FreshPorts - VuXML

This page displays vulnerability information about FreeBSD Ports.

The last vuln.xml file processed by FreshPorts is:

Revision:  456676
Date:      2017-12-18
Time:      21:48:18Z
Committer: asomers

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VuXML IDDescription
6809c6db-bdeb-11e5-b5fe-002590263bf5go -- information disclosure vulnerability

Jason Buberel reports:

A security-related issue has been reported in Go's math/big package. The issue was introduced in Go 1.5. We recommend that all users upgrade to Go 1.5.3, which fixes the issue. Go programs must be recompiled with Go 1.5.3 in order to receive the fix.

The Go team would like to thank Nick Craig-Wood for identifying the issue.

This issue can affect RSA computations in crypto/rsa, which is used by crypto/tls. TLS servers on 32-bit systems could plausibly leak their RSA private key due to this issue. Other protocol implementations that create many RSA signatures could also be impacted in the same way.

Specifically, incorrect results in one part of the RSA Chinese Remainder computation can cause the result to be incorrect in such a way that it leaks one of the primes. While RSA blinding should prevent an attacker from crafting specific inputs that trigger the bug, on 32-bit systems the bug can be expected to occur at random around one in 2^26 times. Thus collecting around 64 million signatures (of known data) from an affected server should be enough to extract the private key used.

On 64-bit systems, the frequency of the bug is so low (less than one in 2^50) that it would be very difficult to exploit. Nonetheless, everyone is strongly encouraged to upgrade.

Discovery 2016-01-13
Entry 2016-01-18
ge 1.5,1 lt 1.5.3,1

f2217cdf-01e4-11e6-b1ce-002590263bf5go -- remote denial of service

Jason Buberel reports:

Go has an infinite loop in several big integer routines that makes Go programs vulnerable to remote denial of service attacks. Programs using HTTPS client authentication or the Go ssh server libraries are both exposed to this vulnerability.

Discovery 2016-04-05
Entry 2016-04-14
lt 1.6.1,1