Description
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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | capnproto | 0.4.1-3 | — |
| Debian 13 | capnproto | 0.4.1-3 | — |
| Debian 12 | capnproto | 0.4.1-3 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | capnproto | 0.4.0-1ubuntu2.1 | — |
References
- https://github.com/capnproto/capnproto/commit/104870608fde3c698483fdef6b97f093fc15685d
- [oss-security] 20150317 Re: CVE Request: Cap'n Proto: Several issues mailing-list
- 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