Vulnerability in Libreoffice
CVE-2018-6871
LibreOffice before 5.4.5 and 6.x before 6.0.1 allows remote attackers to read arbitrary files via =WEBSERVICE calls in a document, which use the COM.MICROSOFT.WEBSERVICE function.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.228 (97.7th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.228 · newest: 0.228 · change: 0.000
Affected products
- Libreoffice — versions 6.0.0
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.4, 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.4, 7.6
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Public proof-of-concept exploits
References
- www.exploit-db.com/exploits/44022/ (Exploit, VDB Entry, Third Party Advisory, exploit)
- usn.ubuntu.com/3579-1/ (vendor-advisory, Third Party Advisory)
- github.com/jollheef/libreoffice-remote-arbitrary-file-disclosure (Exploit, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:0517 (vendor-advisory, Third Party Advisory)
- cgit.freedesktop.org/libreoffice/core/commit/ (Patch, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:0418 (vendor-advisory, Third Party Advisory)
- www.libreoffice.org/about-us/security/advisories/cve-2018-1055/ (Vendor Advisory)
- www.debian.org/security/2018/dsa-4111 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2018-6871?
- CVE-2018-6871 is a critical-severity vulnerability in Libreoffice. CVSS score: 9.8/10. Published 2018-02-09.
- How severe is CVE-2018-6871?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2018-6871 known to be exploited?
- 10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.