CVE-2021-31320
Published May 18, 2021
Last updated 3 years ago
Overview
- Description
- Telegram Android <7.1.0 (2090), Telegram iOS <7.1, and Telegram macOS <7.1 are affected by a Heap Buffer Overflow in the VGradientCache::generateGradientColorTable function of their custom fork of the rlottie library. A remote attacker might be able to overwrite heap memory out-of-bounds on a victim device via a malicious animated sticker.
- Source
- cve@mitre.org
- NVD status
- Analyzed
Social media
- Hype score
- Not currently trending
Risk scores
CVSS 3.1
- Type
- Primary
- Base score
- 7.1
- Impact score
- 5.2
- Exploitability score
- 1.8
- Vector string
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- Severity
- HIGH
CVSS 2.0
- Type
- Primary
- Base score
- 5.8
- Impact score
- 4.9
- Exploitability score
- 8.6
- Vector string
- AV:N/AC:M/Au:N/C:N/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-787
Configurations
[
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:android:*:*",
"vulnerable": true,
"matchCriteriaId": "A1029181-1937-4E7D-9DF7-227A60AED350",
"versionEndExcluding": "7.1.0"
},
{
"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:iphone_os:*:*",
"vulnerable": true,
"matchCriteriaId": "94020ED0-432B-4DF0-BE20-0A8054C9814D",
"versionEndExcluding": "7.1.0"
},
{
"criteria": "cpe:2.3:a:telegram:telegram:*:*:*:*:*:macos:*:*",
"vulnerable": true,
"matchCriteriaId": "102C507F-8C62-41E8-BF29-280FE32091AB",
"versionEndExcluding": "7.1.0"
}
],
"operator": "OR"
}
]
}
]