| Name | CVE-2020-28052 |
| 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 977683 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bouncycastle (PTS) | buster | 1.60-1 | fixed |
| buster (security) | 1.60-1+deb10u1 | fixed |
| bullseye | 1.68-2 | fixed |
| bookworm | 1.72-2 | fixed |
| sid, trixie | 1.77-1 | fixed |
The information below is based on the following data on fixed versions.
Notes
[buster] - bouncycastle <not-affected> (Vulnerability introduced later)
[stretch] - bouncycastle <not-affected> (Vulnerability introduced later)
https://github.com/bcgit/bc-java/wiki/CVE-2020-28052
https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/
Introduced in: https://github.com/bcgit/bc-java/commit/00dfe74aeb4f6300dd56b34b5e6986ce6658617e (r1rv65)
Fixed by: https://github.com/bcgit/bc-java/commit/97578f9b7ed277e6ecb58834e85e3d18385a4219 (r1rv67)