Bug#977683: bouncycastle: CVE-2020-28052

[Salvatore Bonaccorso]

Source: bouncycastle
Version: 1.65-1
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for bouncycastle, it affects
1.65 and 1.66 and is fixed in 1.67.

CVE-2020-28052[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-28052
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28052
[1] https://github.com/bcgit/bc-java/wiki/CVE-2020-28052
[2] https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/
[3] https://github.com/bcgit/bc-java/commit/97578f9b7ed277e6ecb58834e85e3d18385a4219

Regards,
Salvatore