CVE-2015-2313 : Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.2, when an applicati

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.

Published 2017-08-09 18:29:01

Updated 2017-08-17 14:59:10

Source Debian GNU/Linux

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2015-2313

Capnproto » Capnproto
Versions up to, including, (<=) 0.4.1.0
cpe:2.3:a:capnproto:capnproto:*:*:*:*:*:*:*:*
Matching versions
Capnproto » Capnproto » Version: 0.5.0.0
cpe:2.3:a:capnproto:capnproto:0.5.0.0:*:*:*:*:*:*:*
Matching versions
Capnproto » Capnproto » Version: 0.5.1.0
cpe:2.3:a:capnproto:capnproto:0.5.1.0:*:*:*:*:*:*:*
Matching versions
Capnproto » Capnproto » Version: 0.5.1.1
cpe:2.3:a:capnproto:capnproto:0.5.1.1:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2015-2313

EPSS FAQ

0.66%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 69 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-2313

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.8	HIGH	AV:N/AC:L/Au:N/C:N/I:N/A:C	10.0	6.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Complete
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE ids for CVE-2015-2313

CWE-400 Uncontrolled Resource Consumption

The product does not properly control the allocation and maintenance of a limited resource.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-2313

http://www.openwall.com/lists/oss-security/2015/03/17/3

oss-security - Re: CVE Request: Cap'n Proto: Several issues
Mailing List;Third Party Advisory

CVEs referencing this url
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780568

#780568 - capnproto: CVE-2015-2313: CPU usage amplification attack #2 - Debian Bug report logs
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

capnproto/2015-03-05-0-c++-addl-cpu-amplification.md at master · capnproto/capnproto · GitHub
Third Party Advisory
https://github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868

SECURITY: Additional CPU amplification case. · capnproto/capnproto@8014974 · GitHub
Third Party Advisory

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Vulnerability Details : CVE-2015-2313

Products affected by CVE-2015-2313

Exploit prediction scoring system (EPSS) score for CVE-2015-2313

CVSS scores for CVE-2015-2313

CWE ids for CVE-2015-2313

References for CVE-2015-2313