Telegram App up to 7.0 on Android/iOS/macOS LOTGradient::populate heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Telegram App up to 7.0 on Android/iOS/macOS. Affected by this issue is the function LOTGradient::populate. This manipulation causes heap-based overflow. This vulnerability appears as CVE-2021-31322. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Telegram App up to 7.0 on Android/iOS/macOS. It has been declared as critical. Affected by this vulnerability is the function LOTGradient::populate. The manipulation with an unknown input leads to a heap-based overflow vulnerability. The CWE definition for the vulnerability is CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was presented 05/19/2021. It is possible to read the advisory at shielder.it. This vulnerability is known as CVE-2021-31322. 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.

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). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / 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: 213716
Nessus Name: Ubuntu 20.04 LTS / 22.04 LTS : rlottie vulnerabilities (USN-7198-1)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: App 7.1

Timelineinfo

04/15/2021 🔍
05/19/2021 +34 days 🔍
05/19/2021 +0 days 🔍
05/03/2025 +1445 days 🔍

Sourcesinfo

Advisory: shielder.it
Status: Confirmed

CVE: CVE-2021-31322 (🔍)
GCVE (CVE): GCVE-0-2021-31322
GCVE (VulDB): GCVE-100-175363
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 05/19/2021 08:33
Updated: 05/03/2025 19:02
Changes: 05/19/2021 08:33 (39), 05/22/2021 14:31 (5), 01/10/2025 21:25 (16), 05/03/2025 19:02 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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