CVE-2008-5367: ip-up in ppp-udeb 2.4.4rel on Debian GNU/Linux allows local users to overwrite arbitrary files via a symlink a

Routine

MEDIUM 6.9WATCHLISTDOWNGRADE

CVE-2008-5367 is a medium-severity flaw (CVSS 6.9) affecting ppp-udeb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

ip-up in ppp-udeb 2.4.4rel on Debian GNU/Linux allows local users to overwrite arbitrary files via a symlink attack on the /tmp/resolv.conf.tmp temporary file.

Why this priority

On your watchlist

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

Risk facts

CVSS score	6.9 (Medium)
EPSS exploit chance	0.4% (top 64%)
CISA exploited list	No
Weakness	CWE-59
Published	2008-12-08
Last modified	2026-06-16

Publisher (CNA): MITRE · Vendor: marco d\'itri

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

Am I affected?

Timeline

2008-12-08 23:30 UTCPublished CVE record published
2026-06-16 22:59 UTCUpdated Record last modified

marco d\'itri ppp-udeb DOWNGRADE

Affected: 2.4.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.4.4

1. Check installed version

apt-cache policy ppp-udeb || rpm -q ppp-udeb || ppp-udeb --version

2. No fixed release: DOWNGRADE to a release before 2.4.4 (Debian / Ubuntu)

apt-cache madison ppp-udeb sudo apt install ppp-udeb=<VERSION_BEFORE_2.4.4> sudo apt-mark hold ppp-udeb

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

dnf --showduplicates list ppp-udeb sudo dnf downgrade ppp-udeb-<VERSION_BEFORE_2.4.4> sudo dnf versionlock add ppp-udeb

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-2008-5367?

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

Is CVE-2008-5367 being exploited?

CVE-2008-5367 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-2008-5367 affect?

CVE-2008-5367 affects ppp-udeb. Severity is medium (CVSS 6.9). ip-up in ppp-udeb 2.4.4rel on Debian GNU/Linux allows local users to overwrite arbitrary files via a symlink attack on the /tmp/resolv.conf.tmp temporary file.

How urgent is CVE-2008-5367?

Priority 38/100. On your watchlist

Software pages

Debian vulnerabilities

References

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