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Debian Security Advisory DSA 3296-1 (libcrypto++ - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

5.0

CVSSv2 Vector

CVSSv2 Vector

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

Solution Type

Solution Type

Vendor Patch

Created

Created

8 years ago

Modified

Modified

2 years ago

Summary

Evgeny Sidorov discovered that libcrypto++, a general purpose C++ cryptographic library, did not properly implement blinding to mask private key operations for the Rabin-Williams digital signature algorithm. This could allow remote attackers to mount a timing attack and retrieve the user's private key.

Affected Software

Affected Software

libcrypto++ on Debian Linux

Detection Method

Detection Method

This check tests the installed software version using the apt package manager.

Solution

Solution

For the oldstable distribution (wheezy), this problem has been fixed in version 5.6.1-6+deb7u1. For the stable distribution (jessie), this problem has been fixed in version 5.6.1-6+deb8u1. For the testing distribution (stretch), this problem will be fixed in version 5.6.1-7. For the unstable distribution (sid), this problem has been fixed in version 5.6.1-7. We recommend that you upgrade your libcrypto++ packages.

Common Vulnerabilities and Exposures (CVE)