Staging Environment: Content and features may be unstable or change without notice.
Advisory details: github_osv / GHSA-73xv-w5gp-frxh
Advisory ID github_osv/GHSA-73xv-w5gp-frxh
Aliases CVE-2020-28052
Summary Logic error in Legion of the Bouncy Castle BC Java 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.
Status Published
Exploitability 0.5
Weighted Severity 7.3
Risk 3.6
Affected and Fixed Packages Package Details
Introduced and Fixed Package Commit Patches Package Commit Patches Details
Weaknesses (1)
Reference id Reference type URL
https://github.com/bcgit/bc-java
https://github.com/bcgit/bc-java/commit/97578f9b7ed277e6ecb58834e85e3d18385a4219
https://lists.apache.org/thread.html/r167dbc42ef7c59802c2ca1ac14735ef9cf687c25208229993d6206fe@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/r175f5a25d100dbe2b1bd3459b3ce882a84c3ff91b120ed4ff2d57b53@%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/r25d53acd06f29244b8a103781b0339c5e7efee9099a4d52f0c230e4a@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/r2ddabd06d94b60cfb0141e4abb23201c628ab925e30742f61a04d013@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/r30a139c165b3da6e0d5536434ab1550534011b1fdfcd2f5d95892c5b@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/r37d332c0bf772f4982d1fdeeb2f88dd71dab6451213e69e43734eadc@%3Ccommits.pulsar.apache.org%3E
https://lists.apache.org/thread.html/r4e1619cfefcd031fac62064a3858f5c9229eef907bd5d8ef14c594fc@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/r77af3ac7c3bfbd5454546e13faf7aec21d627bdcf36c9ca240436b94@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/r8c36ba34e80e05eecb1f80071cc834d705616f315b634ec0c7d8f42e@%3Cissues.solr.apache.org%3E
https://lists.apache.org/thread.html/r954d80fd18e9dafef6e813963eb7e08c228151c2b6268ecd63b35d1f@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/rc9e441c1576bdc4375d32526d5cf457226928e9c87b9f54ded26271c@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/rcd37d9214b08067a2e8f2b5b4fd123a1f8cb6008698d11ef44028c21@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/rdcbad6d8ce72c79827ed8c635f9a62dd919bb21c94a0b64cab2efc31@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/rddd2237b8636a48d573869006ee809262525efb2b6ffa6eff50d2a2d@%3Cjira.kafka.apache.org%3E
https://lists.apache.org/thread.html/rdfd2901b8b697a3f6e2c9c6ecc688fd90d7f881937affb5144d61d6e@%3Ccommits.druid.apache.org%3E
https://lists.apache.org/thread.html/rf9abfc0223747a56694825c050cc6b66627a293a32ea926b3de22402@%3Cissues.karaf.apache.org%3E
https://lists.apache.org/thread.html/rfc0db1f3c375087e69a239f9284ded72d04fbb55849eadde58fa9dc2@%3Cissues.karaf.apache.org%3E
https://www.bouncycastle.org/releasenotes.html
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle
cpuApr2021.html Other https://www.oracle.com/security-alerts/cpuApr2021.html
cpuapr2022.html Other https://www.oracle.com/security-alerts/cpuapr2022.html
cpujan2022.html Other https://www.oracle.com/security-alerts/cpujan2022.html
cpujul2022.html Other https://www.oracle.com/security-alerts/cpujul2022.html
cpuoct2021.html Other https://www.oracle.com/security-alerts/cpuoct2021.html
CVE-2020-28052 https://github.com/bcgit/bc-java/wiki/CVE-2020-28052
CVE-2020-28052 https://nvd.nist.gov/vuln/detail/CVE-2020-28052
No exploits are available.

No EPSS data available for this advisory.

Patch URL
There are no known patches.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Found at https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2021/04/GHSA-73xv-w5gp-frxh/GHSA-73xv-w5gp-frxh.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none

There are no SSVC decisions available.