LibreOffice hwpfile.cxx HWPFile::TagsRead out-of-bounds write
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability classified as critical has been found in LibreOffice. Affected by this issue is the function HWPFile::TagsRead of the file hwpfilter/source/hwpfile.cxx. Performing a manipulation results in out-of-bounds write.
This vulnerability was named CVE-2017-7882. The attack may be initiated remotely. There is no available exploit.
It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as critical, was found in LibreOffice (Office Suite Software) (version now known). This affects the function HWPFile::TagsRead of the file hwpfilter/source/hwpfile.cxx. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:
LibreOffice before 2017-03-14 has an out-of-bounds write related to the HWPFile::TagsRead function in hwpfilter/source/hwpfile.cxx.
The bug was discovered 03/14/2017. The weakness was presented 04/15/2017 with Google Project Zero (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2017-7882 since 04/15/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability scanner Nessus provides a plugin with the ID 101517 (openSUSE Security Update : libreoffice (openSUSE-2017-807)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276641 (Fedora Security Update for libreoffice (FEDORA-2017-7a7d2044c9)).
Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (101517) and SecurityFocus (BID 97684†). See VDB-99809, VDB-99843 and VDB-100753 for similar entries. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB 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: 🔍
CVSSv2
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Out-of-bounds writeCWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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Nessus ID: 101517
Nessus Name: openSUSE Security Update : libreoffice (openSUSE-2017-807)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 867773
OpenVAS Name: Fedora Update for libreoffice FEDORA-2017-7a7d2044c9
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Patch: github.com
Timeline
03/14/2017 🔍03/14/2017 🔍
04/15/2017 🔍
04/15/2017 🔍
04/15/2017 🔍
04/15/2017 🔍
04/16/2017 🔍
07/13/2017 🔍
11/29/2022 🔍
Sources
Advisory: 65dcd1d8195069c8c8acb3a188b8e5616c51029c⛔Organization: Google Project Zero
Status: Not defined
Confirmation: 🔍
CVE: CVE-2017-7882 (🔍)
GCVE (CVE): GCVE-0-2017-7882
GCVE (VulDB): GCVE-100-99903
SecurityFocus: 97684 - LibreOffice CVE-2017-7882 Buffer Overflow Vulnerability
OSVDB: - CVE-2017-7882 - LibreOffice - Out-of-Bounds Write Issue
See also: 🔍
Entry
Created: 04/16/2017 10:48Updated: 11/29/2022 14:35
Changes: 04/16/2017 10:48 (74), 08/31/2020 16:02 (6), 11/29/2022 14:35 (5)
Complete: 🔍
Cache ID: 216:21B:103
Be aware that VulDB is the high quality source for vulnerability data.
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