CVE-2018-0643: Ubuntu14.04 ORCA (Online Receipt Computer Advantage) 4.8.0 (panda-server) 1:1.4.9+p41-u4jma1 and earlier allow

Routine

MEDIUM 6.6WATCHLISTMITIGATEDOWNGRADE

CVE-2018-0643 is a medium-severity flaw (CVSS 6.6) affecting ubuntu linux, online receipt computer advantage. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Ubuntu14.04 ORCA (Online Receipt Computer Advantage) 4.8.0 (panda-server) 1:1.4.9+p41-u4jma1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

Why this priority

On your watchlist

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

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-78
Published	2018-09-07
Last modified	2026-06-17

Publisher (CNA): JPCERT/CC · Vendor: canonical · orcamo

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

Am I affected?

Timeline

2018-09-07 14:29 UTCPublished CVE record published
2026-06-17 01:31 UTCUpdated Record last modified

canonical ubuntu linux MITIGATE

Affected: 14.04

Fixed in: no fixed release known

Safe to downgrade to: a release before 14.04

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

orcamo online receipt computer advantage DOWNGRADE

Affected: 4.8.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.8.0

1. Check installed version

apt-cache policy online-receipt-computer-advantage || rpm -q online-receipt-computer-advantage || online-receipt-computer-advantage --version

2. No fixed release: DOWNGRADE to a release before 4.8.0 (Debian / Ubuntu)

apt-cache madison online-receipt-computer-advantage sudo apt install online-receipt-computer-advantage=<VERSION_BEFORE_4.8.0> sudo apt-mark hold online-receipt-computer-advantage

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

dnf --showduplicates list online-receipt-computer-advantage sudo dnf downgrade online-receipt-computer-advantage-<VERSION_BEFORE_4.8.0> sudo dnf versionlock add online-receipt-computer-advantage

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-2018-0643?

ubuntu linux: mitigate or apply the listed mitigation; online receipt computer advantage: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2018-0643 being exploited?

CVE-2018-0643 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-2018-0643 affect?

CVE-2018-0643 affects ubuntu linux, online receipt computer advantage. Severity is medium (CVSS 6.6). Ubuntu14.04 ORCA (Online Receipt Computer Advantage) 4.8.0 (panda-server) 1:1.4.9+p41-u4jma1 and earlier allows attacker with administrator rights to execute arbitrary OS commands via unspecified vectors.

How urgent is CVE-2018-0643?

Priority 39/100. On your watchlist

Software pages

Ubuntu vulnerabilities

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References

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