CVE-2018-6470: Nibbleblog 4.0.5 on macOS defaults to having .DS_Store in each directory, causing DS_Store information to leak

This month

MEDIUM 5.3REMOTEDOWNGRADE

CVE-2018-6470 is a medium-severity flaw (CVSS 5.3) affecting nibbleblog. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Nibbleblog 4.0.5 on macOS defaults to having .DS_Store in each directory, causing DS_Store information to leak.

Why this priority

Remotely exploitable, no login, no user action

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	1.1% (top 35%)
CISA exploited list	No
Weakness	CWE-200
Published	2018-02-01
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: nibbleblog

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

Am I affected?

Timeline

2018-02-01 13:29 UTCPublished CVE record published
2026-06-17 02:01 UTCUpdated Record last modified

nibbleblog nibbleblog DOWNGRADE

Affected: 4.0.5

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.0.5

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.0.5 (Debian / Ubuntu)

apt-cache madison nibbleblog sudo apt install nibbleblog=<VERSION_BEFORE_4.0.5> sudo apt-mark hold nibbleblog

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

dnf --showduplicates list nibbleblog sudo dnf downgrade nibbleblog-<VERSION_BEFORE_4.0.5> sudo dnf versionlock add nibbleblog

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-2018-6470?

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

Is CVE-2018-6470 being exploited?

CVE-2018-6470 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-2018-6470 affect?

CVE-2018-6470 affects nibbleblog. Severity is medium (CVSS 5.3). Nibbleblog 4.0.5 on macOS defaults to having .DS_Store in each directory, causing DS_Store information to leak.

How urgent is CVE-2018-6470?

Priority 40/100. Remotely exploitable, no login, no user action

Software pages

macOS vulnerabilities

Related CVEs

CVE-2020-23356 HIGH 7.5 DOWNGRADE dmin/kernel/api/login.class.phpin in nibbleblog v3.7.1c allows type juggling for login bypass because == is us
CVE-2019-7719 CRITICAL 9.8 DOWNGRADE Nibbleblog 4.0.5 allows eval injection by placing PHP code in the install.php username parameter and then maki
CVE-2018-16604 HIGH 7.2 DOWNGRADE An issue was discovered in Nibbleblog v4.0.5

References

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