CVE-2020-28052 Information

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.

CVSS Vector

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

Reference

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/r954d80fd18e9dafef6e813963eb7e08c228151c2b6268ecd63b35d1f@%3Ccommits.druid.apache.org%3E https://lists.apache.org/thread.html/rddd2237b8636a48d573869006ee809262525efb2b6ffa6eff50d2a2d@%3Cjira.kafka.apache.org%3E https://lists.apache.org/thread.html/r25d53acd06f29244b8a103781b0339c5e7efee9099a4d52f0c230e4a@%3Ccommits.druid.apache.org%3E https://lists.apache.org/thread.html/r175f5a25d100dbe2b1bd3459b3ce882a84c3ff91b120ed4ff2d57b53@%3Ccommits.pulsar.apache.org%3E https://lists.apache.org/thread.html/rdfd2901b8b697a3f6e2c9c6ecc688fd90d7f881937affb5144d61d6e@%3Ccommits.druid.apache.org%3E https://lists.apache.org/thread.html/r37d332c0bf772f4982d1fdeeb2f88dd71dab6451213e69e43734eadc@%3Ccommits.pulsar.apache.org%3E https://lists.apache.org/thread.html/r8c36ba34e80e05eecb1f80071cc834d705616f315b634ec0c7d8f42e@%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/r77af3ac7c3bfbd5454546e13faf7aec21d627bdcf36c9ca240436b94@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/rfc0db1f3c375087e69a239f9284ded72d04fbb55849eadde58fa9dc2@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/rdcbad6d8ce72c79827ed8c635f9a62dd919bb21c94a0b64cab2efc31@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/r167dbc42ef7c59802c2ca1ac14735ef9cf687c25208229993d6206fe@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/rcd37d9214b08067a2e8f2b5b4fd123a1f8cb6008698d11ef44028c21@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/r2ddabd06d94b60cfb0141e4abb23201c628ab925e30742f61a04d013@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/r4e1619cfefcd031fac62064a3858f5c9229eef907bd5d8ef14c594fc@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/r30a139c165b3da6e0d5536434ab1550534011b1fdfcd2f5d95892c5b@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/rf9abfc0223747a56694825c050cc6b66627a293a32ea926b3de22402@%3Cissues.karaf.apache.org%3E https://lists.apache.org/thread.html/rc9e441c1576bdc4375d32526d5cf457226928e9c87b9f54ded26271c@%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

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

8.1