CVE-2015-2313
Published: 9 August 2017
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.
Notes
| Author | Note |
|---|---|
| tyhicks | Fixed in 0.4.1.1, 0.5.1.2, and 0.6 |
Priority
Status
| Package | Release | Status |
|---|---|---|
|
capnproto Launchpad, Ubuntu, Debian |
artful |
Not vulnerable
|
| bionic |
Not vulnerable
|
|
| lucid |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Released
(0.4.0-1ubuntu2.1)
|
|
| upstream |
Released
(0.5.1.2)
|
|
| wily |
Ignored
(end of life)
|
|
| xenial |
Not vulnerable
(0.5.3-2ubuntu1)
|
|
| yakkety |
Not vulnerable
|
|
| zesty |
Not vulnerable
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.5 |
| 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 |