LibreOffice up to 5.1.3 RTF File input validation

CVSS Meta Temp Score
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CTI Interest Score
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7.6$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in LibreOffice up to 5.1.3. Affected by this issue is some unknown functionality of the component RTF File Handler. Such manipulation leads to input validation. This vulnerability is documented as CVE-2016-4324. The attack needs to be performed locally. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in LibreOffice up to 5.1.3 (Office Suite Software) and classified as critical. Affected by this issue is an unknown part of the component RTF File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Use-after-free vulnerability in LibreOffice before 5.1.4 allows remote attackers to execute arbitrary code via a crafted RTF file, related to stylesheet and supercript tokens.

The weakness was released 07/08/2016 by Aleksandar Nikolic with Cisco Talos (Website). The advisory is available at ubuntu.com. This vulnerability is handled as CVE-2016-4324 since 04/27/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability scanner Nessus provides a plugin with the ID 91975 (LibreOffice < 5.1.4 RTF Character Style Index RCE (macOS)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family MacOS X Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 157440 (Oracle Enterprise Linux Security Update for libreoffice (ELSA-2017-0914)).

Upgrading to version 5.1.4 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 (91975) and SecurityFocus (BID 91499†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.6

VulDB Base Score: 7.8
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 91975
Nessus Name: LibreOffice < 5.1.4 RTF Character Style Index RCE (macOS)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 880914
OpenVAS Name: Fedora Update for libreoffice FEDORA-2016-f0552e1341
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: LibreOffice 5.1.4

Timelineinfo

04/27/2016 🔍
06/28/2016 +62 days 🔍
06/28/2016 +0 days 🔍
07/08/2016 +10 days 🔍
07/08/2016 +0 days 🔍
07/08/2016 +0 days 🔍
07/09/2016 +1 days 🔍
09/01/2022 +2245 days 🔍

Sourcesinfo

Advisory: USN-3022-1
Researcher: Aleksandar Nikolic
Organization: Cisco Talos
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4324 (🔍)
GCVE (CVE): GCVE-0-2016-4324
GCVE (VulDB): GCVE-100-88826

OVAL: 🔍

SecurityFocus: 91499 - LibreOffice CVE-2016-4324 Use After Free Remote Code Execution Vulnerability
SecurityTracker: 1036209

Entryinfo

Created: 07/09/2016 11:48
Updated: 09/01/2022 08:15
Changes: 07/09/2016 11:48 (64), 02/20/2019 11:31 (15), 09/01/2022 08:15 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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