CVE-2018-20871 — In Univa Grid Engine before 8

In Univa Grid Engine before 8.6.3, when configured for Docker jobs and execd spooling on root_squash, weak file permissions ("other" write access) occur in certain cases (GE-6890).

01What is this vulnerability?

In Univa Grid Engine before 8.6.3, when configured for Docker jobs and execd spooling on root_squash, weak file permissions ("other" write access) occur in certain cases (GE-6890).

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: 2019-07-30T18:30:53.000Z
• Last modified: 2024-08-05T12:12:29.715Z

09References

• www.univa.com — http://www.univa.com/resources/files/Release_Notes_Univa_Grid_Engine_8.6.6.pdf