VDB-117361 · CVE-2018-10733 · Nessus 109873

libgxps up to 0.3.0 gxps-fonts.c ft_font_face_hash 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.
6.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as critical has been found in libgxps up to 0.3.0. This affects the function ft_font_face_hash of the file gxps-fonts.c. This manipulation causes memory corruption. This vulnerability is handled as CVE-2018-10733. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in libgxps up to 0.3.0. Affected by this vulnerability is the function ft_font_face_hash of the file gxps-fonts.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:

There is a heap-based buffer over-read in the function ft_font_face_hash of gxps-fonts.c in libgxps through 0.3.0. A crafted input will lead to a remote denial of service attack.

The bug was discovered 05/04/2018. The weakness was released 05/04/2018 (Website). The advisory is shared at bugzilla.redhat.com. This vulnerability is known as CVE-2018-10733 since 05/04/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 109873 (Fedora 27 : libgxps (2018-46f3f13c68)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 256512 (CentOS Security Update for zenity (CESA-2018:3140)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (109873). Entries connected to this vulnerability are available at VDB-117391, VDB-117392, VDB-117571 and VDB-120452. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

libgxps

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 109873
Nessus Name: Fedora 27 : libgxps (2018-46f3f13c68)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 830393
OpenVAS Name: Fedora Update for libgxps FEDORA-2018-46f3f13c68
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Timelineinfo

05/04/2018 🔍
05/04/2018 +0 days 🔍
05/04/2018 +0 days 🔍
05/04/2018 +0 days 🔍
05/05/2018 +1 days 🔍
05/16/2018 +11 days 🔍
05/17/2018 +1 days 🔍
03/08/2023 +1756 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-46f3f13c68
Status: Confirmed

CVE: CVE-2018-10733 (🔍)
GCVE (CVE): GCVE-0-2018-10733
GCVE (VulDB): GCVE-100-117361
See also: 🔍

Entryinfo

Created: 05/05/2018 17:18
Updated: 03/08/2023 16:17
Changes: 05/05/2018 17:18 (71), 02/02/2020 14:07 (3), 03/08/2023 16:09 (4), 03/08/2023 16:17 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.