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cveMitreCVE-2021-31319
HistoryMay 18, 2021 - 8:15 p.m.

CVE-2021-31319

2021-05-1820:15:07
CWE-190
mitre
web.nvd.nist.gov
23
cve-2021-31319
telegram
android
ios
macos
integer overflow
rlottie
nvd
security vulnerability

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5

Confidence

High

EPSS

0.002

Percentile

54.1%

Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by an Integer Overflow in the LOTGradient::populate function of their custom fork of the rlottie library. A remote attacker might be able to access heap memory out-of-bounds on a victim device via a malicious animated sticker.

Affected configurations

Nvd
Node
telegramtelegramRange<7.1.0android
OR
telegramtelegramRange<7.1.0iphone_os
OR
telegramtelegramRange<7.1.0macos
VendorProductVersionCPE
telegramtelegram*cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*
telegramtelegram*cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*
telegramtelegram*cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:*

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:N/A:N

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

AI Score

5

Confidence

High

EPSS

0.002

Percentile

54.1%

Related for CVE-2021-31319