Resource exhaustion in Capnproto
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 class: DoS (Denial of Service)
EPSS: 0.019 (77.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Capnproto — versions 0.5.0.0, 0.5.1.0, 0.5.1.1
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory)
- security@debian.org (x_refsource_CONFIRM, Third Party Advisory)
- security@debian.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@debian.org (Mailing List, Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2015-2313?
- CVE-2015-2313 is a high-severity vulnerability in Capnproto, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2017-08-09.
- How severe is CVE-2015-2313?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2015-2313 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.