Qt qtbase up to 5.11.x/5.12.4 qtextengine.cpp generateDirectionalRuns memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability has been found in Qt qtbase up to 5.11.x/5.12.4 and classified as problematic. Impacted is the function generateDirectionalRuns of the file qtextengine.cpp. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2019-18281. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in Qt qtbase up to 5.11.x/5.12.4. It has been classified as problematic. This affects the function generateDirectionalRuns of the file qtextengine.cpp. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on availability. The summary by CVE is:

An out-of-bounds memory access in the generateDirectionalRuns() function in qtextengine.cpp in Qt qtbase 5.11.x and 5.12.x before 5.12.5 allows attackers to cause a denial of service by crashing an application via a text file containing many directional characters.

The weakness was published 10/23/2019. This vulnerability is uniquely identified as CVE-2019-18281 since 10/23/2019. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details are known, but no exploit is available.

Upgrading to version 5.12.5 eliminates this vulnerability.

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

Productinfo

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: qtbase 5.12.5

Timelineinfo

10/23/2019 🔍
10/23/2019 +0 days 🔍
10/24/2019 +1 days 🔍
01/27/2024 +1556 days 🔍

Sourcesinfo

Advisory: USN-4275-1
Status: Not defined

CVE: CVE-2019-18281 (🔍)
GCVE (CVE): GCVE-0-2019-18281
GCVE (VulDB): GCVE-100-144105

Entryinfo

Created: 10/24/2019 12:43
Updated: 01/27/2024 08:22
Changes: 10/24/2019 12:43 (38), 10/24/2019 12:48 (17), 01/27/2024 08:22 (5)
Complete: 🔍
Cache ID: 216::103

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

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