Document Liberation Project libmwaw lib/MsWrd1Parser.cxx readFootnoteCorrespondance memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.2 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Document Liberation Project libmwaw and classified as critical. This issue affects the function MsWrd1Parser::readFootnoteCorrespondance in the library lib/MsWrd1Parser.cxx. The manipulation results in memory corruption.
This vulnerability is reported as CVE-2017-9433. The attack can be launched remotely. No exploit exists.
It is suggested to upgrade the affected component.
Details
A vulnerability classified as critical has been found in Document Liberation Project libmwaw (Project Management Software) (the affected version is unknown). Affected is the function MsWrd1Parser::readFootnoteCorrespondance in the library lib/MsWrd1Parser.cxx. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
Document Liberation Project libmwaw before 2017-04-08 has an out-of-bounds write caused by a heap-based buffer overflow related to the MsWrd1Parser::readFootnoteCorrespondance function in lib/MsWrd1Parser.cxx.
The bug was discovered 04/06/2017. The weakness was disclosed 06/05/2017 (Website). The advisory is shared for download at bugs.chromium.org. This vulnerability is traded as CVE-2017-9433. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100726 (Debian DSA-3875-1 : libmwaw - security update), which helps to determine the existence of the flaw in a target environment. It is running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 170152 (SUSE Enterprise Linux Security Update for libreoffice (SUSE-SU-2017:1821-1)).
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 vulnerability database at Tenable (100726). The entry VDB-100753 is pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
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
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 100726
Nessus Name: Debian DSA-3875-1 : libmwaw - security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 703875
OpenVAS Name: Debian Security Advisory DSA 3875-1 (libmwaw - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
06/04/2017 🔍04/06/2017 🔍
04/08/2017 🔍
06/04/2017 🔍
06/05/2017 🔍
06/05/2017 🔍
06/12/2017 🔍
10/13/2019 🔍
Sources
Advisory: bugs.chromium.orgStatus: Not defined
CVE: CVE-2017-9433 (🔍)
GCVE (CVE): GCVE-0-2017-9433
GCVE (VulDB): GCVE-100-101952
OVAL: 🔍
See also: 🔍
Entry
Created: 06/05/2017 09:45Updated: 10/13/2019 16:41
Changes: 06/05/2017 09:45 (74), 10/13/2019 16:41 (1)
Complete: 🔍
Cache ID: 216:699:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
No comments yet. Languages: en.
Please log in to comment.