libdoc up to 2019-01-28 ole.c calcFileBlockOffset divide by zero
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in libdoc up to 2019-01-28. It has been classified as problematic. Affected by this vulnerability is the function calcFileBlockOffset of the file ole.c. Performing a manipulation results in divide by zero.
This vulnerability is reported as CVE-2019-7156. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in libdoc up to 2019-01-28. It has been classified as problematic. This affects the function calcFileBlockOffset of the file ole.c. The manipulation with an unknown input leads to a divide by zero vulnerability. CWE is classifying the issue as CWE-369. The product divides a value by zero. This is going to have an impact on availability. The summary by CVE is:
In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero.
The bug was discovered 01/29/2019. The weakness was disclosed 01/29/2019 (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2019-7156 since 01/29/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 106813†). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Divide by zeroCWE: CWE-369 / CWE-404
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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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
01/29/2019 🔍01/29/2019 🔍
01/29/2019 🔍
01/29/2019 🔍
01/29/2019 🔍
01/30/2019 🔍
05/06/2020 🔍
Sources
Advisory: securityfocus.com⛔Status: Not defined
CVE: CVE-2019-7156 (🔍)
GCVE (CVE): GCVE-0-2019-7156
GCVE (VulDB): GCVE-100-130317
SecurityFocus: 106813 - Libdoc 'ole.c' Divide By Zero Denial of Service Vulnerability
Entry
Created: 01/30/2019 07:56Updated: 05/06/2020 16:43
Changes: 01/30/2019 07:56 (57), 05/06/2020 16:43 (3)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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