Information disclosure in Cryptopp Crypto\+\+

CVE-2016-3995

The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.

Vulnerability class: Information Disclosure

EPSS: 0.019 (76.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (mailing-list, x_refsource_MLIST, Patch, Mailing List, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)
  • cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2016-3995?
CVE-2016-3995 is a high-severity vulnerability in Cryptopp Crypto\+\+, classified under Information Disclosure. CVSS score: 7.5/10. Published 2017-02-13.
How severe is CVE-2016-3995?
High severity. CVSS v3 base score is 7.5 out of 10.