CVE-2021-31322: Buffer Overflow
First published: Tue May 18 2021(Updated: )
Last updated 24 July 2024
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/rlottie | 0.1+dfsg-2 0.1+dfsg-4 0.1+dfsg-4.2 | |
| Allegro | <7.1.0 | |
| Allegro | <7.1.0 | |
| Allegro | <7.1.0 | |
| Telegram | <7.1.0 | |
| Telegram | <7.1.0 | |
| Telegram | <7.1.0 |
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Reference Links
- https://www.shielder.it/advisories/telegram-rlottie-lotgradient-populate-heap-buffer-overflow/
- https://www.shielder.it/blog/2021/02/hunting-for-bugs-in-telegrams-animated-stickers-remote-attack-surface/
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-31322
- https://nvd.nist.gov/vuln/detail/CVE-2021-31322
- https://launchpad.net/bugs/cve/CVE-2021-31322
- https://security-tracker.debian.org/tracker/CVE-2021-31322
- https://ubuntu.com/security/CVE-2021-31322
Frequently Asked Questions
What is the vulnerability ID for this Telegram issue?
The vulnerability ID for this Telegram issue is CVE-2021-31322.
What is the severity of CVE-2021-31322?
The severity of CVE-2021-31322 is medium, with a severity score of 5.5.
Which versions of Telegram are affected by CVE-2021-31322?
Telegram Android versions prior to 7.1.0 (2090), Telegram iOS versions prior to 7.1, and Telegram macOS versions prior to 7.1 are affected by CVE-2021-31322.
What is the vulnerability description of CVE-2021-31322?
CVE-2021-31322 is a Heap Buffer Overflow vulnerability in the LOTGradient::populate function of Telegram's custom fork of the rlottie library, which may allow a remote attacker to access heap memory out-of-bounds on a victim device via a malicious payload.
How can I fix CVE-2021-31322?
To mitigate CVE-2021-31322, it is recommended to update Telegram Android to version 7.1.0 (2090) or later, Telegram iOS to version 7.1 or later, and Telegram macOS to version 7.1 or later.
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