CVE-2015-2141

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    CVE-2015-2141

    Published: 1 Jul 2015Last Modified: 16 Apr 2026

    Summary:

    Details: The InvertibleRWFunction::CalculateInverse function in rw.cpp in libcrypt++ 5.6.2 does not properly blind private key operations for the Rabin-Williams digital signature algorithm, which allows remote attackers to obtain private keys via a timing attack.

    References: http://www.debian.org/security/2015/dsa-3296, https://github.com/weidai11/cryptopp/commit/9425e16437439e68c7d96abef922167d68fafaff, http://lists.opensuse.org/opensuse-updates/2015-07/msg00047.html, http://sourceforge.net/p/cryptopp/code/542/, http://www.securityfocus.com/bid/75467

    Affected packages

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High