CVE-2019-9853
Description
LibreOffice documents can contain macros. The execution of those macros is controlled by the document security settings, typically execution of macros are blocked by default. A URL decoding flaw existed in how the urls to the macros within the document were processed and categorized, resulting in the possibility to construct a document where macro execution bypassed the security settings. The documents were correctly detected as containing macros, and prompted the user to their existence within the documents, but macros within the document were subsequently not controlled by the security settings allowing arbitrary macro execution This issue affects: LibreOffice 6.2 series versions prior to 6.2.7; LibreOffice 6.3 series versions prior to 6.3.1.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Mitigation details
Description libreoffice: Insufficient URL decoding flaw in categorizing macro location CVSS v3: 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H) Errata / fixed releases ProductPackageAdvisoryReleased Red Hat Enterprise Linux 7libreoffice-1:5.3.6.1-24.el7RHSA-2020:11512020-03-31T00:00:00Z Red Hat Enterprise Linux 8libreoffice-1:6.0.6.1-20.el8RHSA-2020:15982020-04-28T00:00:00Z Package state…
Description
libreoffice: Insufficient URL decoding flaw in categorizing macro location
CVSS v3: 7.8 (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
Errata / fixed releases
| Product | Package | Advisory | Released |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libreoffice-1:5.3.6.1-24.el7 | RHSA-2020:1151 | 2020-03-31T00:00:00Z |
| Red Hat Enterprise Linux 8 | libreoffice-1:6.0.6.1-20.el8 | RHSA-2020:1598 | 2020-04-28T00:00:00Z |
Package state
| Product | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 6 | libreoffice | Out of support scope |
Apply commands
yum update -y libreoffice
# or:
dnf upgrade -y libreofficeOS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1:6.3.0-1 |
| sid | Fixed | 1:6.3.0-1 |
| forky | Fixed | 1:6.3.0-1 |
| bullseye | Fixed | 1:6.3.0-1 |
| bookworm | Fixed | 1:6.3.0-1 |
Red Hat Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| 8 | Fixed | — |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.