Vulnerability Details : CVE-2015-2313
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.
Vulnerability category: Denial of service
Products affected by CVE-2015-2313
- cpe:2.3:a:capnproto:capnproto:*:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-2313
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 | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | AV:N/AC:L/Au:N/C:N/I:N/A:C |
10.0
|
6.9
|
NIST | |
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 |
CWE ids for CVE-2015-2313
-
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 issuesMailing List;Third Party Advisory
-
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780568
#780568 - capnproto: CVE-2015-2313: CPU usage amplification attack #2 - Debian Bug report logsMailing 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 · GitHubThird Party Advisory
-
https://github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868
SECURITY: Additional CPU amplification case. · capnproto/capnproto@8014974 · GitHubThird Party Advisory
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