VDB-181272 · CVE-2021-39358 · GCVE-0-2021-39358

GNOME libgfbgraph up to 0.2.4 TLS Certificate Verification gfbgraph-photo.c certificate validation

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.
3.7	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical was found in GNOME libgfbgraph up to 0.2.4. This vulnerability affects unknown code of the file gfbgraph-photo.c of the component TLS Certificate Verification. The manipulation results in certificate validation. This vulnerability is reported as CVE-2021-39358. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in GNOME libgfbgraph up to 0.2.4. Affected is an unknown function of the file gfbgraph-photo.c of the component TLS Certificate Verification. The manipulation with an unknown input leads to a certificate validation vulnerability. CWE is classifying the issue as CWE-295. The product does not validate, or incorrectly validates, a certificate. This is going to have an impact on confidentiality.

The weakness was disclosed 08/23/2021. The advisory is shared for download at blogs.gnome.org. This vulnerability is traded as CVE-2021-39358. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1587.003.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

GNOME

Name

libgfbgraph

Version

License

open-source

Website

Vendor: https://www.gnome.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.7

VulDB Base Score: 3.7
VulDB Temp Score: 3.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/22/2021 🔍
08/23/2021 +1 days 🔍
08/23/2021 +0 days 🔍
08/25/2021 +2 days 🔍

Sourcesinfo

Vendor: gnome.org

Advisory: blogs.gnome.org
Status: Confirmed

CVE: CVE-2021-39358 (🔍)
GCVE (CVE): GCVE-0-2021-39358
GCVE (VulDB): GCVE-100-181272

Entryinfo

Created: 08/23/2021 07:57
Updated: 08/25/2021 18:08
Changes: 08/23/2021 07:57 (37), 08/25/2021 18:08 (2)
Complete: 🔍
Cache ID: 216::103