Vulnerability Details : CVE-2015-2141
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.
Vulnerability category: Information leak
Products affected by CVE-2015-2141
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*
- cpe:2.3:a:cryptopp:crypto\+\+_library:5.6.2:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2141
0.36%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 69 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-2141
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST |
CWE ids for CVE-2015-2141
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-2141
-
http://www.debian.org/security/2015/dsa-3296
Debian -- Security Information -- DSA-3296-1 libcrypto++
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http://sourceforge.net/p/cryptopp/code/542/
Crypto++ / Code / Commit [r542]
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http://www.securityfocus.com/bid/75467
Crypto++ CVE-2015-2141 Information Disclosure Vulnerability
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https://github.com/weidai11/cryptopp/commit/9425e16437439e68c7d96abef922167d68fafaff
Fix for CVE-2015-2141. Thanks to Evgeny Sidorov for reporting. Squari… · weidai11/cryptopp@9425e16 · GitHub
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http://lists.opensuse.org/opensuse-updates/2015-07/msg00047.html
openSUSE-SU-2015:1271-1: moderate: Security update for libcryptopp
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