Telegram App up to 7.0 on Android/iOS/macOS rlottie Library LOTGradient::populate integer overflow
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.0 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Telegram App up to 7.0 on Android/iOS/macOS. This impacts the function LOTGradient::populate of the component rlottie Library. Executing a manipulation can lead to integer overflow.
This vulnerability is registered as CVE-2021-31319. It is possible to launch the attack remotely. No exploit is available.
The affected component should be upgraded.
Details
A vulnerability has been found in Telegram App up to 7.0 on Android/iOS/macOS and classified as critical. This vulnerability affects the function LOTGradient::populate of the component rlottie Library. The manipulation with an unknown input leads to a integer overflow vulnerability. The CWE definition for the vulnerability is CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. As an impact it is known to affect confidentiality, integrity, and availability.
The weakness was published 05/19/2021. The advisory is shared for download at shielder.it. This vulnerability was named CVE-2021-31319. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 213716 (Ubuntu 20.04 LTS / 22.04 LTS : rlottie vulnerabilities (USN-7198-1)), which helps to determine the existence of the flaw in a target environment.
Upgrading to version 7.1 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (213716). VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 6.0
VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
Exploiting
Class: Integer overflowCWE: CWE-190 / CWE-189
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 |
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| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 213716
Nessus Name: Ubuntu 20.04 LTS / 22.04 LTS : rlottie vulnerabilities (USN-7198-1)
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: App 7.1
Timeline
04/15/2021 🔍05/19/2021 🔍
05/19/2021 🔍
05/03/2025 🔍
Sources
Advisory: shielder.itStatus: Confirmed
CVE: CVE-2021-31319 (🔍)
GCVE (CVE): GCVE-0-2021-31319
GCVE (VulDB): GCVE-100-175360
scip Labs: https://www.scip.ch/en/?labs.20130704
Entry
Created: 05/19/2021 08:30Updated: 05/03/2025 20:27
Changes: 05/19/2021 08:30 (36), 05/19/2021 08:31 (1), 05/19/2021 08:32 (3), 05/22/2021 14:25 (2), 01/10/2025 21:25 (16), 05/03/2025 20:27 (3)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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