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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.019 (78.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 79th percentile — 78.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.019 · newest: 0.019 · change: 0.000
Affected products
- Capnproto — versions 0.5.0.0, 0.5.1.0, 0.5.1.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/capnproto/capnproto/commit/80149744bdafa3ad4eedc83f8ab675e27baee868 (Third Party Advisory)
- github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-05-0-c++… (Third Party Advisory)
- www.openwall.com/lists/oss-security/2015/03/17/3 (mailing-list, Mailing List, Third Party Advisory)
- bugs.debian.org/cgi-bin/bugreport.cgi (Mailing List, Third Party Advisory)
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.