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CVE-2015-2141

UnknownEPSS 2.88%

Last modified

CVE-2015-2141 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 2.88% chance of exploitation in the next 30 days.

Description

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.

Metrics

EPSS Probability
2.88%

85.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CryptoppCrypto\+\+ Library5.6.2
OpensuseOpensuse13.1
OpensuseOpensuse13.2

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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.
How severe is CVE-2015-2141?
Severity scoring for CVE-2015-2141 is pending analysis. The EPSS model estimates a 2.88% probability of exploitation in the next 30 days.
How do I fix CVE-2015-2141?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-2141?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST