CVE-2015-2311

Description

Integer underflow in Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 might allow remote peers to cause a denial of service or possibly obtain sensitive information from memory or execute arbitrary code via a crafted message.

References

Link	Tags
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780566	third party advisory mailing list
http://www.openwall.com/lists/oss-security/2015/03/17/3	third party advisory mailing list
https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-1-c%2B%2B-integer-underflow.md	third party advisory
https://github.com/capnproto/capnproto/commit/26bcceda72372211063d62aab7e45665faa83633	third party advisory

Frequently Asked Questions

What is the severity of CVE-2015-2311?: CVE-2015-2311 has been scored as a critical severity vulnerability.
How to fix CVE-2015-2311?: To fix CVE-2015-2311, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2015-2311 being actively exploited in the wild?: It is possible that CVE-2015-2311 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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Description

Category

CWE-191 – Integer Underflow (Wrap or Wraparound)

References

Frequently Asked Questions