CVE-2018-19045 — keepalived 2

keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.

01What is this vulnerability?

keepalived 2.0.8 used mode 0666 when creating new temporary files upon a call to PrintData or PrintStats, potentially leaking sensitive information.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2018-11-08T20:00:00.000Z
• Last modified: 2024-08-05T11:30:04.012Z

09References

• github.com — https://github.com/acassen/keepalived/commit/5241e4d7b177d0b6f073cfc9ed5444bf51e…
• security.gentoo.org — https://security.gentoo.org/glsa/201903-01
• bugzilla.suse.com — https://bugzilla.suse.com/show_bug.cgi?id=1015141
• github.com — https://github.com/acassen/keepalived/issues/1048
• github.com — https://github.com/acassen/keepalived/commit/c6247a9ef2c7b33244ab1d3aa5d629ec49f…