GPAC up to 0.7.x libgpac.a BS_ReadByte MP4 File out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.3 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in GPAC up to 0.7.x. This affects the function BS_ReadByte of the file libgpac.a. Executing a manipulation as part of MP4 File can lead to out-of-bounds.
This vulnerability is handled as CVE-2019-20630. It is possible to launch the attack on the local host. There is not any exploit available.
The affected component should be upgraded.
Details
A vulnerability has been found in GPAC up to 0.7.x and classified as critical. This vulnerability affects the function BS_ReadByte of the file libgpac.a. The manipulation as part of a MP4 File leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
An issue was discovered in libgpac.a in GPAC before 0.8.0, as demonstrated by MP4Box. It contains a heap-based buffer over-read in BS_ReadByte (called from gf_bs_read_bit) in utils/bitstream.c that can cause a denial of service via a crafted MP4 file.
The weakness was released 03/24/2020. This vulnerability was named CVE-2019-20630 since 03/24/2020. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
Upgrading to version 0.8.0 eliminates this vulnerability.
Entries connected to this vulnerability are available at VDB-152178, VDB-152177, VDB-152175 and VDB-152174. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
License
Website
- Product: https://github.com/gpac/gpac/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
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: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
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: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: GPAC 0.8.0
Patch: github.com
Timeline
03/24/2020 🔍03/24/2020 🔍
03/25/2020 🔍
05/11/2025 🔍
Sources
Product: github.comAdvisory: 1ab4860609f2e7a35634930571e7d0531297e090
Status: Confirmed
CVE: CVE-2019-20630 (🔍)
GCVE (CVE): GCVE-0-2019-20630
GCVE (VulDB): GCVE-100-152176
See also: 🔍
Entry
Created: 03/25/2020 10:34Updated: 05/11/2025 02:30
Changes: 03/25/2020 10:34 (39), 03/25/2020 10:39 (17), 05/11/2024 08:40 (20), 05/11/2025 02:30 (7)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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