Stack Based Overflow in Telegram App on Android, iOS, and macOS
CVE-2021-31315

5.5MEDIUM

Key Information:

Vendor

Telegram

Status
Telegram
Vendor
CVE Published:
18 May 2021

What is CVE-2021-31315?

Telegram apps on Android, iOS, and macOS are susceptible to a stack-based overflow vulnerability in the blit function of the custom rlottie library. This security flaw could allow a remote attacker to manipulate Telegram's stack memory through specially crafted malicious animated stickers, leading to potential unauthorized access or exploitation of sensitive information on the affected devices.

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References

https://www.shielder.it/advisories/telegram-rlottie-blit-...
x_refsource_MISC
https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-...
x_refsource_MISC

CVSS V3.1

Score:
5.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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