libav 12.3 libavcodec/apedec.c range_decode_culshift divide by zero
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.9 | $0-$5k | 0.00 |
Summary
A vulnerability was found in libav 12.3. It has been classified as problematic. The impacted element is the function range_decode_culshift of the file libavcodec/apedec.c. The manipulation leads to divide by zero.
This vulnerability is referenced as CVE-2019-14443. Remote exploitation of the attack is possible. No exploit is available.
Details
A vulnerability, which was classified as problematic, has been found in libav 12.3 (Multimedia Player Software). This issue affects the function range_decode_culshift of the file libavcodec/apedec.c. The manipulation with an unknown input leads to a divide by zero vulnerability. Using CWE to declare the problem leads to CWE-369. The product divides a value by zero. Impacted is availability. The summary by CVE is:
An issue was discovered in Libav 12.3. Division by zero in range_decode_culshift in libavcodec/apedec.c allows remote attackers to cause a denial of service (application crash), as demonstrated by avconv.
The weakness was published 07/30/2019 (Website). The advisory is shared at lists.debian.org. The identification of this vulnerability is CVE-2019-14443 since 07/30/2019. 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. 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.
Similar entries are available at VDB-139024 and VDB-139023. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.9VulDB Meta Temp Score: 5.9
VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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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: 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 |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
07/30/2019 🔍07/30/2019 🔍
07/31/2019 🔍
11/14/2023 🔍
Sources
Advisory: DLA 2021-1Status: Not defined
CVE: CVE-2019-14443 (🔍)
GCVE (CVE): GCVE-0-2019-14443
GCVE (VulDB): GCVE-100-139025
See also: 🔍
Entry
Created: 07/31/2019 09:27Updated: 11/14/2023 10:00
Changes: 07/31/2019 09:27 (55), 07/16/2020 09:47 (1), 11/14/2023 10:00 (3)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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