VDB-114187 · CVE-2018-7752 · Qualys 176694

GPAC up to 0.7.1 media_tools/av_parsers.c gf_media_avc_read_sps memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.3	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in GPAC up to 0.7.1 and classified as critical. The impacted element is the function gf_media_avc_read_sps of the file media_tools/av_parsers.c. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2018-7752. The attack is restricted to local execution. No exploit exists.

Detailsinfo

A vulnerability has been found in GPAC up to 0.7.1 and classified as critical. Affected by this vulnerability is the function gf_media_avc_read_sps of the file media_tools/av_parsers.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

GPAC through 0.7.1 has a Buffer Overflow in the gf_media_avc_read_sps function in media_tools/av_parsers.c, a different vulnerability than CVE-2018-1000100.

The bug was discovered 02/26/2018. The weakness was disclosed 03/07/2018 (GitHub Repository). It is possible to read the advisory at github.com. This vulnerability is known as CVE-2018-7752 since 03/07/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 9 days. During that time the estimated underground price was around $0-$5k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176694 (Debian Security Update for gpac (DLA 1693-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-130584, VDB-130585, VDB-130586 and VDB-130587 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Multimedia Player Software

Name

GPAC

Version

License

open-source

Website

Product: https://github.com/gpac/gpac/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.9
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
NVD Vector: 🔍

CVSSv2info

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: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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
Today	Unlock	Unlock	Unlock	Unlock

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Patch: github.com

Timelineinfo

02/26/2018 🔍
03/07/2018 +9 days 🔍
03/07/2018 +0 days 🔍
03/07/2018 +0 days 🔍
03/08/2018 +1 days 🔍
02/17/2023 +1807 days 🔍

Sourcesinfo

Product: github.com

Advisory: 90dc7f853d31b0a4e9441cba97feccf36d8b69a4
Status: Not defined

CVE: CVE-2018-7752 (🔍)
GCVE (CVE): GCVE-0-2018-7752
GCVE (VulDB): GCVE-100-114187
See also: 🔍

Entryinfo

Created: 03/08/2018 07:53
Updated: 02/17/2023 10:39
Changes: 03/08/2018 07:53 (59), 01/11/2020 10:57 (1), 02/17/2023 10:34 (5), 02/17/2023 10:39 (1)
Complete: 🔍
Cache ID: 216::103

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