VulnerabilityModified
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.
HIGH 7.5EPSS 1.86%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.86%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.86% probability · 78th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- cryptopp/crypto\+\+
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2016/04/11/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/85975Third Party Advisory, VDB Entry
- https://github.com/weidai11/cryptopp/issues/146Issue Tracking, Patch, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2016/04/11/2Mailing List, Patch, Third Party Advisory
- http://www.securityfocus.com/bid/85975Third Party Advisory, VDB Entry
- https://github.com/weidai11/cryptopp/issues/146Issue Tracking, Patch, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.