CVE-2020-28052

high

Description

An issue was discovered in Legion of the Bouncy Castle BC Java 1.65 and 1.66. The OpenBSDBCrypt.checkPassword utility method compared incorrect data when checking the password, allowing incorrect passwords to indicate they were matching with previously hashed ones that were different.

References

https://github.com/bcgit/bc-java/wiki/CVE-2020-28052

https://www.bouncycastle.org/releasenotes.html

https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/

https://lists.apache.org/thread.html/[email protected]%3Ccommits.druid.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cjira.kafka.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.druid.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.druid.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Ccommits.pulsar.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.solr.apache.org%3E

https://www.oracle.com/security-alerts/cpuApr2021.html

https://www.oracle.com//security-alerts/cpujul2021.html

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://lists.apache.org/thread.html/[email protected]%3Cissues.karaf.apache.org%3E

https://www.oracle.com/security-alerts/cpuoct2021.html

https://www.oracle.com/security-alerts/cpujan2022.html

https://www.oracle.com/security-alerts/cpuapr2022.html

Details

Source: MITRE

Published: 2020-12-18

Updated: 2022-05-12

Risk Information

CVSS v2

Base Score: 6.8

Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 8.1

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 2.2

Severity: HIGH