GPAC up to 0.7.x libgpac.a BS_ReadByte MP4 File out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.2$0-$5k0.00

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 152178, 152177, 152175 and 152174.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB 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: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: GPAC 0.8.0

Timelineinfo

03/24/2020 🔍
03/24/2020 +0 days 🔍
03/25/2020 +1 days 🔍
03/25/2020 +0 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2019-20630 (🔍)
See also: 🔍

Entryinfo

Created: 03/25/2020 10:34
Updated: 03/25/2020 10:39
Changes: 03/25/2020 10:34 (39), 03/25/2020 10:39 (17)
Complete: 🔍

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