CVE-2014-5003: chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb in the ciborg gem 3.0.0 for Ruby allows local

Routine

MEDIUM 5.5DOWNGRADE

CVE-2014-5003 is a medium-severity flaw (CVSS 5.5) affecting ciborg. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb in the ciborg gem 3.0.0 for Ruby allows local users to write to arbitrary files and gain privileges via a symlink attack on /tmp/perlbrew-installer.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	5.5 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 68%)
CISA exploited list	No
Weakness	CWE-20
Published	2018-01-10
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: ciborg project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-01-10 18:29 UTCPublished CVE record published
2026-06-17 00:10 UTCUpdated Record last modified

ciborg project ciborg DOWNGRADE

Affected: 3.0.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.0.0

1. Check installed version

apt-cache policy ciborg || rpm -q ciborg || ciborg --version

2. No fixed release: DOWNGRADE to a release before 3.0.0 (Debian / Ubuntu)

apt-cache madison ciborg sudo apt install ciborg=<VERSION_BEFORE_3.0.0> sudo apt-mark hold ciborg

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list ciborg sudo dnf downgrade ciborg-<VERSION_BEFORE_3.0.0> sudo dnf versionlock add ciborg

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2014-5003?

ciborg: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2014-5003 being exploited?

CVE-2014-5003 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2014-5003 affect?

CVE-2014-5003 affects ciborg. Severity is medium (CVSS 5.5). chef/travis-cookbooks/ci_environment/perlbrew/recipes/default.rb in the ciborg gem 3.0.0 for Ruby allows local users to write to arbitrary files and gain privileges via a symlink attack on /tmp/perlbrew-installer.

How urgent is CVE-2014-5003?

Priority 27/100. No elevated risk signals yet.

Software pages

Ruby vulnerabilities

References

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