Resource exhaustion in Cap'n Proto - CVE-2015-2312
Published: August 9, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38506
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-2312
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Sandstorm Cap'n Proto before 0.4.1.1 and 0.5.x before 0.5.1.1 allows remote peers to cause a denial of service (CPU and possibly general resource consumption) via a list with a large number of elements.
Affected software
Cap'n Proto
How to mitigate CVE-2015-2312
Install update from vendor's website.
External References
- http://www.openwall.com/lists/oss-security/2015/03/17/3
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=780567
- https://github.com/capnproto/capnproto/blob/master/security-advisories/2015-03-02-2-all-cpu-amplification.md
- https://github.com/capnproto/capnproto/commit/104870608fde3c698483fdef6b97f093fc15685d