CVE-2021-40439

Published on: 10/07/2021 12:00:00 AM UTC

Last Modified on: 10/15/2021 01:01:00 PM UTC

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Certain versions of Openoffice from Apache contain the following vulnerability:

Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE-2013-0340 a "Billion Laughs" entity expansion denial of service attack and exploit via crafted XML files. ODF files consist of a set of XML files. All versions of Apache OpenOffice up to 4.1.10 are subject to this issue. expat in version 4.1.11 is patched.

  • CVE-2021-40439 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Apache Software Foundation - Apache OpenOffice version <= 4.1.10
  • Affected Vendor/Software: URL Logo Apache Software Foundation - Apache OpenOffice version <= 3.4

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
NETWORK LOW NONE REQUIRED
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED NONE NONE HIGH

CVSS2 Score: 4.3 - MEDIUM

Access
Vector
Access
Complexity
Authentication
NETWORK MEDIUM NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
NONE NONE PARTIAL

CVE References

Description Tags Link
oss-security - CVE-2021-40439: Apache OpenOffice: Billion Laughs www.openwall.com
text/html
URL Logo MLIST [oss-security] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs
Pony Mail! lists.apache.org
text/html
URL Logo MLIST [announce] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs
Pony Mail! lists.apache.org
text/html
URL Logo MLIST [openoffice-users] 20211007 CVE-2021-40439: Apache OpenOffice: Billion Laughs

Related QID Numbers

  • 375951 Apache OpenOffice Multiple Vulnerabilities

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationApacheOpenofficeAllAllAllAll
  • cpe:2.3:a:apache:openoffice:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-40439 : #Apache OpenOffice has a dependency on expat software. Versions prior to 2.1.0 were subject to CVE… twitter.com/i/web/status/1… 2021-10-07 15:53:23
Twitter Icon @oss_security CVE-2021-40439: Apache OpenOffice: Billion Laughs: Posted by Dave Fisher on Oct 07Severity: medium Description: Apa… twitter.com/i/web/status/1… 2021-10-07 16:00:35
Twitter Icon @LinInfoSec Openoffice - CVE-2021-40439: lists.apache.org/thread.html/rf… 2021-10-07 19:06:24
Twitter Icon @autumn_good_35 CVE-2021-40439 "Billion Laughs" fixed in Expat >=2.4.0 openoffice.org/security/cves/… 2021-10-08 12:32:11
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