CVE-2018-8778
Published: 3 April 2018
In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.
Priority
Medium
CVSS 3 base score: 7.5
Status
| Package | Release | Status |
|---|---|---|
|
ruby1.9.1 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
(trusty was released [1.9.3.484-2ubuntu1.11])
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
ruby2.0 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
(trusty was released [2.0.0.484-1ubuntu2.9])
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
|
|
ruby2.3 Launchpad, Ubuntu, Debian |
artful |
Released
(2.3.3-1ubuntu1.5)
|
| bionic |
Does not exist
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Released
(2.3.1-2~16.04.9)
|
|
|
ruby2.5 Launchpad, Ubuntu, Debian |
artful |
Does not exist
|
| bionic |
Released
(2.5.1-1)
|
|
| precise |
Does not exist
|
|
| trusty |
Does not exist
|
|
| upstream |
Needs triage
|
|
| xenial |
Does not exist
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-8778
- https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/
- https://github.com/ruby/ruby/commit/d02b7bd864706fc2a40d83fb6014772ad3cc3b80
- https://github.com/ruby/ruby/commit/4cd92d7b13002161a3452a0fe278b877901a8859
- https://ubuntu.com/security/notices/USN-3626-1
- NVD
- Launchpad
- Debian