LibreOffice poly.cxx tools::Polygon::Insert out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

A vulnerability, which was classified as critical, has been found in LibreOffice (Office Suite Software) (affected version not known). This issue affects the function tools::Polygon::Insert of the file tools/source/generic/poly.cxx. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

LibreOffice before 2017-01-02 has an out-of-bounds write caused by a heap-based buffer overflow related to the tools::Polygon::Insert function in tools/source/generic/poly.cxx.

The bug was discovered 01/02/2017. The weakness was disclosed 04/14/2017 with Google Project Zero (Website). The advisory is shared at securityfocus.com. The identification of this vulnerability is CVE-2017-7870 since 04/14/2017. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 99604 (Debian DLA-910-1 : libreoffice security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196769 (Ubuntu Security Notification for Libreoffice Vulnerabilities (USN-3273-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (99604) and SecurityFocus (BID 97671†). The entries VDB-227214, VDB-229981, VDB-231944 and VDB-247385 are pretty similar.

Productinfo

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License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 99604
Nessus Name: Debian DLA-910-1 : libreoffice security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703837
OpenVAS Name: Debian Security Advisory DSA 3837-1 (libreoffice - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

01/02/2017 🔍
01/02/2017 +0 days 🔍
04/14/2017 +102 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
04/14/2017 +0 days 🔍
04/24/2017 +10 days 🔍
11/29/2022 +2045 days 🔍

Sourcesinfo

Advisory: RHSA-2017:1975⛔
Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-7870 (🔍)
OVAL: 🔍

SecurityFocus: 97671 - LibreOffice CVE-2017-7870 Heap Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7870 - LibreOffice - Buffer Overflow Issue
SecurityTracker: 1039029

See also: 🔍

Entryinfo

Created: 04/14/2017 11:14 AM
Updated: 11/29/2022 12:07 PM
Changes: 04/14/2017 11:14 AM (73), 08/31/2020 09:57 AM (6), 11/29/2022 12:07 PM (6)
Complete: 🔍
Cache ID: 18:9A6:40

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