Known exploited vulnerability
CVE-2016-0752
The short answer
CVE-2016-0752 affects n/a n/a and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-03-25: attackers are using it, so patch it first. Fixed versions are published for actionview (4.1.14.1, 4.2.5.1) and actionpack (4.1.14.1, 4.2.5.1, 3.2.22.1).
What it is
Directory traversal vulnerability in Action View in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 allows remote attackers to read arbitrary files by leveraging an application's unrestricted use of the render method and providing a .. (dot dot) in a pathname.
Weakness: CWE-22.
Severity
7.5 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploited (CISA KEV)
Yes, since Mar 25, 2022
Federal due date Apr 15, 2022
EPSS, next 30 days
96%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
What CISA says to do
Apply updates per vendor instructions.
Affected packages and fixed versions
| Package | Ecosystem | Fixed in | Advisory |
|---|---|---|---|
| actionview | RubyGems | 4.1.14.1, 4.2.5.1 | GHSA-xrr4-p6fq-hjg7 |
| actionpack | RubyGems | 4.1.14.1, 4.2.5.1, 3.2.22.1 | GHSA-xrr4-p6fq-hjg7 |
Is it in your code? Drop your lockfile into the free vulnerability check, or let vulnerability watch check your repository every day and open the upgrade as a pull request.
Affected products
n/a. NVD's record lists the exact affected versions.
References
- groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJ Broken Link
- www.exploit-db.com/exploits/40561/ ExploitThird Party AdvisoryVDB Entry
- groups.google.com/forum/message/raw?msg=ruby-security-ann/335P1DcLG00/JXcBnTtZEgAJ Broken Link
- www.exploit-db.com/exploits/40561/ ExploitThird Party AdvisoryVDB Entry
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2016-0752 US Government Resource
Questions
Is CVE-2016-0752 being exploited?
Yes. CISA added CVE-2016-0752 to its Known Exploited Vulnerabilities catalog on 2022-03-25, with a federal remediation due date of 2022-04-15.
How do I fix CVE-2016-0752?
Upgrade to a fixed version: actionview (RubyGems) 4.1.14.1 or 4.2.5.1; actionpack (RubyGems) 4.1.14.1 or 4.2.5.1 or 3.2.22.1. CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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