CVE-2020-29362: Medium severity ibm cloud pak for security vulnerability

Published Dec 16, 2020
·
Updated

An issue was discovered in p11-kit 0.21.1 through 0.23.21. A heap-based buffer over-read has been discovered in the RPC protocol used by thep11-kit server/remote commands and the client library. When the remote entity supplies a byte array through a serialized PKCS#11 function call, the receiving entity may allow the reading of up to 4 bytes of memory past the heap allocation.

Other sources

p11-glue p11-kit could allow a remote attacker to obtain sensitive information, caused by a heap-based buffer over-read flaw in the RPC protocol. By sending a specially-crafted request, an attacker could exploit this vulnerability to obtain up to 4 bytes of memory past the heap allocation, and use this information to launch further attacks against the affected system.

IBM

Affected Software

5 affected componentsFixes available
debian/p11-kit
0.23.15-2+deb10u10.23.22-10.24.1-20.25.0-5
IBM Cloud Pak for Security (CP4S)<=1.7.2.0
IBM Cloud Pak for Security (CP4S)<=1.7.1.0
IBM Cloud Pak for Security (CP4S)<=1.7.0.0
P11-kit Project P11-kit>=0.23.6<0.23.22

Event History

Dec 16, 2020
CVE Published
via MITRE·01:32 PM
Data Sourced
via MITRE·01:32 PM
Description

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is CVE-2020-29362?

CVE-2020-29362 is a vulnerability discovered in p11-kit, allowing a remote attacker to obtain sensitive information.

2

What is the severity of CVE-2020-29362?

The severity of CVE-2020-29362 is medium with a CVSS score of 5.3.

3

How does CVE-2020-29362 affect p11-kit?

CVE-2020-29362 affects p11-kit versions 0.21.1 through 0.23.21.

4

How can the vulnerability CVE-2020-29362 be exploited?

CVE-2020-29362 can be exploited by a remote attacker through the RPC protocol used by the p11-kit server/remote commands and the client library.

5

Is there a fix available for CVE-2020-29362?

Yes, fixes are available for CVE-2020-29362. Please update to p11-kit versions 0.23.15-2+deb10u1, 0.23.22-1, 0.24.1-2, or 0.25.0-5.

Contact

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