gnome-font-viewer 3.34.0 TTF File sushi-font-widget.c text_to_glyphs Font File null pointer dereference
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in gnome-font-viewer 3.34.0. It has been rated as problematic. Affected is the function text_to_glyphs of the file sushi-font-widget.c of the component TTF File Handler. Performing a manipulation as part of Font File results in null pointer dereference.
This vulnerability is known as CVE-2019-19308. Attacking locally is a requirement. No exploit is available.
Details
A vulnerability classified as problematic has been found in gnome-font-viewer 3.34.0. This affects the function text_to_glyphs of the file sushi-font-widget.c of the component TTF File Handler. The manipulation as part of a Font File leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. The summary by CVE is:
In text_to_glyphs in sushi-font-widget.c in gnome-font-viewer 3.34.0, there is a NULL pointer dereference while parsing a TTF font file that lacks a name section (due to a g_strconcat call that returns NULL).
The weakness was published 11/27/2019 (Website). It is possible to read the advisory at gitlab.gnome.org. This vulnerability is uniquely identified as CVE-2019-19308 since 11/26/2019. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.4VulDB Meta Temp Score: 4.4
VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Null pointer dereferenceCWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/26/2019 🔍11/27/2019 🔍
11/28/2019 🔍
02/28/2024 🔍
Sources
Advisory: 17Status: Not defined
CVE: CVE-2019-19308 (🔍)
GCVE (CVE): GCVE-0-2019-19308
GCVE (VulDB): GCVE-100-146475
Entry
Created: 11/28/2019 08:17Updated: 02/28/2024 20:22
Changes: 11/28/2019 08:17 (39), 11/28/2019 08:22 (17), 02/28/2024 20:22 (3)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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