Vulnerability Monitor

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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.

Published

2017-02-13T18:59:00.517

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-200

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	cryptopp	crypto\+\+	≤ 5.6.3	Yes

References

http://www.openwall.com/lists/oss-security/2016/04/11/2 Mailing List, Patch, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/85975 Third Party Advisory, VDB Entry ([email protected])
https://github.com/weidai11/cryptopp/issues/146 Issue Tracking, Patch, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2016/04/11/2 Mailing List, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/85975 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/weidai11/cryptopp/issues/146 Issue Tracking, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)