CVE-2015-2313

Publication date 9 August 2017

Last updated 24 July 2024

Ubuntu priority

Cvss 3 Severity Score

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.

From the Ubuntu Security Team

David Renshaw discovered that the Cap’n Proto utility has a vulnerability that allows an attacker to cause denial of service via a crafted message.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
capnproto	18.04 LTS bionic	Not affected
	17.10 artful	Not affected
	17.04 zesty	Not affected
	16.10 yakkety	Not affected
	16.04 LTS xenial	Not affected
	15.10 wily	Ignored end of life
	14.04 LTS trusty	Fixed 0.4.0-1ubuntu2.1
	12.04 LTS precise	Not in release
	10.04 LTS lucid	Not in release

Notes

tyhicks

Fixed in 0.4.1.1, 0.5.1.2, and 0.6

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H