CVE-2014-1834: The perform_request function in /lib/echor/backplane.rb in echor 0.1.6 Ruby Gem allows local users to inject a

Routine

HIGH 7.8DOWNGRADE

CVE-2014-1834 is a high-severity flaw (CVSS 7.8) affecting echor. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The perform_request function in /lib/echor/backplane.rb in echor 0.1.6 Ruby Gem allows local users to inject arbitrary code by adding a semi-colon in their username or password.

Why this priority

High severity

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

Risk facts

CVSS score	7.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 65%)
CISA exploited list	No
Weakness	CWE-77
Published	2018-02-02
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: echor project

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

Am I affected?

Timeline

2018-02-02 21:29 UTCPublished CVE record published
2026-06-17 00:05 UTCUpdated Record last modified

echor project echor DOWNGRADE

Affected: 0.1.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.6

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 0.1.6 (Debian / Ubuntu)

apt-cache madison echor sudo apt install echor=<VERSION_BEFORE_0.1.6> sudo apt-mark hold echor

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

dnf --showduplicates list echor sudo dnf downgrade echor-<VERSION_BEFORE_0.1.6> sudo dnf versionlock add echor

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-2014-1834?

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

Is CVE-2014-1834 being exploited?

CVE-2014-1834 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-2014-1834 affect?

CVE-2014-1834 affects echor. Severity is high (CVSS 7.8). The perform_request function in /lib/echor/backplane.rb in echor 0.1.6 Ruby Gem allows local users to inject arbitrary code by adding a semi-colon in their username or password.

How urgent is CVE-2014-1834?

Priority 36/100. High severity

Software pages

Ruby vulnerabilities

Related CVEs

CVE-2014-1835 HIGH 7.8 DOWNGRADE The perform_request function in /lib/echor/backplane.rb in echor 0.1.6 Ruby Gem allows local users to steal th

References

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