CVE-2003-0656: eroaster before 2.2.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary file

Routine

LOW 2.1DOWNGRADE

CVE-2003-0656 is a low-severity flaw (CVSS 2.1) affecting eroaster. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

eroaster before 2.2.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary file that is used as a lockfile.

Why this priority

No elevated risk signals yet

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

Risk facts

CVSS score	2.1 (Low)
EPSS exploit chance	0.3% (top 72%)
CISA exploited list	No
Published	2003-08-27
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: eroaster

Last updated 2026-06-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2003-08-27 04:00 UTCPublished CVE record published
2026-06-16 22:02 UTCUpdated Record last modified

eroaster eroaster DOWNGRADE

Affected: 2.0.0 · 2.1.0 · 2.2.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.0 (Debian / Ubuntu)

apt-cache madison eroaster sudo apt install eroaster=<VERSION_BEFORE_2.0.0> sudo apt-mark hold eroaster

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

dnf --showduplicates list eroaster sudo dnf downgrade eroaster-<VERSION_BEFORE_2.0.0> sudo dnf versionlock add eroaster

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-2003-0656?

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

Is CVE-2003-0656 being exploited?

CVE-2003-0656 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-2003-0656 affect?

CVE-2003-0656 affects eroaster. Severity is low (CVSS 2.1). eroaster before 2.2.0 allows local users to overwrite arbitrary files via a symlink attack on a temporary file that is used as a lockfile.

How urgent is CVE-2003-0656?

Priority 14/100. No elevated risk signals yet.

References

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