9
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
87.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-787 Out-of-bounds Write Memory Safety

Affected Products 3

VendorProductVersionRange
p11-kit_projectp11-kit*≥0.23.6  –  <0.23.22
debiandebian_linux10.0any
oraclecommunications_cloud_native_core_policy1.14.0any

References 4

  • github.com https://github.com/p11-glue/p11-kit/releases
    Release NotesThird Party Advisory
  • github.com https://github.com/p11-glue/p11-kit/security/advisories/GHSA-5j67-fw89-fp6x
    Third Party Advisory
  • debian.org https://www.debian.org/security/2021/dsa-4822
    Third Party Advisory
  • oracle.com https://www.oracle.com/security-alerts/cpuapr2022.html
    PatchThird Party Advisory

Remediation

  • oracle.com https://www.oracle.com/security-alerts/cpuapr2022.html
    PatchThird Party Advisory