7.5
HIGH
CVE-2015-2313
Sandstorm Cap'n Proto CPU Consumption Denial of Service
Description

Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.2, when an application invokes the totalSize method on an object reader, allows remote peers to cause a denial of service (CPU consumption) via a crafted small message, which triggers a "tight" for loop. NOTE: this vulnerability exists because of an incomplete fix for CVE-2015-2312.

INFO

Published Date :

Aug. 9, 2017, 6:29 p.m.

Last Modified :

Aug. 17, 2017, 2:59 p.m.

Remotely Exploitable :

Yes !

Impact Score :

3.6

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2015-2313 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Capnproto capnproto
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-2313.

URL Resource
http://www.openwall.com/lists/oss-security/2015/03/17/3 Mailing List Third Party Advisory
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780568 Mailing List Third Party Advisory
https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-05-0-c%2B%2B-addl-cpu-amplification.md Third Party Advisory
https://github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868 Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-2313 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-2313 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    Aug. 17, 2017

    Action Type Old Value New Value
    Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:C)
    Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780568 No Types Assigned https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780568 Mailing List, Third Party Advisory
    Changed Reference Type https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-05-0-c%2B%2B-addl-cpu-amplification.md No Types Assigned https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-05-0-c%2B%2B-addl-cpu-amplification.md Third Party Advisory
    Changed Reference Type http://www.openwall.com/lists/oss-security/2015/03/17/3 No Types Assigned http://www.openwall.com/lists/oss-security/2015/03/17/3 Mailing List, Third Party Advisory
    Changed Reference Type https://github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868 No Types Assigned https://github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868 Third Party Advisory
    Added CWE CWE-400
    Added CPE Configuration OR *cpe:2.3:a:capnproto:capnproto:0.4.1.0:*:*:*:*:*:*:* (and previous) *cpe:2.3:a:capnproto:capnproto:0.5.0.0:*:*:*:*:*:*:* *cpe:2.3:a:capnproto:capnproto:0.5.1.0:*:*:*:*:*:*:* *cpe:2.3:a:capnproto:capnproto:0.5.1.1:*:*:*:*:*:*:*
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-2313 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2015-2313 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.28 }} 0.02%

score

0.63434

percentile

CVSS30 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability