Qt up to 5.11.2 SVG Image qsvghandler.cpp input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.2$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Qt up to 5.11.2. This impacts an unknown function of the file qsvghandler.cpp of the component SVG Image Handler. Performing a manipulation results in input validation. This vulnerability is known as CVE-2018-19869. Remote exploitation of the attack is possible. No exploit is available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Qt up to 5.11.2. It has been classified as critical. This affects some unknown functionality of the file qsvghandler.cpp of the component SVG Image Handler. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in Qt before 5.11.3. A malformed SVG image causes a segmentation fault in qsvghandler.cpp.

The bug was discovered 12/04/2018. The weakness was published 12/26/2018 (Website). The advisory is shared at blog.qt.io. This vulnerability is uniquely identified as CVE-2018-19869 since 12/05/2018. 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 are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 22 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 121444 (Fedora 29 : mingw-python-qt5 / mingw-qt5-qt3d / mingw-qt5-qtactiveqt / etc (2019-3c45bd2cc3)), 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 176899 (Debian Security Update for qt4-x11 (DLA 1786-1)).

Upgrading to version 5.11.3 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (121444). Similar entries are available at VDB-128436, VDB-128446, VDB-128447 and VDB-128448. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.2

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
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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Exploitinginfo

Class: Input validation
CWE: CWE-20
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: 121444
Nessus Name: Fedora 29 : mingw-python-qt5 / mingw-qt5-qt3d / mingw-qt5-qtactiveqt / etc (2019-3c45bd2cc3)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: Qt 5.11.3

Timelineinfo

12/04/2018 🔍
12/05/2018 +1 days 🔍
12/26/2018 +21 days 🔍
12/26/2018 +0 days 🔍
12/27/2018 +1 days 🔍
01/30/2019 +34 days 🔍
01/30/2019 +0 days 🔍
06/22/2023 +1604 days 🔍

Sourcesinfo

Advisory: FEDORA-2019-3c45bd2cc3
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-19869 (🔍)
GCVE (CVE): GCVE-0-2018-19869
GCVE (VulDB): GCVE-100-128445
See also: 🔍

Entryinfo

Created: 12/27/2018 11:07
Updated: 06/22/2023 09:13
Changes: 12/27/2018 11:07 (70), 04/24/2020 14:56 (3), 06/22/2023 09:12 (4), 06/22/2023 09:13 (1)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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